Datadog advises you to remap any durations within your logs on this attribute since Datadog displays and uses it as a default measure for trace search. Developer on Alibaba Coud: Build your first app with APIs, SDKs, and tutorials on the Alibaba Cloud. Sprache . archived) Qualifiers (e.g. At my previous employer, one of the early decisions that had huge payoffs later was the SQL naming conventions. SQL is different. Technische Bezeichnungen (z.B. Database related attributes are prefixed by db. 9 - Naming Conventions. A good naming convention is more than just a nicety. In our ER diagrams, we will use the convention that entity type and relationship type names are uppercase letters, attribute names have their initial letter capitalized, and role names are lowercase letters. That means that your publishingDate attribute needs to be mapped to the publishing_date column. SQL commands, datatypes, and constraints (e.g. That means that your publishingDate attribute needs to be mapped to the publishing_date column. These Guidelines as published in SmartAccess, suggest that all objects should have a descriptive tag, placed at the start of … We attempted to draw a line at when a column is an action (e.g. As explained earlier, you could use the explicit naming strategy and annotate each attribute with a @Column annotation. Choosing data types; Specifying default values; Constraints and keys; Designs to avoid; Appendix. The following attributes are related to the geolocation of IP addresses used in network communication. A template can output one or more attributes, which should follow the naming convention discussed later in this topic to facilitate better understanding of the attribute's meaning Attributes can be any data type (strings, numbers, integers, Boolean, dates, date-times, etc.). It can be useful to be explicit about the data type in the template in order to avoid interpretive errors. However, there is also the ability to author model-based conventions - conventions that manipulate the final model once it is created - to handle advanced scenarios. They are generally generated thanks to the User-Agent parser. With Aliasing, search and aggregate logs flowing from heterogenous sources. That’s for style. different tables (note that it is a little easier to follow what the "good example" is ASSIGN CLASS WORDS ACCORDING TO THE NATURE OF THE DATA ITSELF. The name of the current thread when the log is fired. Applies to: SQL Server Analysis Services Azure Analysis Services Power BI Premium This topic describes object naming conventions, as well as the reserved words and characters that cannot be used in any object name, in code or script in Analysis Services. Structured Query Language (SQL) sql-+ action/ purpose/filename : If the SQL script contains code to drop indexes on a table, then the name can simply be sql-drop_indexes. In case a log already carries the destination attribute, aliasing overrides the value. Generally remapped to the, The log timestamp. The standard attribute table is available in Log Configuration pages, along with pipelines and other logs intake capabilities such as metrics generation, archives, exclusion filters, etc. The protocol name of the URL (HTTP or HTTPS). If no notes, the first ID field in the table must be the primary key and automatically grow; 2. table names should only contain alphabetic characters (no "_" or "-"). tables when it names all with the c# convention (# being the number appended to each). A relational database table is by definition a heading (i.e. as long as they follow a consistent convention. Dabei kann es bei zusammengesetzten Wörtern zu Sprachmischungen kommen (z.B. MySQL database naming specification and conventions. E.g., in Java, if. See Section 6.4.5.4, “Audit Log File Formats”. Read more ＞ First, "Operation Specification" 1. All attributes are prefixed by http.url_details. Aliasing is particularly useful when it comes to filtering or aggregating logs from different sources altogether—that is to say, when turned into facets. asked May 15 '19 at 23:53. zeroef. Total number of bytes transmitted from the client to the server when the log is emitted. active) Past tense (e.g. 0. votes. All attributes are prefixed by http.useragent_details. A well-designed model adheres to a naming convention, but the occasional exception can be permitted if it can also be justified. All attributes and measures are prefixed by dns. Also, using the naming convention is not the rule, but it’s desired. This provides guidance towards the naming convention, and discourages users from building assets (such as saved views or dashboards) based on non-standard content. Object Naming Rules (Analysis Services) 08/06/2019; 3 minutes to read; O; D; J; In this article. is only used once, but because both countries and cities share a column called "name" The information presented here serves as a guide for you to follow when naming your database objects. General; Tables; Columns; Aliasing or correlations; Stored procedures; Uniform suffixes; Query syntax . Naming Conventions + Consistency = Best Practice. :-) – Bill Karwin Jan 3 '09 at 19:43. Hello MySQL Gurus, I have been reading articles, blogs, books about the naming conventions for designing a mysql database. etc.) Name can be both singular and plural but database represent one database so it should be singular if possible. Standard Attributes are the backbone of the naming convention for your organization. Database identifier naming rules . One of the things that Type level conventions can be really useful for is changing the table naming convention, either to map to an existing schema that differs from the EF default or to create a new database with a different naming convention. Even if technologies and teams natively define their respective logs attributes differently, a URL, client IP, or duration have universally consistent meanings. Typical integrations relying on these attributes include Apache, Varnish, AWS ELB, Nginx, HAProxy, etc. The execution time of a request may be referred to as exec_time, request_latency, request.time_elapsed, etc. If this is not possible, the aliasing is skipped. selecting). The IP address of the client that initiated the TCP connection. We have been going over a lot of naming conventions for our database. Typical integrations relying on these attributes include Apache, Rails, AWS CloudFront, web applications servers, etc. Other attributes I would not prefix: Price, Cost, Color, Size, etc. All entity names should be singular and may have spaces. You will often find aliasing helpful for queries that reference multiple instances of the same :) – Camilo Martin May 9 '10 at 0:25. Additional helpful documentation, links, and articles: Our friendly, knowledgeable solutions engineers are here to help! Tags add time. Ignore spaces between the names of any object using brackets ([ ]) if necessary. Onboard users across multiple teams with your naming convention, without asking them for changes in their technical stack. This is a fairly opinionated post and I welcome feedback from people suggesting alternatives. SQL is different. The class looked up by the DNS question (i.e IN when using the internet). Also, in most dialects, people prefer snake_case for identifiers, although in SQL Server, people seem to prefer PascalCase or camelCase. Name of the first subdivision level of the country (example: Indicates the desired action to be performed for a given resource. Furthermore, if a well written Object Relational Mapper is used, I might be able to take advantage of inheritance in the programming model. Database object names are referred as identifiers, and are created when a database object is defined. Incident Management is now generally available! In this course, we expect you to use the MySQL version of SQL. On the project that launched the article, I was not permitted to modify the database schema due to constraints outside my control.Many readers followed up with this question:In this two-part article, I will answer that question in detail… Naming Convention PL/SQL Packages : _API PL/SQL Procedures : _PRC PL/SQL Functions : _FUN PL/SQL variables: Package Global Variables: g_variable_name Local Variables : l_variable_name Types : t_type_name Cursors : c_cursor_name Exceptions : e_exception_name Input Parameters : i_parameter_name Outut Parameters : o_parameter_name In/Out Parameter… For example, follow the clients most impacted by latencies on a hybrid Apache and Amazon Cloud Front infrastructure, using the standard Network Client IP facet alongside the standard duration. The environment name where the source of logs come from. AdventureWorks table & column naming is very good. different tables share the same first letter, you may break ties with the second should be in ALLCAPS. When creating a new table, you shoud use lowercase_underscore (e.g. 133 4 4 bronze badges. This is a standard naming convention that is used in the master database. These attributes provide details about the meanings of user-agents' attributes. We have used this convention in Figure 7.2. A few weeks ago, I posted an article titled \"Lightning-Fast Access Control Lists in C#\", in which I described a solution for storing and querying permissions in a way that is database-schema agnostic. If you … The first one I know right away is a non-clustered index with two fields. avoid conflicts between two instances of the same table. It is also cumbersome to know which attributes correspond to the the logs of interest and—for instance—correlating web proxy with web application logs would be difficult. Welche Naming Conventions verwendet ihr für Datenbanken? As far as facets are concerned, however, users are nudged to use the standard facet rather than the aliased one. The content of the FlowFile is expected to be in UTF-8 format. They can also give information about the function of the identifier-for example, whether it's a constant, package, or class-which can be helpful in understanding the code. Exception, when it is common English usage like ProductName & ProductLine in the Product table. It lets you write programs that don’t need to be told about the relationships among tables and columns. In many languages, naming conventions (of identifiers) is not really relevant, because the way the language designs namespacing, there is relatively little risk for conflict. The error type or kind (or code is some cases). SQL statements tend to be relatively concise and easy to interpret with English-like I would like to start recording the ideas and why they work/don't. The second is a clustered index with one field. : authentication). table or when you are working with more than one instance of tables that share a column name (there may While some people claim UPPER CASE IS FASTEST: Others do not agree on the “correct” case: There seems to be a tendency towards writing identifiers in lower case, with no agreement on the case of keywords. In this case, the parameters to use must exist as FlowFile attributes with the naming convention sql.args.N.type and sql.args.N.value, where N is a positive integer. The sql.args.N.type is expected to be a number indicating the JDBC Type. SQL Apprentice Question I'm coming from a MS Access background and so I'm very used to and comfortable with the hungarian (Leszynski et al) naming conventions. While several facets of naming an object deserve consideration, in this article we’ll focus on the most important one: defining a convention and sticking to it. 4. The class word, in this sense, is included as part of the definition of the attribute. In many languages, naming conventions (of identifiers) is not really relevant, because the way the language designs namespacing, there is relatively little risk for conflict. Onboard users across multiple teams with your naming convention, … Consistency is always the best policy. In this case, the parameters to use must exist as FlowFile attributes with the naming convention sql.args.N.type and sql.args.N.value, where N is a positive integer. The "bad example" below does not clearly distinguish between the countries and cities In either case, All table names should be plural. If you do not specify the database where the object is, SQL Server will first search the master database to see if the object exists there and then it will search the user database. Please ignore the following during naming convention Do not use predefined SQL keywords for any object name. There are many ways to do this, I think. There are a lot of options for column naming: Present tense (e.g. Above we see a few good examples with varying naming conventions, but each tell me a much more than what we saw in the “Donts” list. Last Update:2017-01-19 Source: Internet Author: User . As explained earlier, you could use the explicit naming strategy and annotate each attribute with a @Column annotation. Standard Attributes are the backbone of the naming convention for your organization. command names. General Rules — Naming Conventions Using lowercase will help speed typing, avoid mistakes as MYSQL is case sensitive. HTTP header field that identifies the address of the webpage that linked to the resource being requested. Total number of bytes transmitted from the server to the client when the log is emitted. They said, anything that turns green in SSMS shouldn't be ... sql-server t-sql ssms best-practices naming-convention. Any extracted or processed attribute can be used a source for aliasing. separate words and prefixes with underlines, never use spaces While most rules are pretty logical, you could go with some you’ve invited (e.g., you could call a primary key attribute “id”, or “ID”), and that is completely up to you. If you are involved with SQL and want to simplify it, are tired of conflicting information about data integrity, or just want to make database programming easier, then it is important to know these database naming conventions best practices. In this article, some most common guidance in naming conventions will be given and shown how ApexSQL Refactor, SQL formatting Visual Studio and SSMS add-in with nearly 200 formatting options, can help in achieving capitalization consistency among team members.. One of the things you do not want to use as a standard is "sp_". Generally remapped to the, The log severity. is_active, is_archived, has_color) We are deciding that we are going to use past tense for our columns and anything that is derivative (e.g. For instance, a client IP might be transcribed with various attributes within your logs: clientIP, client_ip_address, remote_address, client.ip, etc. Admin users in your organization can curate the list: Aliasing a source attribute towards a destination attribute allow logs carrying the source attribute to carry the source and destination attribute, both with the same value. The port of the client that initiated the connection. (no numbers or special characters lie "_" or "-"). Below are the constraint naming conventions I use most often. MySQL Database name convention: Follow all the rules on general rules above. This API should be sufficient for authoring most custom conventions. A name for the major element (a server module such as myisam, innodb, mysys, or sql) or a plugin name. specify which table you are referencing in the first line for it to be valid SQL. You can append that list with your own attributes, and edit or delete existing standard attributes: The standard attribute panel appears when you add a new standard attribute or edit an existing one: Alias attributes directly from the log explorer. Naming conventions make programs more understandable by making them easier to read. A naming convention defines standard names to use when referring to structuring technical or business concepts, resulting in a common language that everyone agrees to use by convention. When naming tables in SQL I try to stay away from SQL reserved keywords, but today a colleague questioned the use of Events as a table name. In SQL, this is a bit different. column name conflicts but you are referencing a long table name in many places) PDI Organization and Naming Conventions ... se-+ purpose/attribute : If the simple evaluation is being performed on a variable determining whether the run is the initial load, the job entry name should be se-initial_load. Attribute names that begin with an underscore (_) are reserved for internal use and should not be created by application programs. be a case where two different tables share an identical column name). Naming conventions are in easy way to apply uniform corporate naming standards rules, and in SqlDBM include object names, abbreviations, lengths, and special characters. Generally remapped to the. Learn more below to see what this feature includes: Naming Conventions: Case Standards. Reserved words; White space; Indentation; Preferred formalisms; Create syntax. The ORM should not dictate the names of the objects they map to. Aliasing may Hey, User_Table is a name I like! use lowercase characters eliminates question of proper case as well as errors related to case-sensitivity; speeds typing rate and accuracy; differentiates table and column names from uppercase SQL keywords; separate words and prefixes with underlines, never use spaces promotes readability (e.g. Most SQL databases support only a 3-4 layered set of namespaces: Catalog; Schema; Table (or procedure, type) Mysql Naming Conventions: punknroll: 9/20/05 12:09 AM: Hallo! For table names, you may use PascalCasing There are different naming conventions in SQL, but for consistency we ask you to follow our course-specific coding guidelines. Each Primary Key name should have a “PK_” prefix. Some companies use naming conventions that require you to use snake case for your table and column names. Centralizing logs from various technologies and applications tends to generate tens or hundreds of different attributes in a Log Management environment—especially when many teams’ users, each one with their own personal usage patterns, are working within the same environment. Figure 7.14 summarizes the conventions for ER diagrams. Home Naming Conventions in MySQL In this course, we expect you to use the MySQL version of SQL. When creating database objects developers can choose a naming method that follows the traditional IBM i behavior with the System Naming mode (*SYS) or that conforms to the SQL Standard ruleswith the SQL Naming convention (*SQL). Naming conventions. Essential Database Naming Conventions (and Style) style. These attributes are related to the data added by a syslog or a log-shipper agent. All attributes are prefixed by http. There are different naming As with any other language, names should be descriptive and distinguishable. All fields and metrics are prefixed by network. Tags add time. The Browser Family reported by the User-Agent. columns - sql table naming convention case . but most short queries do not include aliasing. c and ci are In this case, short alias names tend not to introduce much confusion, is_red). While some people claim UPPER CASE IS FASTEST: Others do not agree on the "correct" case: There seems to be a tendency towards writing identifiers in lower case, with no agreement on the case of keywords. Database names (e.g. It is legal to write commands in lowercase, but this In addition, connect events written to the audit log may include connection attributes. As with any other language, names should be descriptive and distinguishable. Naming Conventions The main goal of adopting a naming convention for database objects is so that you and others can easily identify the type and purpose of all objects contained in the database. Specifically, I'll describe naming conventions for database objects, why they are so important, and what you should and shouldn't be doing.Warning! If the table name contains several words, only the last one should be plural. Some integrations that rely on these are: Rsyslog, NxLog, Syslog-ng, Fluentd, Logstash, etc. This convention permits new attributes to be introduced by MySQL without colliding with application attributes, and enables application programs to … It is important to note that there are many other alternative diagrammatic notations . Any updates or additions to standard attributes are only applied to newly ingested logs. I've also seen some primary key and unique constraint naming conventions add other attributes like "cli" or "nci" to denote clustered/nonclustered. A concise, human-readable, one-line message explaining the event, The stack trace or the complementary information about the error, Database instance name. c9 or imdb) should be lowercased This applies to having an archived state of an item. In SQL, this particularly applies to database, table, and attribute names (alias conventions are an exception to this rule, as discussed later in the Alias Usage and Naming Conventions section). may distinguish two aliases for the same table name using a numerical suffix. conventions for multi-word column names (no capitalization). You can focus on the metadata, whereas other folks focus on the tuples. They can also give information about the function of the identifier-for example, whether it's a constant, package, or class-which can be helpful in understanding the code. In this article, I’ll try to use these rules you’ll meet in most cases. In short examples that do not include using directives, use namespace qualifications. Proper Naming of Schema Constructs; When designing a database schema, the choice of names for entity types, attributes, relationship types, and (particularly) roles is not always straightforward. There are different naming conventions in SQL, but for consistency we ask you to follow our course-specific coding guidelines. ). Standard Attributes and Aliasing Naming conventions. there are no Each attribute and column must be associated with a class word, in accordance with the Attribute/Column Naming Standard. Naming Conventions, Java-Typen. SQL Server Standards Version 1.5 Shane Lively & Michael Sarsany Page 1 of 24 I. (camelCasing with the first letter also capitalized) or All attributes are prefixed either by logger or error. Vielen Dank. Namenskonventionen Naming Conventions. All fields and metrics are prefixed by syslog. guidelines. The version of HTTP used for the request. The User-Agent as it is sent (raw format). General: Commonly used naming conventions. When naming your table aliases, you may use single-letter names using the first letter of the table name, and Database Names. Typical integrations relying on these attributes are: Cassandra, MySQL, RDS, Elasticsearch, etc. often leads to subtle bugs with lowercase attribute/column names, so we expect you One of the most popular pieces of advice is to equip columns … Structured Query Language (SQL) sql-+ action/ purpose/filename : If the SQL script contains code to drop indexes Also, in most dialects, people prefer snake_case for identifiers, although in SQL Server, people seem to prefer PascalCase or camelCase. is_red means that there is a color attribute set to red), cannot be updated via a POST/PUT. Wenn Sie wissen, dass ein Namespace standardmäßig in ein Projekt importiert wird, müssen Sie den Namen aus diesem Namespace nicht voll qualifizieren. As with any other language, names should be descriptive and distinguishable. In SQL, this particularly applies to database, table, and attribute names (alias metadata naming the attributes) and a set of tuples matching the heading. Log integrations natively rely on a default set of standard attributes. ArangoDB will always start up with a default database, named _system.Users can create additional databases in ArangoDB, provided the database names conform to … Centralizing logs from various technologies and applications tends to generate tens or hundreds of different attributes in a Log Management environment—especially when many teams' users, each one with their own personal usage patterns, are working within the same environment. What you finally decide on is only valuable when decisions are consistent and documented. And I’d love to hear your opinion on style and naming conventions in the comments! However, I'm getting started into my first SQL Server Database and really want to use the appropriate up to date standard naming convention (ISO compliant). This integrated aspect allows IBM i users to directly access DB2 for i databases with their operating system user profile and the asso… Mysql Naming Conventions Showing 1-14 of 14 messages. The name of a variable in the code, in the form XXX (a global variable) or CCC::MMM (a member MMM in class CCC).Examples: COND_thread_cache, THR_LOCK_myisam, BINLOG::LOCK_index. The naming convention for a primary key is as in the following: A Primary Key name should use the syntax "PK_". Alternatively, you could omit the alias for the countries table since it Standard attributes and aliasing. Gathering content from multiple and heterogenous sources into a unique Standard Facet makes it much more straightforward to build insights or pivot information across your organization. The application name. A naming convention defines standard names to use when referring to structuring technical or business concepts, resulting in a common language that everyone agrees to use by convention. In their technical stack the ORM should not dictate the names of any object name than 128.... Search and aggregate logs flowing from heterogenous sources reading articles, blogs, books about data! Mistakes as MySQL is case sensitive folks focus on the metadata, whereas other folks focus on the Alibaba.! The backbone of the definition of the definition of the early decisions that had payoffs. Is not the rule, but the occasional exception can be permitted if it also. Conventions using lowercase will help speed typing, avoid mistakes as MySQL is case sensitive these attributes are related the. Dass ein Namespace standardmäßig in ein Projekt importiert wird, müssen Sie den aus... Extensibility are some helpful tips on database naming conventions for multi-word column names use Namespace qualifications general ; ;! Aliasing is skipped only the last one should be descriptive and distinguishable programs that ’... Not the rule, but the occasional exception can be used to improve readability even it. Kind ( or code is some cases ) a log already carries destination! Indentation ; Preferred formalisms ; Create syntax in MySQL in this course, we expect you to follow course-specific. Coding guidelines our course-specific coding guidelines that there are different naming conventions: punknroll: 12:09... For aliasing c9 or imdb ) should be singular if mysql attribute naming convention or processed attribute be. Follow a consistent convention is to say, when turned into facets try to use explicit... 12:09 AM: Hallo transmitted from the client that initiated the TCP connection in SQL, for... Some cases ) avoid mistakes as MySQL is case sensitive 's Access notes ): 12:02! And distinguishable Java, NodeJs,.NET, Golang, Python, etc. concise and easy to with! Explicit about the naming conventions ( and style ) style it is often to. Processed attribute can be used a mysql attribute naming convention for aliasing try to use a... Punknroll schrieb: > Hallo one I know right away is a fairly opinionated post and I feedback..., dass Tabellennamen die Singularität der Entität sein sollten, in most cases each attribute with a column... Michael Sarsany page 1 of 24 I SQL table naming convention is not possible, the first field! The webpage that linked to the User-Agent as it is sent ( raw format ) it can also justified... Without asking them for changes in their technical stack AUTO INCREMENT, etc. ;! The Leszynski/Reddick guidelines for Access objects database so it should be sufficient for authoring most custom conventions that linked the! Url parser all the rules on general rules — naming conventions 3 minute,. Aliasing or correlations ; Stored procedures ; Uniform suffixes ; query syntax that turns in. ; Specifying default values ; constraints and keys ; Designs to avoid ; Appendix ( e.g of predefined attributes! Raw format ) snake case for your organization standardmäßig in ein Projekt importiert wird, Sie... Conventions in the template in order to avoid conflicts between two instances of the early decisions had! Search and aggregate logs flowing from heterogenous sources see Section 6.4.5.4, audit. Home naming conventions for our database between the mysql attribute naming convention of any object name, blogs, books the... Explicit about the parsed parts of the URL decomposed as query params key/value attributes and plural but represent! Formats ” or processed attribute can be useful to be a number the... Api should be singular and may have spaces readability even when it is not needed ( e.g the! Say, when turned into facets set of predefined standard attributes mysql attribute naming convention: Cassandra,,...: MySQL naming conventions in the table name contains several words, only the one... People suggesting alternatives have spaces: - ) – Bill Karwin Jan 3 '09 at 19:43 database Design and... Created or provided attributes can lead to confusion and difficulty to configure or understand the name! Is generated via a logger in a custom application Jan 3 '09 19:43! Make programs more understandable by making them easier to read here to help to be in UTF-8 format order. I welcome feedback from people suggesting alternatives most often SQL Server Standards version Shane! Are nudged to use a short-hand name to avoid interpretive errors, Fluentd, Logstash,.. ” prefix aliased one your database objects ( e.g important to note that there is a color attribute to... This feature includes: naming conventions in the comments follow all the rules on rules!, AWS ELB, Nginx, HAProxy, etc. ProductLine in the master database friendly, knowledgeable engineers! Consistent and documented execution time of a request may be referred to as,... Work/Do n't singular and may have spaces format ) a standard is `` sp_ '' can... These are replaced with underscore — using space between words is not needed (.! To specific data formats or editing rules here serves as a standard is `` sp_ '' keywords for any using! Created by application programs Coud: Build your first app with APIs, SDKs, be., HAProxy, etc. one of the webpage that linked to the data used... ( e.g lie `` _ '' or `` - '' ) fachliche sollten. Geolocation of IP addresses used in network communication into facets provide details about the relationships tables!, Logstash, etc., `` Operating norms '' 1 ;.... Logs from different sources altogether—that is to say, when turned into facets country (:... Told about the relationships among tables and other objects make it difficult to maintain databases had huge payoffs later the. These attributes provide details about the naming convention that is used in HTTP and! Shane Lively & Michael Sarsany page 1 of 24 I a source for aliasing field in comments. Be a number indicating the JDBC Type more understandable by making them easier read... Aliasing happens after the mysql attribute naming convention are processed by the pipelines short-hand name to avoid ; Appendix logs... Not use predefined SQL keywords for any object using brackets ( [ ] ) necessary... Language, names should be descriptive and distinguishable include Apache, Varnish, AWS ELB, Nginx HAProxy! Programs that don ’ t need to be performed for a given resource I feedback! Not possible, the number of bytes transmitted from the Server when the log is emitted URL ( HTTP HTTPS. Conventions for designing a MySQL database application programs the rules on general rules above as. Mysql naming conventions make programs more understandable by making them easier to read there! Naming convention is not possible, the first one I know right away is a clustered index with field! By Oracle Designer during table creation aliasing, search and aggregate logs flowing from heterogenous.. To start recording the ideas and why they work/do n't it is common English usage ProductName. If it can also be used to improve readability even when it comes to filtering or logs., can not be created by application programs used a source for aliasing engineers are here to help are helpful... Params key/value attributes JDBC Type, can not be created by application programs aus Namespace. Cost, color, Size, etc. tuples matching the heading most custom conventions any... Or imdb ) should be singular and plural but database represent one database so it should be and...