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| {{Short description|Computer programming method}} | | {{Kept on Wikipedia}} |
| {{Draft topics|software|computing|technology}}
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| {{AfC topic|stem}}
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| {{AfC submission|||ts=20230607143145|u=Fjerdingen|ns=118}}
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| {{AFC comment|1=In-depth coverage in independent secondary sources are required. [[User:Stuartyeates|Stuartyeates]] ([[User talk:Stuartyeates|talk]]) 19:21, 10 May 2023 (UTC)}}
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| ----
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| '''Module SQL''' is a method of combining the [[computing]] power of a [[programming language]] and the [[database]] [[Data Manipulation Language|manipulation]] capabilities of [[SQL]]. Module SQL [[statement (programming)|statements]] are SQL statements written in an SQL client module, that can be called as routines from the host language program [[source code]] like a host language routine. An SQL standard Module Language file is [[compiler|compiled]] into calls to a SQL runtime library that interacts with the [[DBMS|Database management system]]. This allows programmers to call SQL statements from applications written in regular programming languages.
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| Using Module Language is very straightforward: place all SQL code in a separate module, and define an interface between the module containing the SQL code and the host program.<ref name="modulelang">
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| {{cite web
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| |url=http://download.oracle.com/docs/cd/B10501_01/appdev.920/a58231/ch1.htm#2889
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| |title=The Module Language Concept
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| |work=SQL*Module for Ada Programmer's Guide, Release 8.0, Chapter 1. Introduction to SQL*Module
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| |publisher=[[Oracle Corporation]]
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| |accessdate=2023-03-30}}</ref>
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| Module SQL is closely related to [[Embedded SQL]]. "SQL client modules are self-contained collections of SQL statements. Unlike embedded SQL, in which the SQL statements are inserted into the host programming language, SQL client modules are separate from the host language. The host language contains calls that invoke the module, which in turn executes the SQL statements within that module."<ref>{{cite book |last1=Oppel |first1=Andrew |title=SQL: A Beginner's Guide, Fourth Edition, 4th Edition |date=November 2015 |publisher=McGraw-Hill |isbn=978-0071842594 |pages=544 |edition=4th |url=https://learning.oreilly.com/library/view/sql-a-beginners/9780071842570/ch18.html#:-:text=Create%20SQL%20Client%20Modules}}</ref>
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| ===SQL Standard Compliance===
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| The [[SQL:2023]] standard (ISO/IEC 9075-2:2023 Information technology — Database languages SQL — Part 2: Foundation (SQL/Foundation), chapter 13<ref>{{cite web
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| |url=https://www.iso.org/standard/76584.html
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| |title=SQL Standard 2023, Chapter 13 SQL-client modules
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| |work=ISO/IEC 9075-2:2023 Information technology — Database languages — SQL — Part 2: Foundation (SQL/Foundation)
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| |publisher=[[ISO]]
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| |accessdate=2023-06-05
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| }}</ref>) defines an SQL module as an ''SQL client module'', and the language in which SQL queries are called is referred to as the ''host language''. Specified host languages are:
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| * [[Ada_(programming_language)|Ada]] - Feature B111, “Module language Ada”
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| * [[C_(programming_language)|C]] - Feature B112, “Module language C”
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| * [[COBOL]] - Feature B113, “Module language COBOL”
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| * [[Fortran]] - Feature B114, “Module language Fortran”
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| * [[MUMPS]] - Feature B115, “Module language MUMPS”
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| * [[Pascal_(programming_language)|Pascal]] - Feature B116, “Module language Pascal”
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| * [[PL/I]] - Feature B117, “Module language PL/I”
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| (All the languages listed above are optional features, which means that each vendor can decide which language(s) to support.)
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| == Database systems that support module SQL ==
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| === [[Mimer SQL]] ===
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| Mimer SQL 11.0 and later for [[Linux]], [[macOS]], [[OpenVMS]] and [[Windows]] support module SQL for C/C++, and Mimer SQL for [[OpenVMS]] also supports module SQL for COBOL, Fortran and Pascal.<ref>{{cite web
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| |url=https://docs.mimer.com/MimerSqlManual/latest/Manuals/Module_SQL/Module_SQL.htm
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| |title=Module SQL|publisher=[[Mimer SQL]]
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| |work=Mimer SQL Programmer's Manual latest version, Module SQL}}</ref>
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| === [[Oracle Database]] ===
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| Oracle 8.0 supported SQL*Module for Ada but support has been removed in later versions.<ref>{{cite web
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| |url=https://docs.oracle.com/cd/A87860_01/doc/appdev.817/a58231.pdf
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| |title=SQL*Module™ for Ada - Programmer's Guide
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| |work=SQL*Module™ for Ada - Programmer's Guide
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| |publisher=Oracle Corporation
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| |accessdate=2023-06-19
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| }}</ref> SQL*Module is a module language that supports the Ada83 language standard for Ada.<ref>{{cite web
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| |url=http://download.oracle.com/docs/cd/B10501_01/server.920/a96530/migcompa.htm#1010868
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| |title=Ada Support in Version 8
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| |work=Oracle9i Database Migration, Release 2 (9.2), Chapter 5. Compatibility and Interoperability
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| |publisher=Oracle Corporation
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| |accessdate=2023-03-30
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| }}</ref>
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| === [[Oracle_Rdb|Oracle Rdb]] ===
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| Supported host languages are Ada, [[BASIC]], C, COBOL, Fortran, Pascal and PL/I.<ref>{{cite web
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| |url=https://download.oracle.com/otn_hosted_doc/rdb/pdf/gsp.pdf
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| |title=Oracle Rdb7™, Guide to SQL Programming
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| |publisher=Oracle Corporation
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| |accessdate=2023-06-05
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| }}</ref>
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| == References ==
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| <references/>
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| == External links ==
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| * [https://docs.oracle.com/cd/B10501_01/appdev.920/a58231/ch2.htm SQL*Module for Ada Programmer's Guide, Release 8.0]
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| * [https://developer.mimer.com/article/module-sql/ Module SQL, Mimer SQL Developer]
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| [[Category:SQL]]
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| [[Category:Declarative programming languages]]
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| [[Category:Query languages]]
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| [[Category:Data modeling languages]]
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| [[Category:Database APIs]]
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| [[Category:SQL data access]]
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| {{⚠️🚨COPIED from EverybodyWiki ❗❕⚠️😡😤Please respect Licence CC-BY-SA ❗}}
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| {{Source Wikipedia}}
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