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  2. Comparison of programming languages (syntax) - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_programming...

    The next complete syntactic component (s-expression) can be commented out with #;. ABAP If the first character of a line, including indentation, is an asterisk ( * ) the whole line is considered as a comment, while a single double quote ( " ) begins an in-line comment which acts until the end of the line.

  3. Comparison of relational database management systems - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_relational...

    Note (3): "For other than InnoDB storage engines, MySQL Server parses and ignores the FOREIGN KEY and REFERENCES syntax in CREATE TABLE statements. The CHECK clause is parsed but ignored by all storage engines." [73] Note (4): Support for Unicode is new in version 10.0. Note (5): MySQL provides GUI interface through MySQL Workbench.

  4. JavaScript syntax - Wikipedia

    en.wikipedia.org/wiki/JavaScript_syntax

    var x1 = 0; // A global variable, because it is not in any function let x2 = 0; // Also global, this time because it is not in any block function f {var z = 'foxes', r = 'birds'; // 2 local variables m = 'fish'; // global, because it wasn't declared anywhere before function child {var r = 'monkeys'; // This variable is local and does not affect the "birds" r of the parent function. z ...

  5. Comparison of data modeling tools - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_data...

    Software Ideas Modeler: Dusan Rodina Enterprises, SMBs, personal Proprietary: MS SQL Server, MySQL: Windows Standalone 2009 SQLyog: Webyog, Inc. Enterprises, SMBs, personal Proprietary: MySQL, MariaDB: Windows and Linux (using Wine) Standalone 2001 Toad Data Modeler: Quest Software: SMBs and enterprises Proprietary

  6. Database engine - Wikipedia

    en.wikipedia.org/wiki/Database_engine

    A database engine (or storage engine) is the underlying software component that a database management system (DBMS) uses to create, read, update and delete (CRUD) data from a database. Most database management systems include their own application programming interface (API) that allows the user to interact with their underlying engine without ...

  7. Backus–Naur form - Wikipedia

    en.wikipedia.org/wiki/Backus–Naur_form

    In computer science, Backus–Naur form (BNF; / ˌ b æ k ə s ˈ n aʊər /; Backus normal form) is a notation used to describe the syntax of programming languages or other formal languages.

  8. Comparison of regular expression engines - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_regular...

    The primary regex crate does not allow look-around expressions. There is an Oniguruma binding called onig that does. SAP ABAP: SAP.com: Proprietary: Tcl: tcl.tk: Tcl/Tk License (BSD-style) Tcl library doubles as a regular expression library. Wolfram Language: Wolfram Research: Proprietary: usable for free on a limited scale on the Wolfram ...

  9. Jakarta Expression Language - Wikipedia

    en.wikipedia.org/wiki/Jakarta_Expression_Language

    Method expressions, which can invoke methods; The new expression language worked well for the purposes of JSF. But developers had problems when integrating the JSP EL with the JSF EL because of conflicts. Because of these incompatibilities, the unified expression language initiative was started to unify these expression languages.