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  2. Comparison of online source code playgrounds - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_online...

    SQL Other dbfiddle [am] Free No No No Yes Db2, Firebird, MariaDB, MySQL, Node.js, Oracle, Postgres, SQL Server, SQLite, YugabyteDB ExtendsClass [an] Free Yes No No Yes MySQL, SQLite (SQL.js) PhpFiddle [ao] Free Yes No No Yes MySQL, SQLite runnable [aj] Free Yes Yes Yes No SQL Fiddle [ap] Free No No No Yes

  3. dBase - Wikipedia

    en.wikipedia.org/wiki/DBase

    For example. one can open a table and assign an alias to it in this fashion, "use EMP alias Employee", and henceforth, refer to table variables as "Employee->Name". Another notable feature is the re-use of the same clauses for different commands. For example, the FOR clause limits the scope of a given command.

  4. Oracle Rdb - Wikipedia

    en.wikipedia.org/wiki/Oracle_Rdb

    A variation of example 3 allows "Dynamic SQL" to be created in the source code, and then used to communicate with Rdb via a structure known as SQLDA (SQL Descriptor Area). On OpenVMS systems, Oracle Rdb is a popular (although expensive) upgrade path for applications written using Record Management Services (RMS) files.

  5. Data manipulation language - Wikipedia

    en.wikipedia.org/wiki/Data_manipulation_language

    In SQL, the data manipulation language comprises the SQL-data change statements, [3] which modify stored data but not the schema or database objects. Manipulation of persistent database objects, e.g., tables or stored procedures, via the SQL schema statements, [3] rather than the data stored within them, is considered to be part of a separate data definition language (DDL).

  6. SQL - Wikipedia

    en.wikipedia.org/wiki/SQL

    SQL was initially developed at IBM by Donald D. Chamberlin and Raymond F. Boyce after learning about the relational model from Edgar F. Codd [12] in the early 1970s. [13] This version, initially called SEQUEL (Structured English Query Language), was designed to manipulate and retrieve data stored in IBM's original quasirelational database management system, System R, which a group at IBM San ...

  7. Oracle SQL Developer - Wikipedia

    en.wikipedia.org/wiki/Oracle_SQL_Developer

    SQL Developer Data Modeler operates with and models metadata. [7] Prior to SQL Developer version 3, it constituted a separate (but integrated) free [8] counterpart of SQL Developer. As of SQL Developer version 3 modeling became an integrated part of the overall tool. "Data Modeler" can produce (among other outputs) .dmd files. [9] Data Miner [10]

  8. PL/SQL - Wikipedia

    en.wikipedia.org/wiki/PL/SQL

    The StepSqlite product is a PL/SQL compiler for the popular small database SQLite which supports a subset of PL/SQL syntax. Oracle's Berkeley DB 11g R2 release added support for SQL based on the popular SQLite API by including a version of SQLite in Berkeley DB. [ 18 ]

  9. SQL syntax - Wikipedia

    en.wikipedia.org/wiki/SQL_syntax

    Title Authors ----- ----- SQL Examples and Guide 4 The Joy of SQL 1 An Introduction to SQL 2 Pitfalls of SQL 1 Under the precondition that isbn is the only common column name of the two tables and that a column named title only exists in the Book table, one could re-write the query above in the following form: