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2. 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 ...

3. Having (SQL) - Wikipedia

   en.wikipedia.org/wiki/Having_(SQL)

   HAVING and WHERE are often confused by beginners, but they serve different purposes. WHERE is taken into account at an earlier stage of a query execution, filtering the rows read from the tables. If a query contains GROUP BY, rows from the tables are grouped and aggregated.

4. SQL syntax - Wikipedia

   en.wikipedia.org/wiki/SQL_syntax

   The syntax of the SQL programming language is defined and maintained by ISO/IEC SC 32 as part of ISO/IEC 9075.This standard is not freely available. Despite the existence of the standard, SQL code is not completely portable among different database systems without adjustments.

5. Category:Articles with example SQL code - Wikipedia

   en.wikipedia.org/wiki/Category:Articles_with...

   Category: Articles with example SQL code. 2 languages. ... Relation (database) S. Select (SQL) Set operations (SQL) Snowflake schema; SQL; SQL injection; SQL syntax; U.

6. Query by Example - Wikipedia

   en.wikipedia.org/wiki/Query_by_Example

   Query by Example (QBE) is a database query language for relational databases. It was devised by Moshé M. Zloof at IBM Research during the mid-1970s, in parallel to the development of SQL . [ 1 ] It is the first graphical query language, using visual tables where the user would enter commands, example elements and conditions.

7. Select (SQL) - Wikipedia

   en.wikipedia.org/wiki/Select_(SQL)

   A SELECT statement retrieves zero or more rows from one or more database tables or database views. In most applications, SELECT is the most commonly used data manipulation language (DML) command. As SQL is a declarative programming language, SELECT queries specify a result set, but do not specify how to calculate it.

8. List of in-memory databases - Wikipedia

   en.wikipedia.org/wiki/List_of_in-memory_databases

   SQL, ODBC, JDBC, ADO.NET, Embedded SQL, C, C++, Python Proprietary Mimer SQL is a general purpose relational database server that can be configured to run fully in-memory. Mimer SQL has full ACID support, support for stored procedures and is the only database that has a full score on SQL compliance Mnesia: Ericsson: 2014 Open Source Erlang License

9. Data control language - Wikipedia

   en.wikipedia.org/wiki/Data_Control_Language

   A data control language (DCL) is a syntax similar to a computer programming language used to control access to data stored in a database (authorization). In particular, it is a component of Structured Query Language (SQL). Data Control Language is one of the logical group in SQL Commands.