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Log trigger. In relational databases, the log trigger or history trigger is a mechanism for automatic recording of information about changes inserting or/and updating or/and deleting rows in a database table . It is a particular technique for change data capturing, and in data warehousing for dealing with slowly changing dimensions .
MySQL ( / ˌmaɪˌɛsˌkjuːˈɛl /) [ 5] is an open-source relational database management system (RDBMS). [ 5][ 6] Its name is a combination of "My", the name of co-founder Michael Widenius 's daughter My, [ 7] and "SQL", the acronym for Structured Query Language.
PHP Programming at Wikibooks. PHP is a general-purpose scripting language geared towards web development. [ 8] It was originally created by Danish-Canadian programmer Rasmus Lerdorf in 1993 and released in 1995. [ 9][ 10] The PHP reference implementation is now produced by the PHP Group. [ 11]
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 ...
It was developed by MySQL AB, and enables users to graphically administer MySQL databases and visually design database structures. Adminer – free MySQL front end capable of managing multiple databases, with many CSS skins available. It is a light-weight alternative to phpMyAdmin, distributed under the Apache license (or GPL v2) as a single ...
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.
List of Apache–MySQL–PHP packages. This is a list of notable AMP ( Apache, MySQL / MariaDB, Perl / PHP / Python) software stacks for all computer platforms; these software bundles are used to run dynamic Web sites or servers. There are LAMPs (for Linux ); WAMPs (for Windows ); MAMPs (for macOS) and DAMPs (for Darwin ); SAMPs (for Solaris ...
For example, LAST_INSERT_ID() for MySQL. Using a unique combination of elements from the original SQL INSERT in a subsequent SELECT statement. Using a GUID in the SQL INSERT statement and retrieving it in a SELECT statement. Using the OUTPUT clause in the SQL INSERT statement for MS-SQL Server 2005 and MS-SQL Server 2008.