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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.
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.
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 ...