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https://dev.mysql.com/doc/refman/5.7/en/triggers.html
A trigger is a named database object that is associated with a table, and that activates when a particular event occurs for the table. Some uses for triggers are to perform checks of values to be inserted into a table or to perform calculations on ...
https://dev.mysql.com/doc/refman/5.7/en/faqs-stored-procs.html
Do stored procedures have a statement for raising application errors? A.4.13. Do the preceding limitations affect the ability of MySQL to do point-in-time recovery? A.4.28. Can a stored procedure call a trigger? A stored procedure can execute an SQL ...Where can I find documentation for MySQL stored procedures and stored functions? ...
https://dev.mysql.com/doc/refman/5.7/en/sys-schema-views.html
SQL statements are truncated to a maximum display width using format_statement(). The sys schema contains many views that summarize Performance Schema tables in various ways. Most of these views come in pairs, such that one member of the pair has ...
https://dev.mysql.com/doc/refman/5.7/en/compressed-format.html
Compressed storage format is a read-only format that is generated with the myisampack tool. Compressed tables have the following characteristics: Compressed tables take very little disk space. This minimizes disk usage, which is helpful when using ...
https://dev.mysql.com/doc/refman/5.7/en/information-schema-innodb-table-reference.html
The following table summarizes INFORMATION_SCHEMA InnoDB tables. For greater detail, see the individual table descriptions. Table 24.3 INFORMATION_SCHEMA InnoDB Tables Table Name Description Deprecated INNODB_BUFFER_PAGE Pages in InnoDB buffer pool ...
https://dev.mysql.com/doc/refman/5.7/en/macos-installation-notes.html
You should keep the following issues and notes in mind: As of macOS 10.14 (Majave), the macOS MySQL 5.7 Installer application requires permission to control System Events so it can display a generated (temporary) MySQL root password. Choosing ...
https://dev.mysql.com/doc/refman/5.7/en/stored-routines-syntax.html
A stored routine is either a procedure or a function. Stored routines are created with the CREATE PROCEDURE and CREATE FUNCTION statements (see Section 13.1.16, “CREATE PROCEDURE and CREATE FUNCTION Statements”). A procedure is invoked using a ...
https://dev.mysql.com/doc/refman/5.7/en/charset-we-sets.html
Western European character sets cover most West European languages, such as French, Spanish, Catalan, Basque, Portuguese, Italian, Albanian, Dutch, German, Danish, Swedish, Norwegian, Finnish, Faroese, Icelandic, Irish, Scottish, and English. ascii ...
https://dev.mysql.com/doc/refman/5.7/en/information-schema-innodb-sys-foreign-cols-table.html
The INNODB_SYS_FOREIGN_COLS table provides status information about the columns of InnoDB foreign keys, equivalent to the information from the SYS_FOREIGN_COLS table in the InnoDB data dictionary. For related usage information and examples, see ...
https://dev.mysql.com/doc/refman/5.7/en/innodb-memcached-developing.html
Typically, writing an application for the InnoDB memcached plugin involves some degree of rewriting or adapting existing code that uses MySQL or the memcached API. With the daemon_memcached plugin, instead of many traditional memcached servers ...