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https://dev.mysql.com/doc/refman/5.7/en/information-schema-triggers-table.html
DEFINER The account named in the DEFINER clause (often the user who created the trigger), in 'user_name'@'host_name' format. This is a TIMESTAMP(2) value (with a fractional part in hundredths of seconds) for triggers created in MySQL 5.7.2 or later, ...To see information about a table's triggers, you must have the TRIGGER privilege for the ...
https://dev.mysql.com/doc/refman/5.7/en/show-triggers.html
row *************************** Trigger: ins_sum Event: INSERT Table: account Statement: SET @sum = @sum + NEW.amount Timing: BEFORE Created: 2018-08-08 10:10:12.61 sql_mode: ONLY_FULL_GROUP_BY,STRICT_TRANS_TABLES, NO_ZERO_IN_DATE,NO_ZERO_DATE, ...
https://dev.mysql.com/doc/refman/5.7/en/binary-log-mysql-database.html
The contents of the grant tables in the mysql database can be modified directly (for example, with INSERT or DELETE) or indirectly (for example, with GRANT or CREATE USER). This pertains to statements such as GRANT, REVOKE, SET PASSWORD, RENAME ...
https://dev.mysql.com/doc/refman/5.7/en/fulltext-natural-language.html
To search the title or body separately, you would create separate FULLTEXT indexes for each column. Alternatively, you can create FULLTEXT indexes using the ngram parser plugin (for Chinese, Japanese, or Korean) or the MeCab parser plugin (for ...
https://dev.mysql.com/doc/refman/5.7/en/innodb-auto-increment-handling.html
To make this clear, consider an example that uses this table: CREATE TABLE t1 ( c1 INT(11) NOT NULL AUTO_INCREMENT, c2 VARCHAR(10) DEFAULT NULL, PRIMARY KEY (c1) ) ENGINE=InnoDB; Suppose that there are two transactions running, each inserting rows ... InnoDB provides a configurable locking mechanism that can significantly improve scalability and performance of SQL statements that add rows to tables with AUTO_INCREMENT ...
https://dev.mysql.com/doc/refman/5.7/en/memory-use.html
The server caches information in memory as a result of GRANT, CREATE USER, CREATE SERVER, and INSTALL PLUGIN statements. For MEMORY tables explicitly created with CREATE TABLE, only the max_heap_table_size system variable determines how large a ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-ndbinfo-operations-per-fragment.html
This currently has the following formats: Base table: DbName/def/TblName BLOB table: DbName/def/NDB$BLOB_BaseTblId_ColNo Ordered index: sys/def/BaseTblId/IndexName Unique index: sys/def/BaseTblId/IndexName$unique The $unique suffix shown for unique ... The operations_per_fragment table provides information about the operations performed on individual fragments and fragment replicas, as well as about some of the results from these ...
https://dev.mysql.com/doc/refman/5.7/en/replication-howto.html
Optionally, create a separate user for your replicas to use during authentication with the source when reading the binary log for replication. Before creating a data snapshot or starting the replication process, on the source you should record the ... This section describes how to set up a MySQL server to use binary log file position based ...
https://dev.mysql.com/doc/refman/5.7/en/multiple-data-directories.html
It has the default set of MySQL accounts and no user data. Copy an Existing Data Directory With this method, any MySQL accounts or user data present in the data directory are carried over to the new data directory. There are different methods of ...
https://dev.mysql.com/doc/refman/5.7/en/assignment-operators.html
Causes the user variable on the left hand side of the operator to take on the value to its right. Section 9.4, “User-Defined Variables”, explains why you should avoid doing this. Within a SET statement, = is treated as an assignment operator ...