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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/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/show-events.html
Definer The account of the user who created the event, in 'user_name'@'host_name' format. In its simplest form, SHOW EVENTS lists all of the events in the current schema: mysql> SELECT CURRENT_USER(), SCHEMA(); +----------------+----------+ | ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-ndbinfo-nodes.html
This is one of: NOTHING, CMVMI, STARTING, STARTED, SINGLEUSER, STOPPING_1, STOPPING_2, STOPPING_3, or STOPPING_4. SINGLEUSER is displayed in the status column for all data nodes when the cluster is in single user mode (see Section 21.6.6, “NDB ...
https://dev.mysql.com/doc/refman/5.7/en/performance-schema-replication-connection-configuration-table.html
(CHANGE MASTER TO option: MASTER_PORT) USER The user name of the account used to connect to the replication source server. (CHANGE MASTER TO option: MASTER_USER) NETWORK_INTERFACE The network interface that the replica is bound to, if any. This ...