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https://dev.mysql.com/doc/refman/5.7/en/innodb-fulltext-index.html
Full-text indexes are created on text-based columns (CHAR, VARCHAR, or TEXT columns) to speed up queries and DML operations on data contained within those columns. The data that is already flushed to disk (to the auxiliary index tables) is not ...A ...
https://dev.mysql.com/doc/refman/5.7/en/innodb-information-schema-internal-data.html
Because the buffer is not refreshed with every query of any of these tables, if you issue separate queries against these tables within a tenth of a second, the results are the same from query to query. On the other hand, two separate queries of the ... The data exposed by the transaction and locking tables (INNODB_TRX, INNODB_LOCKS, and INNODB_LOCK_WAITS) represents a glimpse into fast-changing ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-sql-statements.html
However, you can use LIKE to filter queries against the Information Schema ENGINES table, as discussed in the next item. This section discusses several SQL statements that can prove useful in managing and monitoring a MySQL server that is connected ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-nutshell.html
Implementation for the ONLY_FULL_GROUP_BY SQL mode has been made more sophisticated, to no longer reject deterministic queries that previously were rejected. In consequence, this mode is now enabled by default, to prohibit only nondeterministic ...
https://dev.mysql.com/doc/refman/5.7/en/time-zone-support.html
The desired result is that both queries return the same result (the input time, converted to the equivalent value in the 'US/Central' time zone). This section describes the time zone settings maintained by MySQL, how to load the system tables ...
https://dev.mysql.com/doc/refman/5.7/en/timestamp-lookups.html
In such cases, all index-using queries of the form shown match at most one index entry. It remains true that index-using queries match the converted search value to a single value in the UTC index entries, rather than matching multiple UTC values ...
https://dev.mysql.com/doc/refman/5.7/en/upgrading-from-previous-series.html
Implementation of the ONLY_FULL_GROUP_BY SQL mode has been made more sophisticated, to no longer reject deterministic queries that previously were rejected. In consequence, ONLY_FULL_GROUP_BY is now enabled by default, to prohibit nondeterministic ... Before upgrading to MySQL 5.7, review the changes described in this section to identify those that apply to your current MySQL installation and ...
https://dev.mysql.com/doc/refman/5.7/en/grant.html
For example: CREATE USER 'jeffrey'@'localhost' IDENTIFIED BY 'password'; GRANT ALL ON db1.* TO 'jeffrey'@'localhost'; GRANT SELECT ON db2.invoice TO 'jeffrey'@'localhost'; ALTER USER 'jeffrey'@'localhost' WITH MAX_QUERIES_PER_HOUR 90; Note Examples ...[REQUIRE {NONE | tls_option [[AND] tls_option] ...}] [WITH {GRANT OPTION | resource_option} ...] GRANT PROXY ON user TO user [, user] ...
https://dev.mysql.com/doc/refman/5.7/en/information-schema-introduction.html
You can filter, sort, concatenate, and transform the results from INFORMATION_SCHEMA queries into whatever format your application needs, such as a data structure or a text representation to parse. Performance Considerations INFORMATION_SCHEMA ...
https://dev.mysql.com/doc/refman/5.7/en/innodb-autocommit-commit-rollback.html
If autocommit mode is enabled, each SQL statement forms a single transaction on its own. By default, MySQL starts the session for each new connection with autocommit enabled, so MySQL does a commit after each SQL statement if that statement did not ...