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https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-options-variables.html
ndb_cache_check_time Command-Line Format --ndb-cache-check-time=# Deprecated 5.7.20 System Variable ndb_cache_check_time Scope Global Dynamic Yes Type Integer Default Value 0 Minimum Value 0 Maximum Value 31536000 Unit milliseconds The number of ...
https://dev.mysql.com/doc/refman/5.7/en/explain-for-connection.html
If the named connection is executing a statement that is not explainable, an error occurs. To obtain the execution plan for an explainable statement executing in a named connection, use this statement: EXPLAIN [options] FOR CONNECTION ...Because of ...
https://dev.mysql.com/doc/refman/5.7/en/compilation-problems.html
Versions of bison older than 1.75 may report this error: sql_yacc.yy:#####: fatal error: maximum table size (32767) exceeded The maximum table size is not actually exceeded; the error is caused by bugs in older versions of bison. However, if you do ...Each time you run CMake, you must run make again to ...If you do reconfigure, take note of the following: If CMake is run after it has previously been run, it may use ...
https://dev.mysql.com/doc/refman/5.7/en/innodb-auto-increment-handling.html
With a table-level lock, held to the end of the statement, only one INSERT statement referring to table t1 can execute at a time, and the generation of auto-increment numbers by different statements is not interleaved. However, those table-level ...
https://dev.mysql.com/doc/refman/5.7/en/audit-log-file-formats.html
For example, the event corresponding to execution of an SQL statement received from a client has a <TIMESTAMP> value occurring after the statement finishes, not when it was received. For example, the event corresponding to execution of an SQL ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-batch-commands.html
To do so, create a text file text_file that contains the statements you wish to execute. file_name Sometimes you may want your script to display progress information to the user. Previously, it read them and sent them to the server, resulting in a ... The mysql client typically is used interactively, like this: mysql db_name However, it is also possible to put your SQL statements in a file and then tell mysql to read its input from that ...
https://dev.mysql.com/doc/refman/5.7/en/sys-execute-prepared-stmt.html
Thus, this procedure is useful primarily for executing dynamic statements on a one-time basis. Given an SQL statement as a string, executes it as a prepared statement. The prepared statement is deallocated after execution, so it is not subject to ...If that statement name exists when the procedure is called, its previous content is ...
https://dev.mysql.com/doc/refman/5.7/en/faqs-cjk.html
Sometimes people try to insert gbk characters into gb2312, and it works most of the time because gbk is a superset of gb2312. Why do I get Incorrect string value error messages? To see the problem, create a table with one Unicode (ucs2) column and ... This set of Frequently Asked Questions derives from the experience of MySQL's Support and Development groups in handling many inquiries about CJK (Chinese-Japanese-Korean) ...
https://dev.mysql.com/doc/refman/5.7/en/replication-gtids-lifecycle.html
The life cycle of a GTID consists of the following steps: A transaction is executed and committed on the replication source server. If a GTID was assigned for the transaction, the GTID is persisted atomically at commit time by writing it to the ...
https://dev.mysql.com/doc/refman/5.7/en/error-interfaces.html
Error messages can originate on the server side or the client side, and each error message includes an error code, SQLSTATE value, and message string, as described in Section B.1, “Error Message Sources and Elements”. For lists of server-side, ...The GET DIAGNOSTICS statement may be used to inspect the diagnostic information in the diagnostics ...