PDF (US Ltr)
- 35.1Mb
PDF (A4)
- 35.2Mb
Man Pages (TGZ)
- 256.4Kb
Man Pages (Zip)
- 361.2Kb
Info (Gzip)
- 3.4Mb
Info (Zip)
- 3.4Mb
Search Results
https://dev.mysql.com/doc/refman/5.7/en/partitioning-list.html
The chief difference between the two types of partitioning is that, in list partitioning, each partition is defined and selected based on the membership of a column value in one of a set of value lists, rather than in one of a set of contiguous ...
https://dev.mysql.com/doc/refman/5.7/en/string-comparison-functions.html
Normally, if any expression in a string comparison is case-sensitive, the comparison is performed in case-sensitive fashion. For more information about that option, see Section 4.5.1, “mysql — The MySQL Command-Line Client”. For example, it ...
https://dev.mysql.com/doc/refman/5.7/en/using-gdb-on-mysqld.html
In this case, you should set the following environment variable in the shell before starting gdb: LD_ASSUME_KERNEL=2.4.1 export LD_ASSUME_KERNEL When running mysqld under gdb, you should disable the stack trace with --skip-stack-trace to be able to ... On most systems you can also start mysqld from gdb to get more information if mysqld ...With some older gdb ...
https://dev.mysql.com/doc/refman/5.7/en/do.html
In most respects, DO is shorthand for SELECT expr, ..., but has the advantage that it is slightly faster when you do not care about the result. For example, DO id FROM t1 is invalid because it references a table. DO is useful primarily with ...
https://dev.mysql.com/doc/refman/5.7/en/innodb-doublewrite-buffer.html
Because the doublewrite buffer setting is global, doublewrite buffering is also disabled for data files residing on non-Fusion-io hardware. The doublewrite buffer is a storage area where InnoDB writes pages flushed from the buffer pool before ...If ...
https://dev.mysql.com/doc/refman/5.7/en/performance-schema-filtering-names.html
To check which instrument or consumer names a pattern matches, perform a simple test: SELECT NAME FROM performance_schema.setup_instruments WHERE NAME LIKE 'pattern'; SELECT NAME FROM performance_schema.setup_consumers WHERE NAME LIKE 'pattern'; For ... Names given for filtering operations can be as specific or general as ...WHERE NAME LIKE 'wait/io/file/%'; The pattern '%/file/%' ...
https://dev.mysql.com/doc/refman/5.7/en/reset-master.html
For a server where binary logging is enabled (log_bin is ON), RESET MASTER deletes all existing binary log files and resets the binary log index file, resetting the server to its state before binary logging was started. For a server where GTIDs are ... RESET MASTER Warning Use this statement with caution to ensure you do not lose any wanted binary log file data and GTID execution ...
https://dev.mysql.com/doc/refman/5.7/en/midpoint-insertion.html
By default, the key cache management system uses a simple LRU strategy for choosing key cache blocks to be evicted, but it also supports a more sophisticated method called the midpoint insertion strategy. key_cache_division_limit is a component of ...When using the midpoint insertion strategy, the LRU chain is divided into two parts: a hot sublist and a warm ...
https://dev.mysql.com/doc/refman/5.7/en/view-check-option.html
The WITH CHECK OPTION clause can be given for an updatable view to prevent inserts to rows for which the WHERE clause in the select_statement is not true. It also prevents updates to rows for which the WHERE clause is true but the update would ...
https://dev.mysql.com/doc/refman/5.7/en/information-schema-referential-constraints-table.html
CONSTRAINT_SCHEMA The name of the schema (database) to which the constraint belongs. UNIQUE_CONSTRAINT_SCHEMA The name of the schema (database) containing the unique constraint that the constraint references. The possible values are CASCADE, SET ...