PDF (US Ltr)
- 35.0Mb
PDF (A4)
- 35.1Mb
Man Pages (TGZ)
- 254.9Kb
Man Pages (Zip)
- 359.9Kb
Info (Gzip)
- 3.4Mb
Info (Zip)
- 3.4Mb
Search Results
https://dev.mysql.com/doc/refman/5.7/en/thread-information.html
row *************************** Id: 1 User: event_scheduler Host: localhost db: NULL Command: Daemon Time: 2756681 State: Waiting on empty queue Info: NULL *************************** 2. To ascertain what your MySQL server is doing, it can be ...
https://dev.mysql.com/doc/refman/5.7/en/where-optimization.html
This is also done for any NOT NULL expression when used with only one table. A table that is used with a WHERE clause on a PRIMARY KEY or a UNIQUE index, where all index parts are compared to constant expressions and are defined as NOT NULL. This ...
https://dev.mysql.com/doc/refman/5.7/en/data-masking-installation.html
This section describes how to install or uninstall MySQL Enterprise Data Masking and De-Identification, which is implemented as a plugin library file containing a plugin and several loadable functions. For general information about installing or ...
https://dev.mysql.com/doc/refman/5.7/en/entering-queries.html
Enter a semicolon to complete the statement, and mysql executes it: mysql> SELECT USER() -> ; +---------------+ | USER() | +---------------+ | jon@localhost | +---------------+ The '> and "> prompts occur during string collection (another way of ...
https://dev.mysql.com/doc/refman/5.7/en/mysqlcheck.html
--debug[=debug_options], -# [debug_options] Command-Line Format --debug[=debug_options] Type String Default Value d:t:o Write a debugging log. --default-character-set=charset_name Command-Line Format --default-character-set=charset_name Type String ... The mysqlcheck client performs table maintenance: It checks, repairs, optimizes, or analyzes ...
https://dev.mysql.com/doc/refman/5.7/en/alter-table-partition-operations.html
Attempting to use REORGANIZE PARTITION without the partition_names INTO (partition_definitions) option on explicitly partitioned tables results in the error REORGANIZE PARTITION without parameters can only be used on auto-partitioned tables using ...
https://dev.mysql.com/doc/refman/5.7/en/charset-unicode-conversion.html
This section describes issues that you may face when converting character data between the utf8mb3 and utf8mb4 character sets. Note This discussion focuses primarily on converting between utf8mb3 and utf8mb4, but similar principles apply to ...
https://dev.mysql.com/doc/refman/5.7/en/counting-rows.html
Counting the total number of animals you have is the same question as “How many rows are in the pet table?” because there is one record per pet. COUNT(*) counts the number of rows, so the query to count your animals looks like this: mysql> ...
https://dev.mysql.com/doc/refman/5.7/en/events-configuration.html
row *************************** Id: 1 User: root Host: localhost db: NULL Command: Query Time: 0 State: NULL Info: show processlist *************************** 2. row *************************** Id: 2 User: event_scheduler Host: localhost db: NULL ... Events are executed by a special event scheduler thread; when we refer to the Event Scheduler, we actually refer to this ...
https://dev.mysql.com/doc/refman/5.7/en/group-by-handling.html
The query is invalid if name is not a primary key of t or a unique NOT NULL column. SQL-92 and earlier does not permit queries for which the select list, HAVING condition, or ORDER BY list refer to nonaggregated columns that are not named in the ...