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https://dev.mysql.com/doc/refman/8.0/en/corrupted-myisam-tables.html
Try to repair it Queries don't find rows in the table or return incomplete results. Even though the MyISAM table format is very reliable (all changes to a table made by an SQL statement are written before the statement returns), you can still get ...
https://dev.mysql.com/doc/refman/8.0/en/create-event.html
CREATE [DEFINER = user] EVENT [IF NOT EXISTS] event_name ON SCHEDULE schedule [ON COMPLETION [NOT] PRESERVE] [ENABLE | DISABLE | DISABLE ON SLAVE] [COMMENT 'string'] DO event_body; schedule: { AT timestamp [+ INTERVAL interval] ... The event does ...
https://dev.mysql.com/doc/refman/8.0/en/create-spatial-reference-system.html
srs_attribute: { NAME 'srs_name' | DEFINITION 'definition' | ORGANIZATION 'org_name' IDENTIFIED BY org_id | DESCRIPTION 'description' } srid, org_id: 32-bit unsigned integer This statement creates a spatial reference system (SRS) definition and ...
https://dev.mysql.com/doc/refman/8.0/en/creating-database.html
If the administrator creates your database for you when setting up your permissions, you can begin using it. Otherwise, you need to create it yourself: mysql> CREATE DATABASE menagerie; Under Unix, database names are case-sensitive (unlike SQL ...
https://dev.mysql.com/doc/refman/8.0/en/creating-spatial-indexes.html
For InnoDB and MyISAM tables, MySQL can create spatial indexes using syntax similar to that for creating regular indexes, but using the SPATIAL keyword. For storage engines that support nonspatial indexing of spatial columns, the engine creates a ...
https://dev.mysql.com/doc/refman/8.0/en/creating-tables.html
You want a table that contains a record for each of your pets. This can be called the pet table, and it should contain, as a bare minimum, each animal's name. Because the name by itself is not very interesting, the table should contain other ...
https://dev.mysql.com/doc/refman/8.0/en/custom-benchmarks.html
To avoid problems like this, benchmark your whole application under the worst possible load: The mysqlslap program can be helpful for simulating a high load produced by multiple clients issuing queries simultaneously. Benchmark your application and ...
https://dev.mysql.com/doc/refman/8.0/en/database-use.html
A menagerie distribution containing some of the queries and sample data used in the following sections can be obtained from the MySQL website. Once you know how to enter SQL statements, you are ready to access a database. Suppose that you have ...
https://dev.mysql.com/doc/refman/8.0/en/debugging-client.html
To be able to debug a MySQL client with the integrated debug package, you should configure MySQL with -DWITH_DEBUG=1. Before running a client, you should set the MYSQL_DEBUG environment variable: $> MYSQL_DEBUG=d:t:O,/tmp/client.trace $> export ...
https://dev.mysql.com/doc/refman/8.0/en/descending-indexes.html
Indexes that have descending key parts are not used for MIN()/MAX() optimization of queries that invoke aggregate functions but do not have a GROUP BY clause. MySQL supports descending indexes: DESC in an index definition is no longer ignored but ...