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https://dev.mysql.com/doc/refman/8.4/en/show-columns.html
The data types may differ from what you expect them to be based on a CREATE TABLE statement because MySQL sometimes changes data types when you create or alter a table. The SHOW CREATE TABLE, SHOW TABLE STATUS, and SHOW INDEX statements also provide ... SHOW [EXTENDED] [FULL] {COLUMNS | FIELDS} {FROM | IN} tbl_name [{FROM | IN} db_name] [LIKE 'pattern' | WHERE expr] SHOW COLUMNS displays information about the columns in a given ...
https://dev.mysql.com/doc/refman/8.4/en/forcing-innodb-recovery.html
With an innodb_force_recovery value of 3 or less you can DROP or CREATE tables. To investigate database page corruption, you might dump your tables from the database with SELECT ... In such cases, you can use the innodb_force_recovery option to ...
https://dev.mysql.com/doc/refman/8.4/en/information-schema-innodb-ft-index-cache-table.html
The INNODB_FT_INDEX_CACHE table provides token information about newly inserted rows in a FULLTEXT index. Before querying it, set the value of the innodb_ft_aux_table system variable to the name (including the database name) of the table that ...
https://dev.mysql.com/doc/refman/8.4/en/innodb-consistent-read.html
This exception causes the following anomaly: If you update some rows in a table, a SELECT sees the latest version of the updated rows, but it might also see older versions of any rows. If other sessions simultaneously update the same table, the ...
https://dev.mysql.com/doc/heatwave-aws/en/heatwave-aws-channel-details.html
Table without primary key: How the creation and alteration of tables with no primary keys on the source are handled. Possible values are: Raise an error Allow Generate primary key: Allows replicating a CREATE TABLE or ALTER TABLE transaction with no ... Channel Details 8.7.1 Channel Details The Channel Details page contains the following tabs: Table 8-3 Tabs on the Channel Details Page Name Description Details Channel ...
https://dev.mysql.com/doc/refman/8.4/en/silent-column-changes.html
In some cases, MySQL silently changes column specifications from those given in a CREATE TABLE or ALTER TABLE statement. Trailing spaces are automatically deleted from ENUM and SET member values when the table is created. See Section 10.4.7, ...
https://dev.mysql.com/doc/refman/8.4/en/charset-examples.html
Example 1: Table and Column Definition CREATE TABLE t1 ( c1 CHAR(10) CHARACTER SET latin1 COLLATE latin1_german1_ci ) DEFAULT CHARACTER SET latin2 COLLATE latin2_bin; Here we have a column with a latin1 character set and a latin1_german1_ci ... The ...
https://dev.mysql.com/doc/mysql-ai/9.5/en/mys-ai-genai-generate-content.html
OutputTableName: the name of the table where you want to create a new column to store the generated outputs. If the specified table doesn't exist, a new table is created. If you created a new database for testing the steps in this section, delete ...
https://dev.mysql.com/doc/refman/8.4/en/replication-gtids-restrictions.html
If binlog_format is set to STATEMENT, CREATE TEMPORARY TABLE and DROP TEMPORARY TABLE statements cannot be used inside transactions, procedures, functions, and triggers when GTIDs are in use on the server (that is, when the enforce_gtid_consistency ...When using GTIDs, updates to tables using nontransactional storage engines such as MyISAM cannot be made in the same statement or transaction as updates to tables using transactional storage engines such as ...
https://dev.mysql.com/doc/refman/8.4/en/information-schema-key-column-usage-table.html
This table provides no information about functional key parts because they are expressions and the table provides information only about columns. The KEY_COLUMN_USAGE table has these columns: CONSTRAINT_CATALOG The name of the catalog to which the ...CONSTRAINT_SCHEMA The name of the schema (database) to which the constraint ...