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https://dev.mysql.com/doc/refman/8.0/en/show-create-user.html
SHOW CREATE USER user This statement shows the CREATE USER statement that creates the named user. The statement requires the SELECT privilege for the mysql system schema, except to see information for the current user. For the current user, the ...
https://dev.mysql.com/doc/refman/8.0/en/show-table-status.html
SHOW TABLE STATUS [{FROM | IN} db_name] [LIKE 'pattern' | WHERE expr] SHOW TABLE STATUS works likes SHOW TABLES, but provides a lot of information about each non-TEMPORARY table. You can also get this list using the mysqlshow --status db_name ...
https://dev.mysql.com/doc/refman/8.0/en/show.html
SHOW has many forms that provide information about databases, tables, columns, or status information about the server. The pattern is useful for restricting statement output to matching values. Several SHOW statements also accept a WHERE clause ...
https://dev.mysql.com/doc/refman/8.0/en/storage-engine-setting.html
When you create a new table, you can specify which storage engine to use by adding an ENGINE table option to the CREATE TABLE statement: -- ENGINE=INNODB not needed unless you have set a different -- default storage engine. CREATE TABLE t1 (i INT) ...
https://dev.mysql.com/doc/refman/8.0/en/system-schema.html
It contains tables that store information required by the MySQL server as it runs. A broad categorization is that the mysql schema contains data dictionary tables that store database object metadata, and system tables used for other operational ...
https://dev.mysql.com/doc/refman/8.0/en/temporary-files.html
On Unix, MySQL uses the value of the TMPDIR environment variable as the path name of the directory in which to store temporary files. If TMPDIR is not set, MySQL uses the system default, which is usually /tmp, /var/tmp, or /usr/tmp. On Windows, ...
https://dev.mysql.com/doc/refman/8.0/en/xml-functions.html
Table 14.16 XML Functions Name Description ExtractValue() Extract a value from an XML string using XPath notation UpdateXML() Return replaced XML fragment This section discusses XML and related functionality in MySQL. Note It is possible to obtain ...
https://dev.mysql.com/doc/refman/8.0/en/aggregate-functions.html
mysql> SELECT COUNT(DISTINCT results) FROM student; In MySQL, you can obtain the number of distinct expression combinations that do not contain NULL by giving a list of expressions. In standard SQL, you would have to do a concatenation of all ...
https://dev.mysql.com/doc/refman/8.0/en/alter-user.html
ALTER USER [IF EXISTS] user [auth_option] [, user [auth_option]] ... [REQUIRE {NONE | tls_option [[AND] tls_option] ...}] [WITH resource_option [resource_option] ...] [password_option | lock_option] ... It enables authentication, role, SSL/TLS, ...
https://dev.mysql.com/doc/refman/8.0/en/audit-log-legacy-filtering.html
Note This section describes legacy audit log filtering, which applies if the audit_log plugin is installed without the accompanying audit tables and functions needed for rule-based filtering. Legacy Mode Audit Log Filtering is deprecated as of ...