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https://dev.mysql.com/doc/refman/8.0/en/create-table-select.html
Columns named in both parts or only in the SELECT part come after that. As of MySQL 8.0.21, on storage engines that support both atomic DDL and foreign key constraints, creation of foreign keys is not permitted in CREATE TABLE ... You can create ...
https://dev.mysql.com/doc/refman/8.0/en/create-trigger.html
For example, an INSERT trigger activates not only for INSERT statements but also LOAD DATA statements because both statements insert rows into a table. syntax: a BEFORE INSERT trigger activates for every row, followed by either an AFTER INSERT ...
https://dev.mysql.com/doc/refman/8.0/en/creating-ssl-files-using-openssl.html
The first two examples are intended for use on Unix and both use the openssl command that is part of OpenSSL. (The CA certificate, if used, must be the same on both sides.) server-cert.pem, server-key.pem: Use these to set the ssl_cert and ssl_key ... This section describes how to use the openssl command to set up SSL certificate and key files for use by MySQL servers and ...
https://dev.mysql.com/doc/refman/8.0/en/date-and-time-literals.html
The value inserted must not have a zero for the month part, the day part, or both parts. Standard SQL and ODBC Date and Time Literals String and Numeric Literals in Date and Time Context Date and time values can be represented in several formats, ...
https://dev.mysql.com/doc/refman/8.0/en/delete.html
Partitioned Table Support DELETE supports explicit partition selection using the PARTITION clause, which takes a list of the comma-separated names of one or more partitions or subpartitions (or both) from which to select rows to be dropped. Given a ... DELETE is a DML statement that removes rows from a ...
https://dev.mysql.com/doc/refman/8.0/en/derived-condition-pushdown-optimization.html
This includes WHERE conditions having multiple predicates joined with AND, OR, or both. MySQL 8.0.22 and later supports derived condition pushdown for eligible subqueries. When a derived table cannot be merged into the outer query (for example, if ...
https://dev.mysql.com/doc/refman/8.0/en/encryption-functions.html
Both HKDF and PBKDF2 can use salts, and their use is recommended to help prevent attacks based on dictionaries of common passwords or rainbow tables. If you want to store these results, use a column with a VARBINARY or BLOB binary string data type.
https://dev.mysql.com/doc/refman/8.0/en/error-log-rule-based-filtering.html
Both operators have the same precedence and evaluate left to right. The log_filter_dragnet log filter component enables log filtering based on user-defined rules. To enable the log_filter_dragnet filter, first load the filter component, then modify ...
https://dev.mysql.com/doc/refman/8.0/en/features.html
Support for LEFT OUTER JOIN and RIGHT OUTER JOIN with both standard SQL and ODBC syntax. These include both command-line programs such as mysqldump and mysqladmin, and graphical programs such as MySQL Workbench. This section describes some of the ...
https://dev.mysql.com/doc/refman/8.0/en/firewall-reference.html
If the call succeeds, the change in group membership is made to both the in-memory cache and persistent storage. If the call succeeds, the change in group membership is made to both the in-memory cache and persistent storage. When enabled, the ...