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https://dev.mysql.com/doc/refman/8.0/en/prepare.html
PREPARE stmt_name FROM preparable_stmt The PREPARE statement prepares a SQL statement and assigns it a name, stmt_name, by which to refer to the statement later. The prepared statement is executed with EXECUTE and released with DEALLOCATE PREPARE.
https://dev.mysql.com/doc/refman/8.0/en/program-variables.html
Many MySQL programs have internal variables that can be set at runtime using the SET statement. See Section 15.7.6.1, “SET Syntax for Variable Assignment”, and Section 7.1.9, “Using System Variables”. Most of these program variables also ...
https://dev.mysql.com/doc/refman/8.0/en/repeat.html
[begin_label:] REPEAT statement_list UNTIL search_condition END REPEAT [end_label] The statement list within a REPEAT statement is repeated until the search_condition expression is true. statement_list consists of one or more statements, each ...
https://dev.mysql.com/doc/refman/8.0/en/replication-administration-status.html
The most common task when managing a replication process is to ensure that replication is taking place and that there have been no errors between the replica and the source. The SHOW REPLICA STATUS statement, which you must execute on each replica, ...
https://dev.mysql.com/doc/refman/8.0/en/replication-binlog-encryption-encryption-keys.html
The binary log encryption keys used to encrypt the file passwords for the log files are 256-bit keys that are generated specifically for each MySQL server instance using MySQL Server's keyring service (see Section 8.4.4, “The MySQL Keyring”).
https://dev.mysql.com/doc/refman/8.0/en/replication-features-differing-tables.html
Source and target tables for replication do not have to be identical. A table on the source can have more or fewer columns than the replica's copy of the table. In addition, corresponding table columns on the source and the replica can use ...
https://dev.mysql.com/doc/refman/8.0/en/replication-features-floatvalues.html
With statement-based replication, values are converted from decimal to binary. Because conversions between decimal and binary representations of them may be approximate, comparisons involving floating-point values are inexact. This is true for ...
https://dev.mysql.com/doc/refman/8.0/en/replication-features-functions.html
Certain functions do not replicate well under some conditions: The USER(), CURRENT_USER() (or CURRENT_USER), UUID(), VERSION(), and LOAD_FILE() functions are replicated without change and thus do not work reliably on the replica unless row-based ...
https://dev.mysql.com/doc/refman/8.0/en/replication-features-transaction-inconsistencies.html
Inconsistencies in the sequence of transactions that have been executed from the relay log can occur depending on your replication configuration. This section explains how to avoid inconsistencies and solve any problems they cause. A transaction ...
https://dev.mysql.com/doc/refman/8.0/en/replication-features-transactions.html
In general, you should avoid transactions that update both transactional and nontransactional tables in a replication environment. You should also avoid using any statement that accesses both transactional (or temporary) and nontransactional tables ...