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https://dev.mysql.com/doc/refman/5.7/en/replication-options-gtids.html
gtid_executed System Variable gtid_executed Scope Global Dynamic No Type String Unit set of GTIDs When used with global scope, this variable contains a representation of the set of all transactions executed on the server and GTIDs that have been set ... The MySQL Server system variables described in this section are used to monitor and control Global Transaction Identifiers ...
https://dev.mysql.com/doc/refman/5.7/en/scalar-subqueries.html
A scalar subquery is a simple operand, and you can use it almost anywhere a single column value or literal is legal, and you can expect it to have those characteristics that all operands have: a data type, a length, an indication that it can be ...
https://dev.mysql.com/doc/refman/5.7/en/constraint-invalid-data.html
For strings, MySQL stores either the empty string or as much of the string as can be stored in the column. If you try to store a string that does not start with a number into a numeric column, MySQL Server stores 0. If you try to store NULL into a ... MySQL 5.7.5 and later uses strict SQL mode by default, which treats invalid values such that the server rejects them and aborts the statement in which they occur (see Section 5.1.10, “Server SQL ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-install-example-data.html
Note The information in this section applies to NDB Cluster running on both Unix and Windows platforms. Working with database tables and data in NDB Cluster is not much different from doing so in standard MySQL. There are two key points to keep in ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-what-is-new-7-5.html
This setting overrides --ndb-nodeid, which means that it also overrides both the --ndb-connectstring option and the NDB_CONNECTSTRING environment variable. Attempting to use any of these parameters in an NDB Cluster configuration file now results in ... Major changes and new features in NDB Cluster 7.5 which are likely to be of interest are shown in the following list: ndbinfo ...
https://dev.mysql.com/doc/refman/5.7/en/partitioning-types.html
MySQL's other partitioning types, however, require a partitioning expression that yields an integer value or NULL. However, you can use other date and time functions that return an integer or NULL, such as WEEKDAY(), DAYOFYEAR(), or MONTH(). This ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-command-options.html
--binary-as-hex when enabled affects display of all binary strings, including those returned by functions such as CHAR() and UNHEX(). By default, mysql translates \r\n in statement strings to \n and interprets \0 as the statement terminator. mysql ...
https://dev.mysql.com/doc/refman/5.7/en/replication-gtids-lifecycle.html
In addition, for a non-transactional update, if a disk write failure occurs while attempting to write to the binary log cache and a gap is therefore created in the binary log, the resulting incident log event is assigned a GTID. When you issue RESET ... The life cycle of a GTID consists of the following steps: A transaction is executed and committed on the replication source ...
https://dev.mysql.com/doc/refman/5.7/en/limit-optimization.html
row *************************** id: 1 select_type: SIMPLE table: t partitions: NULL type: range possible_keys: i key: i key_len: 8 ref: NULL rows: 14 filtered: 100.00 Extra: Using index condition; Using filesort See also Section 8.9.2, “Switchable ... If you need only a specified number of rows from a result set, use a LIMIT clause in the query, rather than fetching the whole result set and throwing away the extra ...
https://dev.mysql.com/doc/refman/5.7/en/partitioning-list.html
Note In MySQL 5.7, it is possible to match against only a list of integers (and possibly NULL—see Section 22.2.7, “How MySQL Partitioning Handles NULL”) when partitioning by LIST. List partitioning in MySQL is similar to range partitioning in ...