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https://dev.mysql.com/doc/refman/5.7/en/innodb-memcached-internals.html
For example, if you define col1, col2 as value columns, and you define | as the separator, you can issue the following memcached command to insert values into col1 and col2, respectively: set keyx 10 0 19 valuecolx|valuecoly valuecol1x is stored in ... InnoDB API for the InnoDB memcached Plugin The InnoDB memcached engine accesses InnoDB through InnoDB APIs, most of which are directly adopted from embedded ...
https://dev.mysql.com/doc/refman/5.7/en/internal-temporary-tables.html
SELECT statements that select from and insert into the same table, MySQL creates an internal temporary table to hold the rows from the SELECT, then inserts those rows into the target table. The union is not the top-level query block of an {INSERT | ... In some cases, the server creates internal temporary tables while processing ...
https://dev.mysql.com/doc/refman/5.7/en/join.html
MySQL supports the following JOIN syntax for the table_references part of SELECT statements and multiple-table DELETE and UPDATE statements: table_references: escaped_table_reference [, escaped_table_reference] ... index_hint: { USE {INDEX|KEY} ...
https://dev.mysql.com/doc/refman/5.7/en/ldml-collation-example.html
To add a UCA collation for a Unicode character set without recompiling MySQL, use the following procedure. If you are unfamiliar with the LDML rules used to describe the collation's sort characteristics, see Section 10.14.4.2, “LDML Syntax ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-ndb-api-statistics.html
The INSERT statement incremented both the ReadRowCount and TransLocalReadRowCount NDB API statistics counters, as reflected by the increased values of Ndb_api_read_row_count_session and Ndb_api_trans_local_read_row_count_session. A number of types ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-programs-ndb-move-data.html
Usage The program is invoked with the names of the source and target tables; either or both of these may be qualified optionally with the database name. ndb_move_data options source target Options that can be used with ndb_move_data are shown in the ...
https://dev.mysql.com/doc/refman/5.7/en/numeric-type-attributes.html
When you insert a value of NULL into an indexed AUTO_INCREMENT column, the column is set to the next sequence value. Inserting NULL to generate AUTO_INCREMENT values requires that the column be declared NOT NULL. If the column is declared NULL, ...
https://dev.mysql.com/doc/refman/5.7/en/optimizing-queries-myisam.html
MyISAM supports concurrent inserts: If a table has no free blocks in the middle of the data file, you can INSERT new rows into it at the same time that other threads are reading from the table. You can force new rows to be appended (and therefore ...
https://dev.mysql.com/doc/refman/5.7/en/out-of-range-and-overflow.html
In strict mode, these statements fail, and some or all the values are not inserted or changed, depending on whether the table is a transactional table and other factors. If no restrictive modes are enabled, MySQL clips the value to the appropriate ...
https://dev.mysql.com/doc/refman/5.7/en/partitioning-hash.html
You should also keep in mind that this expression is evaluated each time a row is inserted or updated (or possibly deleted); this means that very complex expressions may give rise to performance issues, particularly when performing operations (such ... Partitioning by HASH is used primarily to ensure an even distribution of data among a predetermined number of ...