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https://dev.mysql.com/doc/refman/9.7/en/glossary.html
ANSI In ODBC, an alternative method of supporting character sets and other internationalization aspects. backticks Identifiers within MySQL SQL statements must be quoted using the backtick character (`) if they contain special characters or reserved ... These terms are commonly used in information about the MySQL database ...
https://dev.mysql.com/doc/refman/9.7/en/innodb-information-schema-system-tables.html
The FLAG field provides bit level information about table format and storage characteristics. You can extract metadata about schema objects managed by InnoDB using InnoDB INFORMATION_SCHEMA tables. Traditionally, you would get this type of ...
https://dev.mysql.com/doc/refman/9.7/en/multiple-column-indexes.html
MySQL can create composite indexes (that is, indexes on multiple columns). For certain data types, you can index a prefix of the column (see Section 10.3.5, “Column Indexes”). MySQL can use multiple-column indexes for queries that test all the ...
https://dev.mysql.com/doc/refman/9.7/en/mysql-cluster-replication-conflict-resolution.html
Requirements Source Column Control Conflict Resolution Control Conflict Resolution Functions Conflict Resolution Exceptions Table Conflict Detection Status Variables Examples When using a replication setup involving multiple sources (including ...
https://dev.mysql.com/doc/refman/9.7/en/partitioning-columns-range.html
Each value list used to define a partition contains 3 values in the same order; that is, each value list tuple has the form (INT, INT, CHAR(3)), which corresponds to the data types used by columns a, d, and c (in that order). In addition, changing ... Range columns partitioning is similar to range partitioning, but enables you to define partitions using ranges based on multiple column ...
https://dev.mysql.com/doc/refman/9.7/en/partitioning-limitations.html
This means that the speed of these operations is affected by such factors as file system type and characteristics, disk speed, swap space, file handling efficiency of the operating system, and MySQL server options and variables that relate to file ... This section discusses current restrictions and limitations on MySQL partitioning ...
https://dev.mysql.com/doc/refman/9.7/en/query-attributes.html
Query attribute names are transmitted using the character set indicated by the character_set_client system variable. The most visible part of an SQL statement is the text of the statement. Clients can also define query attributes that apply to the ...
https://dev.mysql.com/doc/refman/9.7/en/replication-gtids-concepts.html
A GTID is represented as a pair of coordinates, separated by a colon character (:), as shown here: GTID = source_id:transaction_id The source_id identifies the originating server. A tagged GTID consists of three parts, separated by colon characters, ... A global transaction identifier (GTID) is a unique identifier created and associated with each transaction committed on the server of origin (the ...
https://dev.mysql.com/doc/refman/9.7/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/9.7/en/select.html
[WITH ROLLUP]] [LIMIT {[offset,] row_count | row_count OFFSET offset}] [into_option] [FOR {UPDATE | SHARE} [OF tbl_name [, tbl_name] ...] [NOWAIT | SKIP LOCKED] | LOCK IN SHARE MODE] [into_option] into_option: { INTO OUTFILE 'file_name' [CHARACTER ... SELECT [ALL | DISTINCT | DISTINCTROW ] [HIGH_PRIORITY] [STRAIGHT_JOIN] [SQL_SMALL_RESULT] [SQL_BIG_RESULT] [SQL_BUFFER_RESULT] [SQL_NO_CACHE] [SQL_CALC_FOUND_ROWS] select_expr [, select_expr] ...