https://dev.mysql.com/flush.html
At this point, the tables are locked and quiescent: The tables are in a transactionally consistent state on disk and you can copy the .ibd tablespace files along with the corresponding .cfg files to get a consistent snapshot of those tables. | ...
https://dev.mysql.com/fulltext-natural-language.html
By default or with the IN NATURAL LANGUAGE MODE modifier, the MATCH() function performs a natural language search for a string against a text collection. A collection is a set of one or more columns included in a FULLTEXT index. For each row in the ...
https://dev.mysql.com/functions.html
Expressions can be used at several points in SQL statements, such as in the ORDER BY or HAVING clauses of SELECT statements, in the WHERE clause of a SELECT, DELETE, or UPDATE statement, or in SET statements. Expressions can be written using ...
https://dev.mysql.com/gis-class-geometrycollection.html
Restrictions may be based on: Element type (for example, a MultiPoint may contain only Point elements) Dimension Constraints on the degree of spatial overlap between elements . A GeomCollection is a geometry that is a collection of zero or more ...
https://dev.mysql.com/gis-class-multisurface.html
Surfaces within a MultiSurface have boundaries that intersect at most at a finite number of points. A MultiSurface is a geometry collection composed of surface elements. MultiSurface Assertions Surfaces within a MultiSurface have no interiors that ...
https://dev.mysql.com/gis-format-conversion-functions.html
mysql> SET @g = 'LineString(1 1,2 2,3 3)'; mysql> SELECT ST_AsText(ST_GeomFromText(@g)); +--------------------------------+ | ST_AsText(ST_GeomFromText(@g)) | +--------------------------------+ | LINESTRING(1 1,2 2,3 3) | ... MySQL supports the ...
https://dev.mysql.com/global-error-reference.html
This section lists “global” error messages that are shared in the sense that they can be produced by the MySQL server or by MySQL client programs. These errors have error codes in the range from 1 to 999. Each global error message includes an ...
https://dev.mysql.com/gone-away.html
This is because MySQL is dependent on the host system for name resolution, but has no way of knowing whether it is working—from MySQL's point of view the problem is indistinguishable from any other network timeout. This section also covers the ...
https://dev.mysql.com/group-by-modifiers.html
However, at this point, you cannot distinguish whether a NULL represents a regular grouped value or a super-aggregate value. The GROUP BY clause permits a WITH ROLLUP modifier that causes summary output to include extra rows that represent ...
https://dev.mysql.com/group-replication-background.html
There is a built-in group membership service that keeps the view of the group consistent and available for all servers at any given point in time. The most common way to create a fault-tolerant system is to resort to making components redundant, in ...
