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https://dev.mysql.com/doc/refman/5.7/en/spatial-type-overview.html
MySQL has spatial data types that correspond to OpenGIS classes. The basis for these types is described in Section 11.4.2, “The OpenGIS Geometry Model”. Some spatial data types hold single geometry values: GEOMETRY POINT LINESTRING POLYGON ...
https://dev.mysql.com/doc/refman/5.7/en/features.html
Data Types Many data types: signed/unsigned integers 1, 2, 3, 4, and 8 bytes long, FLOAT, DOUBLE, CHAR, VARCHAR, BINARY, VARBINARY, TEXT, BLOB, DATE, TIME, DATETIME, TIMESTAMP, YEAR, SET, ENUM, and OpenGIS spatial types. The maximum index width for ... This section describes some of the important characteristics of the MySQL Database ...
https://dev.mysql.com/doc/refman/5.7/en/fulltext-boolean.html
| +----+-----------------------+-------------------------------------+ Note In implementing this feature, MySQL uses what is sometimes referred to as implied Boolean logic, in which + stands for AND - stands for NOT [no operator] implies OR Boolean ... MySQL can perform boolean full-text searches using the IN BOOLEAN MODE ...
https://dev.mysql.com/doc/refman/5.7/en/performance-schema-table-descriptions.html
Tables in the performance_schema database can be grouped as follows: Setup tables. The events_waits_current table contains the most recent event for each thread. Other similar tables contain current events at different levels of the event ...
https://dev.mysql.com/doc/refman/5.7/en/libmysqld-restrictions.html
As of MySQL 5.7.8, the default value for this directory can be set at build time with the INSTALL_SECURE_FILE_PRIV_EMBEDDEDDIR CMake option. The embedded server has the following limitations: No loadable functions. You cannot set this up as a ...
https://dev.mysql.com/doc/refman/5.7/en/bug-reports.html
If you get a parse error for an SQL statement, please check your syntax closely. For solutions to some common problems, see Section B.3, “Problems and Common Errors”. Writing a good bug report takes patience, but doing it right the first time ...
https://dev.mysql.com/doc/refman/5.7/en/flush.html
This operation does not perform an implicit UNLOCK TABLES, so an error results if you perform the operation while there is any active LOCK TABLES or use it a second time without first releasing the locks acquired. FLUSH DES_KEY_FILE Reloads the DES ...| table_synonym WITH READ LOCK | table_synonym tbl_name [, tbl_name] ...
https://dev.mysql.com/doc/refman/5.7/en/binary-log.html
The source sends the events contained in its binary log to its replicas, which execute those events to make the same data changes that were made on the source. After a backup has been restored, the events in the binary log that were recorded after ... The binary log contains “events” that describe database changes such as table creation operations or changes to table ...
https://dev.mysql.com/doc/refman/5.7/en/gis-class-curve.html
A Curve is a one-dimensional geometry, usually represented by a sequence of points. Particular subclasses of Curve define the type of interpolation between points. A Curve is simple if it does not pass through the same point twice, with the ...
https://dev.mysql.com/doc/refman/5.7/en/numeric-types.html
These types include the exact numeric data types (INTEGER, SMALLINT, DECIMAL, and NUMERIC), as well as the approximate numeric data types (FLOAT, REAL, and DOUBLE PRECISION). The keyword INT is a synonym for INTEGER, and the keywords DEC and FIXED ...