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https://dev.mysql.com/doc/refman/5.7/en/fractional-seconds.html
MySQL has fractional seconds support for TIME, DATETIME, and TIMESTAMP values, with up to microseconds (6 digits) precision: To define a column that includes a fractional seconds part, use the syntax type_name(fsp), where type_name is TIME, ...
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/gis-class-linestring.html
A LineString is a Curve with linear interpolation between points. LineString Examples On a world map, LineString objects could represent rivers. LineString Properties A LineString has coordinates of segments, defined by each consecutive pair of ...
https://dev.mysql.com/doc/refman/5.7/en/gis-class-multicurve.html
A MultiCurve is a geometry collection composed of Curve elements. A MultiCurve is simple if and only if all of its elements are simple; the only intersections between any two elements occur at points that are on the boundaries of both elements. A ...
https://dev.mysql.com/doc/refman/5.7/en/gis-class-multipolygon.html
A MultiPolygon is a MultiSurface object composed of Polygon elements. MultiPolygon Examples On a region map, a MultiPolygon could represent a system of lakes. MultiPolygon Assertions A MultiPolygon has no two Polygon elements with interiors that ...
https://dev.mysql.com/doc/refman/5.7/en/gis-class-polygon.html
A Polygon is a planar Surface representing a multisided geometry. It is defined by a single exterior boundary and zero or more interior boundaries, where each interior boundary defines a hole in the Polygon. Polygon Examples On a region map, ...
https://dev.mysql.com/doc/refman/5.7/en/information-schema-collation-character-set-applicability-table.html
The COLLATION_CHARACTER_SET_APPLICABILITY table indicates what character set is applicable for what collation. CHARACTER_SET_NAME The name of the character set with which the collation is associated. Notes The COLLATION_CHARACTER_SET_APPLICABILITY ...
https://dev.mysql.com/doc/refman/5.7/en/information-schema-column-privileges-table.html
The COLUMN_PRIVILEGES table has these columns: GRANTEE The name of the account to which the privilege is granted, in 'user_name'@'host_name' format. TABLE_CATALOG The name of the catalog to which the table containing the column belongs. TABLE_SCHEMA ...
https://dev.mysql.com/doc/refman/5.7/en/information-schema-general-table-reference.html
The following table summarizes INFORMATION_SCHEMA general tables. For greater detail, see the individual table descriptions. Table 24.2 INFORMATION_SCHEMA General Tables Table Name Description CHARACTER_SETS Available character sets ...
https://dev.mysql.com/doc/refman/5.7/en/information-schema-innodb-lock-waits-table.html
The INNODB_LOCK_WAITS table contains one or more rows for each blocked InnoDB transaction, indicating the lock it has requested and any locks that are blocking that request. Note This table is deprecated as of MySQL 5.7.14 and is removed in MySQL ...