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SELECT * FROM `help_topic` ORDER BY `description`  ASC
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完整内容 help_topic_id name help_category_id description 递增 递减 1 example url
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DELETE FROM `help_topic` WHERE `help_topic`.`help_topic_id` = 71
 		71 = 18 =

Equal:

URL: https://mariadb.com/kb/en/equal/

 
MariaDB> SELECT 1 = 0;
        -> 0
MariaDB> SELEC...
https://mariadb.com/kb/en/equal/
编辑 编辑 复制 复制 删除 删除
DELETE FROM `help_topic` WHERE `help_topic`.`help_topic_id` = 75
 		75 BLOB DATA TYPE 22 A BLOB is a binary large object that can hold a va... https://mariadb.com/kb/en/sql_language-data_types-blob/
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DELETE FROM `help_topic` WHERE `help_topic`.`help_topic_id` = 325
 		325 AREA 2 Area(poly)

Returns as a double-precision number t...		 
MariaDB> SET @poly = 'Polygon((0 0,0 3,3 0,0 0),(1...
https://mariadb.com/kb/en/area/
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DELETE FROM `help_topic` WHERE `help_topic`.`help_topic_id` = 292
 		292 ASBINARY 32 AsBinary(g), AsWKB(g)

Converts a value in interna...		 
SELECT AsBinary(g) FROM geom;
https://mariadb.com/kb/en/asbinary/
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DELETE FROM `help_topic` WHERE `help_topic`.`help_topic_id` = 178
 		178 ASTEXT 3 AsText(g), AsWKT(g)

Converts a value in internal ...		 
MariaDB> SET @g = 'LineString(1 1,2 2,3 3)';
Maria...
https://mariadb.com/kb/en/astext/
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DELETE FROM `help_topic` WHERE `help_topic`.`help_topic_id` = 128
 		128 BIGINT 22 BIGINT[(M)] [UNSIGNED] [ZEROFILL]

A large integer...		 https://mariadb.com/kb/en/bigint/
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DELETE FROM `help_topic` WHERE `help_topic`.`help_topic_id` = 74
 		74 BINARY 22 BINARY(M)

The BINARY type is similar to the CHAR ...		 https://mariadb.com/kb/en/binary/
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DELETE FROM `help_topic` WHERE `help_topic`.`help_topic_id` = 434
 		434 BIT 22 BIT[(M)]

A bit-field type. M indicates the number...		 https://mariadb.com/kb/en/bit/
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DELETE FROM `help_topic` WHERE `help_topic`.`help_topic_id` = 426
 		426 BLOB 22 BLOB[(M)]

A BLOB column with a maximum length of ...		 https://mariadb.com/kb/en/blob/
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DELETE FROM `help_topic` WHERE `help_topic`.`help_topic_id` = 111
 		111 BOOLEAN 22 BOOL, BOOLEAN

These types are synonyms for TINYIN...		 https://mariadb.com/kb/en/boolean/
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DELETE FROM `help_topic` WHERE `help_topic`.`help_topic_id` = 76
 		76 BOUNDARY 36 Boundary(g)

Returns a geometry that is the closur...		 https://mariadb.com/kb/en/boundary/
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DELETE FROM `help_topic` WHERE `help_topic`.`help_topic_id` = 4
 		4 CONTAINS 30 Contains(g1,g2)

Returns 1 or 0 to indicate whethe...		 https://mariadb.com/kb/en/contains/
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DELETE FROM `help_topic` WHERE `help_topic`.`help_topic_id` = 320
 		320 CROSSES 30 Crosses(g1,g2)

Returns 1 if g1 spatially crosses ...		 https://mariadb.com/kb/en/crosses/
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DELETE FROM `help_topic` WHERE `help_topic`.`help_topic_id` = 132
 		132 DATE 22 DATE

A date. The supported range is '1000-01-01' ...		 https://mariadb.com/kb/en/date/
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DELETE FROM `help_topic` WHERE `help_topic`.`help_topic_id` = 15
 		15 DATETIME 22 DATETIME

A date and time combination. The support...		 https://mariadb.com/kb/en/datetime/
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DELETE FROM `help_topic` WHERE `help_topic`.`help_topic_id` = 209
 		209 DECIMAL 22 DECIMAL[(M[,D])] [UNSIGNED] [ZEROFILL]

A packed "...		 https://mariadb.com/kb/en/decimal/
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DELETE FROM `help_topic` WHERE `help_topic`.`help_topic_id` = 156
 		156 DEC 22 DEC[(M[,D])] [UNSIGNED] [ZEROFILL], NUMERIC[(M[,D]... https://mariadb.com/kb/en/dec-numeric-fixed/
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DELETE FROM `help_topic` WHERE `help_topic`.`help_topic_id` = 432
 		432 DIMENSION 36 Dimension(g)

Returns the inherent dimension of th...		 
MariaDB> SELECT Dimension(GeomFromText('LineString...
https://mariadb.com/kb/en/dimension/
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DELETE FROM `help_topic` WHERE `help_topic`.`help_topic_id` = 177
 		177 DISJOINT 30 Disjoint(g1,g2)

Returns 1 or 0 to indicate whethe...		 https://mariadb.com/kb/en/disjoint/
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DELETE FROM `help_topic` WHERE `help_topic`.`help_topic_id` = 235
 		235 DOUBLE PRECISION 22 DOUBLE PRECISION[(M,D)] [UNSIGNED] [ZEROFILL], REA... https://mariadb.com/kb/en/double-precision/
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DELETE FROM `help_topic` WHERE `help_topic`.`help_topic_id` = 314
 		314 DOUBLE 22 DOUBLE[(M,D)] [UNSIGNED] [ZEROFILL]

A normal-size...		 https://mariadb.com/kb/en/double/
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DELETE FROM `help_topic` WHERE `help_topic`.`help_topic_id` = 102
 		102 ENDPOINT 13 EndPoint(ls)

Returns the Point that is the endpoi...		 
MariaDB> SET @ls = 'LineString(1 1,2 2,3 3)';
Mari...
https://mariadb.com/kb/en/endpoint/
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DELETE FROM `help_topic` WHERE `help_topic`.`help_topic_id` = 480
 		480 ENUM 22 ENUM('value1','value2',...) [CHARACTER SET charset... https://mariadb.com/kb/en/enum/
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DELETE FROM `help_topic` WHERE `help_topic`.`help_topic_id` = 238
 		238 ENVELOPE 36 Envelope(g)

Returns the Minimum Bounding Rectangl...		 
MariaDB> SELECT AsText(Envelope(GeomFromText('Line...
https://mariadb.com/kb/en/envelope/
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DELETE FROM `help_topic` WHERE `help_topic`.`help_topic_id` = 435
 		435 EQUALS 30 Equals(g1,g2)

Returns 1 or 0 to indicate whether ...		 https://mariadb.com/kb/en/equals/
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