| 编辑 | 复制 | 删除 DELETE FROM `help_topic` WHERE `help_topic`.`help_topic_id` = 0 | 0 |
JOIN |
28 |
MySQL supports the following JOIN syntaxes for the... |
SELECT left_tbl.*
FROM left_tbl LEFT JOIN right_...
|
http://dev.mysql.com/doc/refman/5.6/en/join.html |
| 编辑 | 复制 | 删除 DELETE FROM `help_topic` WHERE `help_topic`.`help_topic_id` = 1 | 1 |
HEX |
38 |
Syntax:
HEX(str), HEX(N)
For a string argument st... |
mysql> SELECT 0x616263, HEX('abc'), UNHEX(HEX('abc...
|
http://dev.mysql.com/doc/refman/5.6/en/string-functions.html |
| 编辑 | 复制 | 删除 DELETE FROM `help_topic` WHERE `help_topic`.`help_topic_id` = 2 | 2 |
CONTAINS |
31 |
Contains(g1,g2)
Returns 1 or 0 to indicate whethe... |
|
http://dev.mysql.com/doc/refman/5.6/en/functions-for-testing-spatial-relations-between-geometric-objects.html |
| 编辑 | 复制 | 删除 DELETE FROM `help_topic` WHERE `help_topic`.`help_topic_id` = 3 | 3 |
SRID |
37 |
SRID(g)
Returns an integer indicating the Spatial... |
mysql> SELECT SRID(GeomFromText('LineString(1 1,2 ...
|
http://dev.mysql.com/doc/refman/5.6/en/geometry-property-functions.html |
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SHOW CONTRIBUTORS |
27 |
Syntax:
SHOW CONTRIBUTORS
The SHOW CONTRIBUTORS s... |
|
http://dev.mysql.com/doc/refman/5.6/en/show-contributors.html |
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VARIANCE |
16 |
Syntax:
VARIANCE(expr)
Returns the population sta... |
|
http://dev.mysql.com/doc/refman/5.6/en/group-by-functions.html |
| 编辑 | 复制 | 删除 DELETE FROM `help_topic` WHERE `help_topic`.`help_topic_id` = 6 | 6 |
DROP SERVER |
40 |
Syntax:
DROP SERVER [ IF EXISTS ] server_name
Dro... |
|
http://dev.mysql.com/doc/refman/5.6/en/drop-server.html |
| 编辑 | 复制 | 删除 DELETE FROM `help_topic` WHERE `help_topic`.`help_topic_id` = 7 | 7 |
SHOW AUTHORS |
27 |
Syntax:
SHOW AUTHORS
The SHOW AUTHORS statement d... |
|
http://dev.mysql.com/doc/refman/5.6/en/show-authors.html |
| 编辑 | 复制 | 删除 DELETE FROM `help_topic` WHERE `help_topic`.`help_topic_id` = 8 | 8 |
CONCAT |
38 |
Syntax:
CONCAT(str1,str2,...)
Returns the string ... |
mysql> SELECT CONCAT('My', 'S', 'QL');
-> ...
|
http://dev.mysql.com/doc/refman/5.6/en/string-functions.html |
| 编辑 | 复制 | 删除 DELETE FROM `help_topic` WHERE `help_topic`.`help_topic_id` = 9 | 9 |
GEOMETRY HIERARCHY |
35 |
Geometry is the base class. It is an abstract clas... |
|
http://dev.mysql.com/doc/refman/5.6/en/gis-geometry-class-hierarchy.html |
| 编辑 | 复制 | 删除 DELETE FROM `help_topic` WHERE `help_topic`.`help_topic_id` = 10 | 10 |
CHAR FUNCTION |
38 |
Syntax:
CHAR(N,... [USING charset_name])
CHAR() i... |
mysql> SELECT CHAR(77,121,83,81,'76');
-> ...
|
http://dev.mysql.com/doc/refman/5.6/en/string-functions.html |
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SHOW CREATE TRIGGER |
27 |
Syntax:
SHOW CREATE TRIGGER trigger_name
This sta... |
|
http://dev.mysql.com/doc/refman/5.6/en/show-create-trigger.html |
| 编辑 | 复制 | 删除 DELETE FROM `help_topic` WHERE `help_topic`.`help_topic_id` = 12 | 12 |
SHOW CREATE PROCEDURE |
27 |
Syntax:
SHOW CREATE PROCEDURE proc_name
This stat... |
mysql> SHOW CREATE PROCEDURE test.simpleproc\G
***...
|
http://dev.mysql.com/doc/refman/5.6/en/show-create-procedure.html |
| 编辑 | 复制 | 删除 DELETE FROM `help_topic` WHERE `help_topic`.`help_topic_id` = 13 | 13 |
OPEN |
24 |
Syntax:
OPEN cursor_name
This statement opens a p... |
|
http://dev.mysql.com/doc/refman/5.6/en/open.html |
| 编辑 | 复制 | 删除 DELETE FROM `help_topic` WHERE `help_topic`.`help_topic_id` = 14 | 14 |
ST_INTERSECTS |
31 |
ST_Intersects(g1,g2)
Returns 1 or 0 to indicate w... |
|
http://dev.mysql.com/doc/refman/5.6/en/functions-for-testing-spatial-relations-between-geometric-objects.html |
| 编辑 | 复制 | 删除 DELETE FROM `help_topic` WHERE `help_topic`.`help_topic_id` = 15 | 15 |
LOWER |
38 |
Syntax:
LOWER(str)
Returns the string str with al... |
|
http://dev.mysql.com/doc/refman/5.6/en/string-functions.html |
| 编辑 | 复制 | 删除 DELETE FROM `help_topic` WHERE `help_topic`.`help_topic_id` = 16 | 16 |
CREATE TRIGGER |
40 |
Syntax:
CREATE
[DEFINER = { user | CURRENT_USE... |
|
http://dev.mysql.com/doc/refman/5.6/en/create-trigger.html |
| 编辑 | 复制 | 删除 DELETE FROM `help_topic` WHERE `help_topic`.`help_topic_id` = 17 | 17 |
MONTH |
32 |
Syntax:
MONTH(date)
Returns the month for date, i... |
mysql> SELECT MONTH('2008-02-03');
-> 2
|
http://dev.mysql.com/doc/refman/5.6/en/date-and-time-functions.html |
| 编辑 | 复制 | 删除 DELETE FROM `help_topic` WHERE `help_topic`.`help_topic_id` = 18 | 18 |
SHOW TRIGGERS |
27 |
Syntax:
SHOW TRIGGERS [{FROM | IN} db_name]
[L... |
|
http://dev.mysql.com/doc/refman/5.6/en/show-triggers.html |
| 编辑 | 复制 | 删除 DELETE FROM `help_topic` WHERE `help_topic`.`help_topic_id` = 19 | 19 |
REGEXP |
38 |
Syntax:
expr REGEXP pat, expr RLIKE pat
Performs ... |
mysql> SELECT 'Monty!' REGEXP '.*';
-> 1
m...
|
http://dev.mysql.com/doc/refman/5.6/en/regexp.html |
| 编辑 | 复制 | 删除 DELETE FROM `help_topic` WHERE `help_topic`.`help_topic_id` = 20 | 20 |
IF STATEMENT |
24 |
Syntax:
IF search_condition THEN statement_list
... |
|
http://dev.mysql.com/doc/refman/5.6/en/if.html |
| 编辑 | 复制 | 删除 DELETE FROM `help_topic` WHERE `help_topic`.`help_topic_id` = 21 | 21 |
VALIDATE_PASSWORD_STRENGTH |
12 |
Syntax:
VALIDATE_PASSWORD_STRENGTH(str)
Given an ... |
|
http://dev.mysql.com/doc/refman/5.6/en/encryption-functions.html |
| 编辑 | 复制 | 删除 DELETE FROM `help_topic` WHERE `help_topic`.`help_topic_id` = 22 | 22 |
WITHIN |
31 |
Within(g1,g2)
Returns 1 or 0 to indicate whether ... |
|
http://dev.mysql.com/doc/refman/5.6/en/functions-for-testing-spatial-relations-between-geometric-objects.html |
| 编辑 | 复制 | 删除 DELETE FROM `help_topic` WHERE `help_topic`.`help_topic_id` = 23 | 23 |
SHOW PLUGINS |
27 |
Syntax:
SHOW PLUGINS
SHOW PLUGINS displays inform... |
|
http://dev.mysql.com/doc/refman/5.6/en/show-plugins.html |
| 编辑 | 复制 | 删除 DELETE FROM `help_topic` WHERE `help_topic`.`help_topic_id` = 24 | 24 |
PREPARE |
8 |
Syntax:
PREPARE stmt_name FROM preparable_stmt
Th... |
|
http://dev.mysql.com/doc/refman/5.6/en/prepare.html |