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SELECT * FROM `help_topic` ORDER BY `url`  ASC
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完整内容 help_topic_id name help_category_id description example url 递增 递减 1
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DELETE FROM `help_topic` WHERE `help_topic`.`help_topic_id` = 109
 		109 HELP_DATE 9 This help information was generated from the MySQL...
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DELETE FROM `help_topic` WHERE `help_topic`.`help_topic_id` = 190
 		190 HELP_VERSION 9 This help information was generated from the MySQL...
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DELETE FROM `help_topic` WHERE `help_topic`.`help_topic_id` = 161
 		161 ~ 19 Syntax:
~

Invert all bits.

URL: https://mariadb....		 
MariaDB> SELECT 5 & ~1;
        -> 4
https://mariadb.com/kb/en/3489/
编辑 编辑 复制 复制 删除 删除
DELETE FROM `help_topic` WHERE `help_topic`.`help_topic_id` = 90
 		90 ABS 4 Syntax:
ABS(X)

Returns the absolute value of X.

...		 
MariaDB> SELECT ABS(2);
        -> 2
MariaDB> SELE...
https://mariadb.com/kb/en/abs/
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DELETE FROM `help_topic` WHERE `help_topic`.`help_topic_id` = 446
 		446 ACOS 4 Syntax:
ACOS(X)

Returns the arc cosine of X, that...		 
MariaDB> SELECT ACOS(1);
        -> 0
MariaDB> SEL...
https://mariadb.com/kb/en/acos/
编辑 编辑 复制 复制 删除 删除
DELETE FROM `help_topic` WHERE `help_topic`.`help_topic_id` = 231
 		231 ADDDATE 31 Syntax:
ADDDATE(date,INTERVAL expr unit), ADDDATE(...		 
MariaDB> SELECT ADDDATE('2008-01-02', 31);
       ...
https://mariadb.com/kb/en/adddate/
编辑 编辑 复制 复制 删除 删除
DELETE FROM `help_topic` WHERE `help_topic`.`help_topic_id` = 444
 		444 + 4 Syntax:
+

Addition:

URL: https://mariadb.com/kb/...		 
MariaDB> SELECT 3+5;
        -> 8
https://mariadb.com/kb/en/addition-operator/
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DELETE FROM `help_topic` WHERE `help_topic`.`help_topic_id` = 59
 		59 ADDTIME 31 Syntax:
ADDTIME(expr1,expr2)

ADDTIME() adds expr2...		 
MariaDB> SELECT ADDTIME('2007-12-31 23:59:59.99999...
https://mariadb.com/kb/en/addtime/
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DELETE FROM `help_topic` WHERE `help_topic`.`help_topic_id` = 497
 		497 AES_DECRYPT 12 Syntax:
AES_DECRYPT(crypt_str,key_str)

This funct...		 https://mariadb.com/kb/en/aes_decrypt/
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DELETE FROM `help_topic` WHERE `help_topic`.`help_topic_id` = 443
 		443 AES_ENCRYPT 12 Syntax:
AES_ENCRYPT(str,key_str)

AES_ENCRYPT() an...		 
INSERT INTO t VALUES (1,AES_ENCRYPT('text','passwo...
https://mariadb.com/kb/en/aes_encrypt/
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DELETE FROM `help_topic` WHERE `help_topic`.`help_topic_id` = 212
 		212 ALTER DATABASE 39 Syntax:
ALTER {DATABASE | SCHEMA} [db_name]
   al...		 https://mariadb.com/kb/en/alter-database/
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DELETE FROM `help_topic` WHERE `help_topic`.`help_topic_id` = 406
 		406 ALTER EVENT 39 Syntax:
ALTER
   [DEFINER = { user | CURRENT_USER...		 https://mariadb.com/kb/en/alter-event/
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DELETE FROM `help_topic` WHERE `help_topic`.`help_topic_id` = 233
 		233 ALTER FUNCTION 39 Syntax:
ALTER FUNCTION func_name [characteristic ....		 https://mariadb.com/kb/en/alter-function/
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DELETE FROM `help_topic` WHERE `help_topic`.`help_topic_id` = 226
 		226 ALTER LOGFILE GROUP 39 Syntax:
ALTER LOGFILE GROUP logfile_group
   ADD ...		 https://mariadb.com/kb/en/alter-logfile-group/
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DELETE FROM `help_topic` WHERE `help_topic`.`help_topic_id` = 439
 		439 ALTER PROCEDURE 39 Syntax:
ALTER PROCEDURE proc_name [characteristic ...		 https://mariadb.com/kb/en/alter-procedure/
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DELETE FROM `help_topic` WHERE `help_topic`.`help_topic_id` = 373
 		373 ALTER SERVER 39 Syntax:
ALTER SERVER  server_name
   OPTIONS (opt...		 
ALTER SERVER s OPTIONS (USER 'sally');
https://mariadb.com/kb/en/alter-server/
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DELETE FROM `help_topic` WHERE `help_topic`.`help_topic_id` = 463
 		463 ALTER TABLE 39 Syntax:
ALTER [ONLINE | OFFLINE] [IGNORE] TABLE tb...		 https://mariadb.com/kb/en/alter-table/
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DELETE FROM `help_topic` WHERE `help_topic`.`help_topic_id` = 478
 		478 ALTER TABLESPACE 39 Syntax:
ALTER TABLESPACE tablespace_name
   {ADD|...		 https://mariadb.com/kb/en/alter-tablespace/
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DELETE FROM `help_topic` WHERE `help_topic`.`help_topic_id` = 159
 		159 ALTER VIEW 39 Syntax:
ALTER
   [ALGORITHM = {UNDEFINED | MERGE ...		 https://mariadb.com/kb/en/alter-view/
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DELETE FROM `help_topic` WHERE `help_topic`.`help_topic_id` = 470
 		470 ANALYZE TABLE 20 Syntax:
ANALYZE [NO_WRITE_TO_BINLOG | LOCAL] TABLE...		 https://mariadb.com/kb/en/analyze-table/
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DELETE FROM `help_topic` WHERE `help_topic`.`help_topic_id` = 316
 		316 && 15 Syntax:
AND, &&

Logical AND. Evaluates to 1 if al...		 
MariaDB> SELECT 1 && 1;
        -> 1
MariaDB> SELE...
https://mariadb.com/kb/en/and/
编辑 编辑 复制 复制 删除 删除
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/
编辑 编辑 复制 复制 删除 删除
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` = 220
 		220 ASCII 37 Syntax:
ASCII(str)

Returns the numeric value of t...		 
MariaDB> SELECT ASCII('2');
        -> 50
MariaDB>...
https://mariadb.com/kb/en/ascii/
编辑 编辑 复制 复制 删除 删除
DELETE FROM `help_topic` WHERE `help_topic`.`help_topic_id` = 165
 		165 ASIN 4 Syntax:
ASIN(X)

Returns the arc sine of X, that i...		 
MariaDB> SELECT ASIN(0.2);
        -> 0.2013579207...
https://mariadb.com/kb/en/asin/
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