将文件拖动至此

SQL upload ( 0 ) x-

服务器: localhost »数据库: mysql »表: help_topic"help topics"
页面相关设置点击以滚动到页面顶部
按 Ctrl+Enter 键执行查询
x
 
递增排序
递减排序
命令:
调试 SQL
数量
运行顺序
用时
排序条件:
联合查询
不使用联合查询
崩溃 扩展 显示跟踪 隐藏跟踪 记录数: 用时:
书签
刷新
添加
没有书签
添加书签
xxxxxxxxxx
 
选项
恢复默认





崩溃 扩展 重新查询 编辑 解析 性能分析 书签 查询失败 数据库: 查询时间:

浏览模式

自定义浏览模式。

文档 仅使用图标、文字或都使用。
文档 仅使用图标、文字或都使用。
文档 Whether a user should be displayed a "show all (rows)" button.
文档 浏览结果集时显示的行数。若结果集总行数超过该值,将会显示 "上一页" 和 "下一页" 的链接。
文档 SMART - 即对 TIME、DATE、DATETIME 和 TIMESTAMP 类型的字段递减排序,其它字段递增。
文档 高亮鼠标指针所在的行。
文档 高亮选中的行。
文档
文档
文档 每 X 单元格重复表头,要禁止此功能请设为 0
文档 浏览非数字字段时最多显示的字数。
文档 这些是编辑、复制和删除链接。
文档 缺少唯一键时是否显示行链接。
文档 默认用主键为表排序。
文档 当浏览表时使用上次的排序方式。
文档 显示选项
正在显示第 0 - 24 行 (共 508 行, 查询花费 0.0010 秒。)
SELECT * FROM `help_topic`
SELECT * FROM `help_topic`

完整内容 help_topic_id name help_category_id description example url
0 MIN 16 Syntax:
MIN([DISTINCT] expr)

Returns the minimum ...
MariaDB> SELECT student_name, MIN(test_score), MAX...
MariaDB> SELECT student_name, MIN(test_score), MAX...
https://mariadb.com/kb/en/min/
1 JOIN 27 MySQL supports the following JOIN syntaxes for the...
SELECT left_tbl.*
  FROM left_tbl LEFT JOIN right_...
SELECT left_tbl.* FROM left_tbl LEFT JOIN right_...
https://mariadb.com/kb/en/join-syntax/
2 HEX 37 Syntax:
HEX(str), HEX(N)

For a string argument st...
MariaDB> SELECT 0x616263, HEX('abc'), UNHEX(HEX('a...
MariaDB> SELECT 0x616263, HEX('abc'), UNHEX(HEX('a...
https://mariadb.com/kb/en/hex/
3 REPLACE 27 Syntax:
REPLACE [LOW_PRIORITY | DELAYED]
   [INTO...
https://mariadb.com/kb/en/replace/
4 CONTAINS 30 Contains(g1,g2)

Returns 1 or 0 to indicate whethe...
https://mariadb.com/kb/en/contains/
5 SRID 36 SRID(g)

Returns an integer indicating the Spatial...
MariaDB> SELECT SRID(GeomFromText('LineString(1 1,...
MariaDB> SELECT SRID(GeomFromText('LineString(1 1,...
https://mariadb.com/kb/en/srid/
6 CURRENT_TIMESTAMP 31 Syntax:
CURRENT_TIMESTAMP, CURRENT_TIMESTAMP()

CU...
https://mariadb.com/kb/en/current_timestamp/
7 SHOW CONTRIBUTORS 26 Syntax:
SHOW CONTRIBUTORS

The SHOW CONTRIBUTORS s...
https://mariadb.com/kb/en/show-contributors/
8 VARIANCE 16 Syntax:
VARIANCE(expr)

Returns the population sta...
https://mariadb.com/kb/en/variance/
9 DROP SERVER 39 Syntax:
DROP SERVER [ IF EXISTS ] server_name

Dro...
https://mariadb.com/kb/en/drop-server/
10 SHOW AUTHORS 26 Syntax:
SHOW AUTHORS

The SHOW AUTHORS statement d...
https://mariadb.com/kb/en/show-authors/
11 VAR_SAMP 16 Syntax:
VAR_SAMP(expr)

Returns the sample varianc...
https://mariadb.com/kb/en/var_samp/
12 CONCAT 37 Syntax:
CONCAT(str1,str2,...)

Returns the string ...
MariaDB> SELECT CONCAT('My', 'S', 'QL');
        -...
MariaDB> SELECT CONCAT('My', 'S', 'QL'); -...
https://mariadb.com/kb/en/concat/
13 GEOMETRY HIERARCHY 34 Geometry is the base class. It is an abstract clas... https://mariadb.com/kb/en/geometry-hierarchy/
14 CHAR FUNCTION 37 Syntax:
CHAR(N,... [USING charset_name])

CHAR() i...
MariaDB> SELECT CHAR(77,121,83,81,'76');
        -...
MariaDB> SELECT CHAR(77,121,83,81,'76'); -...
https://mariadb.com/kb/en/char-function/
15 DATETIME 22 DATETIME

A date and time combination. The support...
https://mariadb.com/kb/en/datetime/
16 SHOW CREATE TRIGGER 26 Syntax:
SHOW CREATE TRIGGER trigger_name

This sta...
https://mariadb.com/kb/en/show-create-trigger/
17 SHOW CREATE PROCEDURE 26 Syntax:
SHOW CREATE PROCEDURE proc_name

This stat...
MariaDB> SHOW CREATE PROCEDURE test.simpleproc\G
*...
MariaDB> SHOW CREATE PROCEDURE test.simpleproc\G *...
https://mariadb.com/kb/en/show-create-procedure/
18 OPEN 23 Syntax:
OPEN cursor_name

This statement opens a p...
https://mariadb.com/kb/en/open/
19 INTEGER 22 INTEGER[(M)] [UNSIGNED] [ZEROFILL]

This type is a...
https://mariadb.com/kb/en/sql_language-data_types-int
20 LOWER 37 Syntax:
LOWER(str)

Returns the string str with al...
https://mariadb.com/kb/en/lower/
21 SHOW COLUMNS 26 Syntax:
SHOW [FULL] COLUMNS {FROM | IN} tbl_name [...
https://mariadb.com/kb/en/show-columns/
22 CREATE TRIGGER 39 Syntax:
CREATE
   [DEFINER = { user | CURRENT_USE...
https://mariadb.com/kb/en/create-trigger/
23 MONTH 31 Syntax:
MONTH(date)

Returns the month for date, i...
MariaDB> SELECT MONTH('2008-02-03');
        -> 2

MariaDB> SELECT MONTH('2008-02-03'); -> 2
https://mariadb.com/kb/en/month/
24 TINYINT 22 TINYINT[(M)] [UNSIGNED] [ZEROFILL]

A very small i...
https://mariadb.com/kb/en/tinyint/