常用的SQL语句大全
2012-11-17 09:28
323 查看
语句 | 语法 |
---|---|
AND / OR | SELECT column_name(s) FROM table_name WHERE condition AND|OR condition |
ALTER TABLE (add column) | ALTER TABLE table_name ADD column_name datatype |
ALTER TABLE (drop column) | ALTER TABLE table_name DROP COLUMN column_name |
AS (alias for column) | SELECT column_name AS column_alias FROM table_name |
AS (alias for table) | SELECT column_name FROM table_name AS table_alias |
BETWEEN | SELECT column_name(s) FROM table_name WHERE column_name BETWEEN value1 AND value2 |
CREATE DATABASE | CREATE DATABASE database_name |
CREATE INDEX | CREATE INDEX index_name ON table_name (column_name) |
CREATE TABLE | CREATE TABLE table_name ( column_name1 data_type, column_name2 data_type, ....... ) |
CREATE UNIQUE INDEX | CREATE UNIQUE INDEX index_name ON table_name (column_name) |
CREATE VIEW | CREATE VIEW view_name AS SELECT column_name(s) FROM table_name WHERE condition |
DELETE FROM | DELETE FROM table_name (Note: Deletes the entire table!!) or DELETE FROM table_name WHERE condition |
DROP DATABASE | DROP DATABASE database_name |
DROP INDEX | DROP INDEX table_name.index_name |
DROP TABLE | DROP TABLE table_name |
GROUP BY | SELECT column_name1,SUM(column_name2) FROM table_name GROUP BY column_name1 |
H***ING | SELECT column_name1,SUM(column_name2) FROM table_name GROUP BY column_name1 H***ING SUM(column_name2) condition value |
IN | SELECT column_name(s) FROM table_name WHERE column_name IN (value1,value2,..) |
INSERT INTO | INSERT INTO table_name VALUES (value1, value2,....) or INSERT INTO table_name (column_name1, column_name2,...) VALUES (value1, value2,....) |
LIKE | SELECT column_name(s) FROM table_name WHERE column_name LIKE pattern |
ORDER BY | SELECT column_name(s) FROM table_name ORDER BY column_name [ASC|DESC] |
SELECT | SELECT column_name(s) FROM table_name |
SELECT * | SELECT * FROM table_name |
SELECT DISTINCT | SELECT DISTINCT column_name(s) FROM table_name |
SELECT INTO (used to create backup copies of tables) | SELECT * INTO new_table_name FROM original_table_name or SELECT column_name(s) INTO new_table_name FROM original_table_name |
TRUNCATE TABLE (deletes only the data inside the table) | TRUNCATE TABLE table_name |
UPDATE | UPDATE table_name SET column_name=new_value [, column_name=new_value] WHERE column_name=some_value |
WHERE | SELECT column_name(s) FROM table_name WHERE condition |
相关文章推荐
- SQL语句使用大全,最常用的sql语句
- 常用SQL语句实例大全(含过滤及删除重复数据、导入导出数据等)
- 日常收集常用SQL查询语句大全
- 常用 SQL 语句大全
- PHP与SQL语句常用大全
- [MS SQL]常用SQL语句大全1-基本操作
- 经典SQL语句大全、50个常用的sql语句
- 常用的SQL语句大全-单表操作
- [MS SQL]常用SQL语句大全2-技巧
- 常用经典SQL语句大全(基础)
- 关系数据库常用SQL语句语法大全
- 常用SQL 语句大全
- 经典SQL语句大全以及50个常用的sql语句
- SQL语句使用大全,最常用的sql语句
- 常用的SQL语句大全
- SQL语句大全(几乎所有常用的示例,包括省市号码源码)
- SQL常用语句大全
- SQL语句使用大全,最常用的sql语句
- 经典MSSQL语句大全和常用SQL语句命令的作用
- 经典SQL语句大全、50个常用的sql语句