语言
SQL 快速参考
SQL 快速参考 的可打印速查表,适合快速查阅、学习和桌边参考
示例
速查表包含什么
- SELECT
- WHERE
- JOIN
- INSERT / UPDATE / DELETE
- CREATE TABLE
- 聚合函数
- GROUP BY / HAVING
- ORDER BY / LIMIT
- 子查询
- 索引
SELECT * FROM users;
SELECT name, email FROM users;
SELECT DISTINCT city FROM users;
SELECT name AS full_name FROM users;
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