Online SQL Compiler
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在线运行和测试SQL查询语句
SELECT * FROM table_name;
SELECT col1, col2 FROM table_name;
WHERE condition
ORDER BY column ASC/DESC
GROUP BY column
HAVING condition
COUNT(), SUM(), AVG(), MIN(), MAX()
=, !=, <, >, <=, >=
AND, OR, NOT
LIKE, IN, BETWEEN
IS NULL, IS NOT NULL
注意: 这是一个在客户端运行的SQL编译器演示,使用示例数据。高级SQL功能和真实数据库连接不可用。非常适合学习和测试基本SQL查询!