sql三表联查（以及sql的当前时间）

sql复制代码

SELECT t1.column1, t2.column2, t3.column3
FROM table1 AS t1
JOIN table2 AS t2 ON t1.key = t2.key
JOIN table3 AS t3 ON t2.key = t3.key;


sql语句默认时间关键字{getdate()}