1. INNER JOIN(内连接)
代码语言:javascript
复制SELECT * FROM Table_A A INNER JOIN Table_B B ON A.Key = B.Key;
2. LEFT JOIN(左连接)
代码语言:javascript
复制SELECT * FROM Table_A A LEFT JOIN Table_B B ON A.Key = B.Key;
3. RIGHT JOIN(右连接)
代码语言:javascript
复制SELECT *FROM Table_A A RIGHT JOIN Table_B B ON A.Key = B.Key;
4. OUTER JOIN(外连接)
代码语言:javascript
复制SELECT * FROM Table_A A FULL OUTER JOIN Table_B B ON A.Key = B.Key;
5. LEFT JOIN EXCLUDING INNER JOIN(左连接-内连接)
代码语言:javascript
复制SELECT * FROM Table_A A LEFT JOIN Table_B B ON A.Key = B.Key WHERE B.Key IS NULL;
6. RIGHT JOIN EXCLUDING INNER JOIN(右连接-内连接)
代码语言:javascript
复制SELECT * FROM Table_A A RIGHT JOIN Table_B B ON A.Key = B.Key WHERE A.Key IS NULL;
7. OUTER JOIN EXCLUDING INNER JOIN(外连接-内连接)
代码语言:javascript
复制SELECT * FROM Table_A A FULL OUTER JOIN Table_B B ON A.Key = B.Key WHERE A.Key IS NULL OR B.Key IS NULL;