DB2中的轉義字符

1、數據庫腳本

CREATE TABLE OLIVER_11(ID INT,VALUE VARCHAR(100));

INSERT INTO OLIVER_11 VALUES(1,'20%');

INSERT INTO OLIVER_11 VALUES(2,'OLIVER_QIN');

INSERT INTO OLIVER_11 VALUES(3,'AA''')

2、以下是DB2的轉義字符

2.1 對“%”的轉義

SELECT * FROM OLIVER_11 WHERE VALUE LIKE '%!%%' ESCAPE '!'

2.2 對"_"下划線的轉義

SELECT * FROM OLIVER_11 WHERE VALUE LIKE '%!_%' ESCAPE '!'

2.3對“'”(單引號)的轉義

SELECT * FROM OLIVER_11 WHERE VALUE LIKE '%''%'

2.4含有字符串拼接的單引號轉義

SELECT VALUE||''||'_YUE'||'' FROM OLIVER_11 WHERE VALUE LIKE '%!_%' ESCAPE '!'