SELECT * FROM [TABLE NAME] WHERE [FIELD NAME] LIKE '%XX%';
SELECT * FROM [TABLE NAME] WHERE INSTR([FIELD NAME], 'XX') > 0;
而且,INSTR 还有更有用的功效

SELECT * FROM [TABLE NAME] WHERE INSTR('XXXXX', [FIELD NAME]) > 0;
转载于:https://www.cnblogs.com/sjcatsoft/archive/2005/08/04/207207.html