今天自己給程序嵌套了fmdb,學習了fmdb的用法,總結一下經驗,主要是查詢是用like和NSSting結合,在這裏我只粘貼sql語句
1:以什麼開頭
NSString *selectString = [NSString stringWithFormat:@"SELECT * FROM person WHERE person_name LIKE '%@%%'",name];
2:包含什麼
NSString *selectString = [NSString stringWithFormat:@"SELECT * FROM person WHERE person_name LIKE '%%%@%%'",name];
3:以什麼爲結尾
NSString *selectString = [NSString stringWithFormat:@"SELECT * FROM person WHERE person_name LIKE '%%%@'",name];
最後貼上常規的sql語句
1:以什麼爲開頭
SELECT * FROM Persons WHERE City LIKE 'N%'
2:包含什麼
SELECT * FROM Persons WHERE City LIKE '%lon%'
3:以什麼爲結尾
SELECT * FROM Persons WHERE City LIKE '%g'