sql = "select pro_out.*,pro.name from pro_out left join pro
$sql = "select tb_note.*,answ.* from tb_note left join";这句话解
sql 中 select * from A left join B on A.id=B.id where A.id=?如
sql函数,select count(A.abc) as sum from A left join B on A.id=
sql="select P.*,T.name as Typename from tb_function P inner
if (pastart = -1) sql.append("select * from("); sql.append("
sql中left join from 多个表怎么写
sql.append(" SELECT * FROM test_user
String sql = "select * from tb_consumer where account='" + a
请问sql="select * from 招聘信息 order by id
SQL >select count(*) from Teacher where teacherCode=? and te
sql="select discount_value from shop_discount where discount
SQL语句:SELECT * from stu where name like "%伟%";的作用是:_________