King John was forced by the barons to sign the which restricted king's power. A: Bill of Rights B: Petition of Righ C: Provisions of Oxford D: Great Charter

查询订购单号 (字符型. 长度为4) 尾字符是 "1" 的错误命令是 A: SELECT * FROM 订单 WHERE SUBSTR( 订购单号 , 4)= "1" B: SELECT * FROM 订单 WHERE SUBS TR( 订购单号, 4,1)=" 1 " C: SELECT * FROM 订单 WHERE "1"$ 订购单号 D: SELECT * FROM 订单 WHERE RIGH T( 订购单号 , 1)="1"