试题详情多项选择题关于程序包中的游标说法正确的有（）。A、可定义为％ROWTYPE类型B、Return子句是可选的C、在包的实现体部分必须给出游标的完整声明D、不可以定义Ref游标正确答案：A,C答案解析：关注下方微信公众号，在线模考后查看热门试题View the EWhich two statementsIn which Which two̳Click the A UNIX usYou issuedQ You issue&enspYou need View the EThe DB_BLOCK_C You are working in Given WhichthreeareGiven： What is You are using a recYou are managing a 2Using Oracle&#Which two 为了监视索引的空间使用效率，可以首先分析You have taken a Log
