ora12704
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郁邱17897397177:
oracle存储过程中带空值的输入怎么写?COALESCE()函数用错了吗? -
58014韶店
: 空值 ,你直接用NVL不就行了.open cusers for select * from C_USERS where logintime >= NVL(start_time,logintime)and logintimeand username = NVL(name,username)and truename = NVL(tname,truename);