看别人的代码时看到有个存储过程调用是这样写的:
validate_player(pv_SkinCode => pv_SkinCode);其中,validate_player的定义是:
PROCEDURE validate_player(
pv_SkinCode IN tb_skin.skin_code%TYPE
,pv_OperatorCode IN tb_operator.operator_code%TYPE DEFAULT NULL
)
validate_player(pv_SkinCode => pv_SkinCode);其中,validate_player的定义是:
PROCEDURE validate_player(
pv_SkinCode IN tb_skin.skin_code%TYPE
,pv_OperatorCode IN tb_operator.operator_code%TYPE DEFAULT NULL
)
DEFAULT NULL
缺省为空,可以不赋值