DEBUG - 天道酬勤
有關(guān)Oracle變量聲明的幾個思考. 1.單行單列用哪種數(shù)據(jù)結(jié)構(gòu)存儲? 2.單行多列用哪種數(shù)據(jù)結(jié)構(gòu)存儲? 3.多行單列用哪種數(shù)據(jù)結(jié)構(gòu)存儲? 3.多行多列用哪種數(shù)據(jù)結(jié)構(gòu)存儲?
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