第一,(价值)定义指出,该定义在订购的数据集中回归了第一数值。 It
第一版(ColumnName) [Column]
根据《宪法》和《法令》进行分割 选择。 如果消除分治,我们就获得整体价值。
My question is what do we get if Order By is removed ?? Does oracle implicitly orders the set or just gives a random first value or gives the first value in order the data is inserted ?