标题: ORA-13766: A ranking measure is required. [打印本页] 作者: admin 时间: 2016-8-17 10:36 标题: ORA-13766: A ranking measure is required. ORA-13766: A rankingmeasure is required. Cause: The user attempted to select data from a SQL TuningSet using a
percentage argument without specifying a ranking measure. Action: Adda ranking measure or remove the percentage argument and retry the
operation.