Oracle OCP 19c 认证1Z0-082考试题库(第13题)
Oracle OCP 19c 认证1Z0-082考试题库(第13题)-CUUG内部学员版083题库解析13.You want to write a query that prompts for two column names and the WHERE condition each time it is executed in a session but only prompts for the table name the first time it is executed.The variables used in your query are never undefined in your session.Which query can be used?A. SELECT &&col1, &&col2FROM &table WHERE &&condition = &&cond;B. SELECT &col1, &col2FROM &&table WHERE &condition;C. SELECT &col1, &col2FROM “&table” WHERE &condition;D. SELECT ‘&&col1’, ‘&&col2’FROM &table WHERE ‘&&condition’ = ‘&cond’;E. SELECT &&col1, &&col2FROM &table WHERE &&condition;
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