Oracle OCP 19c 認證1Z0-082考試題庫(第13題)
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我要咨詢Oracle OCP 19c 認證1Z0-082考試題庫(第13題)-CUUG內部學員版082題庫解析
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;
