oracle ocp 19c考題，科目082考試題-INTERSECT operator

unix_5030發表於2021-12-15
Oracle

Oracle OCP 19c 認證1Z0-082考試題庫(第2題)

2.Which statement is true about the INTERSECT operator used in compound queries?

A. Multiple INTERSECT operators are not possible in the same SQL statement

B. It processes NULLs in the selected columns

C. INTERSECT is of lower precedence than UNION or UNION ALL

D. It ignores NULLs

來源：cuug


來自 “ ITPUB部落格 ” ，連結：http://blog.itpub.net/70010796/viewspace-2847819/，如需轉載，請註明出處，否則將追究法律責任。

相關文章