單項(xiàng)選擇題

Which best describes an inline view? （）

A. a schema object
B. a subquery that can contain an ORDER BY clause
C. another name for a view that contains group functions
D. a subquery that is part of the FROM clause of another query

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單項(xiàng)選擇題

The DBA issues this SQL command: CREATE USER scott IDENTIFIED by tiger; What privileges does the user Scott have at this point?（）

A. no privileges
B. only the SELECT privilege
C. only the CONNECT privilege
D. all the privileges of a default user

多項(xiàng)選擇題

Which two tasks can you perform using only the TO_CHAR function? （）

A. convert 10 to 'TEN'
B. convert '10' to 10
C. convert 10 to '10'
D. convert 'TEN' to 10
E. convert a date to a character expression
F. convert a character expression to a date

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Which best describes an inline view? （）

你可能感興趣的試題

The DBA issues this SQL command: CREATE USER scott IDENTIFIED by tiger; What privileges does the user Scott have at this point?（）

Which two tasks can you perform using only the TO_CHAR function? （）

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