试题详情
多项选择题 Examine the list of variables and their data types：  AME DATA Type  TS， TS1 TIMESTAMP  TSZ TIMESTAMP WITH TIME ZONE  TLZ TIMESTAMP WITH LOCAL TIME ZONE  IYM INTERVAL YEAR TO MONTH  IDS， IDSI INTERVAL YEAR To SECOND   Which three expressions using the new data and time data types are valid？（）

A、IDS* 2

B、TS + IYM

C、TS –TSI

D、IDS – TS

E、IDS + IYM

  • A,B,E

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