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？（）<br>A:IDS* 2<br>B:TS + IYM<br>C:TS –TSI<br>D:IDS

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

出自：Oracle认证

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