DTOC({98/09/28})的值应为 ().
举一反三
- 在下列表达式中,表达式数据类型为日期型的是()。 A: 09/06/2011-2 B: CTOD("09/06/2011")-DATE() C: DTOC(DATE())+"09/06/2011" D: CTOD("09/06/2011")-3
- Which command will restore all datafiles to the date 9/30/2008 at 18:00 hours? () A: restore datafiles until time '09/28/2008:21:03:11' B: restore database files until time '09/28/2008:18:00:00' C: restore database until time '09/28/2008:18:00:00' D: recover database until time '09/28/2008:18:00:00' E: recover database until timestamp '09/28/2008:18:00:00'
- 表达式(^2012/09/18)-(^2012/09/20)的值是
- 表达式{^2000/09/18}-{^2000/09/20}的值是( )。
- 在下列函数中,函数值为数值型的是( ). A: BOF() B: AT('计算机','数学与计算机') C: CTOD('01/01/09') D: SUBSTR(DTOC(TIME( ) ),7)