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'
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'
下列函数返回类型为字符型的是( )。 A: STR(123,3) B: VAL(“123”) C: CTOD(“2010/09/01”) D: CTOT(“2010/09/01”)
下列函数返回类型为字符型的是( )。 A: STR(123,3) B: VAL(“123”) C: CTOD(“2010/09/01”) D: CTOT(“2010/09/01”)
下列函数返回类型为字符型的是( )。 A: A) STR(123,3) B: B) VAL("123") C: C) CTOD("2010/09/01") D: D) CTOT("2010/09/01")
下列函数返回类型为字符型的是( )。 A: A) STR(123,3) B: B) VAL("123") C: C) CTOD("2010/09/01") D: D) CTOT("2010/09/01")
管桩新国家标准的发布日期和实施日期分别为()。 A: 2009/03/28;2010/03/01 B: 2010/01/01;2011/01/01 C: 2001/01/01;2012/03/01 D: 2008/07/01;2009/05/01
管桩新国家标准的发布日期和实施日期分别为()。 A: 2009/03/28;2010/03/01 B: 2010/01/01;2011/01/01 C: 2001/01/01;2012/03/01 D: 2008/07/01;2009/05/01
DATEDIFF(‘MONTH’,#2008-09-01#,#2008-02-01#),返回()。
DATEDIFF(‘MONTH’,#2008-09-01#,#2008-02-01#),返回()。
You need to restore your database back to 9/30/2008 at 18:00. In what order would you run the following commands to compete this task?() a. restore controlfile until time `09/30/2008:18:00:00’ b. restore database until time `09/30/2008:18:00:00’ c. restore spfile until time `09/30/2008:18:00:00’ d. recover database until time `09/30/2008:18:00:00’ e. alter database open resetlogs f. alter database open A: b, d, e B: b, d, f C: c, a, b, d, e D: c, a, b, d, f E: a, b, d, e
You need to restore your database back to 9/30/2008 at 18:00. In what order would you run the following commands to compete this task?() a. restore controlfile until time `09/30/2008:18:00:00’ b. restore database until time `09/30/2008:18:00:00’ c. restore spfile until time `09/30/2008:18:00:00’ d. recover database until time `09/30/2008:18:00:00’ e. alter database open resetlogs f. alter database open A: b, d, e B: b, d, f C: c, a, b, d, e D: c, a, b, d, f E: a, b, d, e
DAY("01/09/02")返回的值是(). A: 9 B: 错误信息 C: 1 D: 计算机日期
DAY("01/09/02")返回的值是(). A: 9 B: 错误信息 C: 1 D: 计算机日期
常规宽屏显示屏的水平方向与垂直方向尺寸之比一般是_____。 A: 03:04 B: 04:03 C: 01:01 D: 16:09
常规宽屏显示屏的水平方向与垂直方向尺寸之比一般是_____。 A: 03:04 B: 04:03 C: 01:01 D: 16:09
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)
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)
显示字符串的 DOS功能调用,AH寄存器的内容是 A: 01 B: 02 C: 09 D: 0AH
显示字符串的 DOS功能调用,AH寄存器的内容是 A: 01 B: 02 C: 09 D: 0AH