Which technique retrieves the error number when explicit DML fails?()
- ASQLCODE in an On-Error trigger.
- BSQLCODE in an exception handler.
- CDBMS_ERROR_CODE in an On-Error trigger.
- DDBMS_ERROR_CODE in an exception handler.&e
Which technique retrieves the error number when explicit DML fails?()
1、若a=5,b=3,c=4,逻辑表达式!(a+b)&;&;!c的值
若a=5,b=3,c=4,逻辑表达式!(a+b)&;&;!c的值为()A0B-1C1D2
AMPS通信系统属于第()代移动通信。A第一代B第二代C第三代D第四代
AMPS属于()。A1GB2GC3GD4G
Which retrieves all cookies sent in a given HttpSErvletRequest request?()A request.getCookies()B&ensp...
cAMP(cyclic AMP)
表达式10>5&&6%3的值是()A-1B非零值C0D1