43、(9-2)choosethreeWhichthreetaskscanbeperformedbyDDLstatements?A)preventingdataretrievalfromatableoutsideofofficehoursB)modifyingatabletopreventdatathatviolatecertainconditionsfrombeingenteredinacolu
分类:
数据库 时间:
2019-02-27 11:41:18
阅读次数:
245
41、(8-14)choosetwoViewtheExhibitandexaminethestructureoftheORDERStable.ThecolumnsORDER_MODEandORDER_TOTALhavethedefaultvalues‘direct‘and0respectively.WhichtwoINSERTstatementsarevalid?(Choosetw
分类:
数据库 时间:
2019-02-27 10:28:02
阅读次数:
225
39.choosethebestanswerViewtheExhibitandexaminethedescriptionoftheEMPLOYEEStable.Youwanttocalculatethetotalremunerationforeachemployee.Totalremunerationisthesumoftheannualsalaryandthepercentagecommissi
分类:
数据库 时间:
2019-02-26 19:32:31
阅读次数:
168
40、(8-7)choosetwoWhichtwostatementsaretrueregardingviews?(Choosetwo.)A)Asimpleviewinwhichcolumnaliaseshavebeenusedcannotbeupdated.B)TheORREPLACEoptionisusedtochangethedefinitionofanexistingviewwithout
分类:
数据库 时间:
2019-02-26 19:01:07
阅读次数:
152
19.choosethebestanswerViewtheExhibitandexaminethestructureofthePROMOTIONStable.EvaluatethefollowingSQLstatement:SQL>SELECTpromo_name,CASEWHENpromo_cost>=(SELECTAVG(promo_cost)FROMpromotionsWHERE
分类:
数据库 时间:
2019-02-26 17:44:08
阅读次数:
224
38.choose the best answer View the Exhibit and examine the data in the PROMOTIONS table. PROMO_BEGIN_DATE is stored in the default date format, dd-mon ...
分类:
数据库 时间:
2019-02-26 17:12:13
阅读次数:
199
38.choosethebestanswerViewtheExhibitandexaminethedatainthePROMOTIONStable.PROMO_BEGIN_DATEisstoredinthedefaultdateformat,dd-mon-rr.Youneedtoproduceareportthatprovidesthename,cost,andstartdateofallprom
分类:
数据库 时间:
2019-02-26 17:04:15
阅读次数:
176
39.choose the best answer View the Exhibit and examine the description of the EMPLOYEES table. You want to calculate the total remuneration for each e ...
分类:
数据库 时间:
2019-02-26 16:53:37
阅读次数:
206
36.choosethebestanswerViewtheExhibitsandexaminethestructuresofthePRODUCTS,SALES,andCUSTOMERStables.Youissuethefollowingquery:SQL>SELECTp.prod_id,prod_name,prod_list_price,quantity_sold,cust_last_na
分类:
其他好文 时间:
2019-02-25 15:04:57
阅读次数:
152
35.choosethebestanswerViewtheExhibitandexaminethedescriptionoftheEMPLOYEEStable.EvaluatethefollowingSQLstatement:SELECTfirst_name,employee_id,NEXT_DAY(ADD_MONTHS(hire_date,6),1)"Review"FROMe
分类:
数据库 时间:
2019-02-25 11:58:17
阅读次数:
237