mcqs bs thk hi thy . short question : 1.add karna tha city ko person table main. 2.three classification of indexes ky name btany thy. 3.concurrency transaction main jo problems ati hain unky name likhny thy. 4.statement di thi uska btana tha k correct ya ni or justify krna tha usko. long question: 1.create unique index wala question aya tha 2.data base create karni thi TESTDB ki or table bnana tha test ka .data tpes write karni thi (ID ,Name, Address ) ki .or ID ko asa primary key define karna tha. 3.ye bhi SQL wala hi tha .