Introduction to Database System A candidate key is a determinant that determines all the other columns is a relation. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is a serious problem of file management systems? lack of data independence All of these program dependence data redundancy difficult to update lack of data independence All of these program dependence data redundancy difficult to update ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System SQL stands for ________ . Structured Question Language Structured Query Language Sequential Query Language Sequential Question Language Structured Question Language Structured Query Language Sequential Query Language Sequential Question Language ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System When performing a look-up operation using a form you look at each form sequentially until you see the one you want you enter the search value into the form None of these All of these you type the key in an entry line, and the correct form is displayed you look at each form sequentially until you see the one you want you enter the search value into the form None of these All of these you type the key in an entry line, and the correct form is displayed ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The term _____ is sometimes used to refer to a data file in which all the records have the same record format, that is, the same field names, field lengths, and data types. Data structure Database None of these Table Flat file Data structure Database None of these Table Flat file ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following refers to an entity in which the identifier of one entity includes the identifier of another entity? ID-independent entity Strong entity ID-dependent entity Weak entity ID-independent entity Strong entity ID-dependent entity Weak entity ANSWER DOWNLOAD EXAMIANS APP
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