Introduction to Database System Which of the following indicates the minimum number of entities that must be involved in a relationship? Minimum cardinality Greater Entity Count (GEC) Maximum cardinality ERD Minimum cardinality Greater Entity Count (GEC) Maximum cardinality ERD ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In the relational model, relationships between relations or tables are created by using: composite keys. determinants. foreign keys. candidate keys. composite keys. determinants. foreign keys. candidate keys. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System When performing a look-up operation using a form None of these you enter the search value into the form 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 All of these None of these you enter the search value into the form 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 All of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Structured Query Language (SQL) is an internationally recognized standard language that is understood by all commercial database management system products. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System One of the reasons why OODBMSs have not been widely used for business information systems is that OOP is obsolete. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following products was an early implementation of the relational model developed by E.F. Codd of IBM? IDMS dBase-II DB2 R:base IDMS dBase-II DB2 R:base ANSWER DOWNLOAD EXAMIANS APP
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