Introduction to Database System In the relational model, relationships between relations or tables are created by using: composite keys. candidate keys. determinants. foreign keys. composite keys. candidate keys. determinants. foreign keys. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System SQL stands for ________ . Structured Query Language Structured Question Language Sequential Query Language Sequential Question Language Structured Query Language Structured Question Language Sequential Query Language Sequential Question Language ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System To have a file hold a list, it is necessary to identify the name, width and type of the fields of each record. All of the listed here decide which fields will be used as sort or index keys identify the records in the list identify the name, width and type of the fields of each record. All of the listed here decide which fields will be used as sort or index keys identify the records in the list ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Entity instances are associated by relationship classes. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not an advantage of the data-base approach? elimination of the data redundancy program/data independence increased security All of these ability to associate related data elimination of the data redundancy program/data independence increased security All of these ability to associate related data 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? Weak entity ID-dependent entity Strong entity ID-independent entity Weak entity ID-dependent entity Strong entity ID-independent entity ANSWER DOWNLOAD EXAMIANS APP
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