Introduction to Database System In SQL, which command is used to add a column/integrity constraint to a table ALTER TABLE ADD COLUMN INSERT COLUMN MODIFY TABLE ALTER TABLE ADD COLUMN INSERT COLUMN MODIFY TABLE ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A file that is organized in uniform format is formally referred to as a _____ or a database file. Database None of these Structured data file Record Document Database None of these Structured data file Record Document ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Batch processing is appropriate if None of these a large computer system is available only a few transactions are involved only a small computer system is available All of these None of these a large computer system is available only a few transactions are involved only a small computer system is available All of these 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? Strong entity Weak entity ID-dependent entity ID-independent entity Strong entity Weak entity ID-dependent entity ID-independent entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relation is a two-dimensional table. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A top-to-bottom relationship among the items in a database is established by a Network schema Relational schema Hierarchical schema All of the listed here Network schema Relational schema Hierarchical schema All of the listed here ANSWER DOWNLOAD EXAMIANS APP
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