Introduction to Database System In SQL, the CREATE TABLE is used All of these to add a column/integrity constraint to a table to redefine a column to change a table's storage characteristics to create a table, defining its columns, integrity constrains, and storage allocation All of these to add a column/integrity constraint to a table to redefine a column to change a table's storage characteristics to create a table, defining its columns, integrity constrains, and storage allocation ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a relation, the rows are sometimes called "fields". False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relational database management (RDBM) package manages data in more than one file at once. How does it organize these file? As None of these both (a) and (b) tuple relations tables None of these both (a) and (b) tuple relations tables ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A good query system allows non-programmers to access information stored in a database None of these can accept English language commands both (a) and (b) can be accessed only by data processing professionals allows non-programmers to access information stored in a database None of these can accept English language commands both (a) and (b) can be accessed only by data processing professionals ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which type of entity represents a logical generalization whose actual occurrence is represented by a second, associated entity? Instance entity Subtype entity Archetype entity Supertype entity Instance entity Subtype entity Archetype entity Supertype entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A key: identifies a column. must always be composed of two or more columns. identifies a row. can only be one column. identifies a column. must always be composed of two or more columns. identifies a row. can only be one column. ANSWER DOWNLOAD EXAMIANS APP
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