Introduction to Database System Which type of entity cannot exist in the database unless another type of entity also exists in the database, but does not require that the identifier of that other entity be included as part of its own identifier? ID-dependent entity Strong entity Weak entity ID- independent entity ID-dependent entity Strong entity Weak entity ID- independent entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A computer file can be best described as a random collection of data items None of these an orderly collection of data items a general collection of data items a single data item a random collection of data items None of these an orderly collection of data items a general collection of data items a single data item ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An identifier typically uses more than one attribute. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, the ALTER TABLESPACE command is used to take a tablespace online/offline All of the listed here to change storage characteristics to add/rename data files to take a tablespace online/offline All of the listed here to change storage characteristics to add/rename data files ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, the CREATE TABLE is used to create a table, defining its columns, integrity constrains, and storage allocation to redefine a column to change a table's storage characteristics to add a column/integrity constraint to a table All of these to create a table, defining its columns, integrity constrains, and storage allocation to redefine a column to change a table's storage characteristics to add a column/integrity constraint to a table All of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The language used in application programs to request data from the DBMS is referred to as the All of the listed here DML DDL query language All of the listed here DML DDL query language ANSWER DOWNLOAD EXAMIANS APP
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