Introduction to Database System One solution to the multivalued dependency constraint problem is to: create a new theme. split the relation into two relations, each with a single theme. change the theme. add a composite key. create a new theme. split the relation into two relations, each with a single theme. change the theme. add a composite key. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command(s) is(are) used to redefine an index's future storage allocation ALTER INDEX None of these REDEFINE INDEX DO INDEX MODIFY INDEX ALTER INDEX None of these REDEFINE INDEX DO INDEX MODIFY INDEX ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A command that lets you change one or more fields in a record is Look-up All of these None of these Insert Modify Look-up All of these None of these Insert Modify ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System What is the language used by most of the DBMSs for helping their users to access data? SQL 4GL High level language Query language SQL 4GL High level language Query language ANSWER DOWNLOAD EXAMIANS APP
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 ID- independent entity Weak entity Strong entity ID-dependent entity ID- independent entity Weak entity Strong entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a relation, the rows are sometimes called "fields". True False True False ANSWER DOWNLOAD EXAMIANS APP
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