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Explain what is DDL? DDL - Data Definition Language: statements used to define the database structure or schema. Some examples: CREATE - to create objects in the database ALT
Define the concept of generalization A generalization is relationship between specific kind of thing and general thing. It is also known as "is-a-kind-of" relationship. Inher
The database will enable college administrators the ability to track students initial major. This will help college officials decide how best to prepare students for their goals an
Explain I command in QBE ? I : It is the command in QBE that is used to insert tuple (s) into the database
Mention the several levels in security measures. A) Database system B) Operating system C) Network D) Physical Human
The State of NewYork certifies firefighters throughout state and keep track all of them, as well as of the state’s fire departments. Each fire department has unique department numb
The physical location of a record is determined by which mathematical formula that transforms a file key into a record location? The physical location of a record is determined
Synonyms and Indexes Some of the essential properties of indexes are: An Index is a schema Object Indexes can be formed explicitly or automatically Indexes are m
What is the meaning of Recovery? In deferred update methods, if a transaction fails before arriving its commit point, it will not have altered the database in any way, so UNDO
What is an ER diagram? Why is it used in Database management system (DBMS)?
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