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Question 1 Draw a Data Flow Diagram for a University scenario Question 2 Discuss the following with suitable examples Relational Algebra Operators Database Pla
When a function module is activated syntax checking is performed automatically. YEs, a function module is activated syntax checking.
In an E-R diagram how attributes are represented ? In an E-R diagram attributes are represented in a ellipse.
What is a candidate key? Minimal super keys are known as candidate keys.
In case of entity integrity, the primary key may be declared? In a case of entity integrity primary key may be not Null.
Define- relational algebra. The relational algebra is a procedural query language. It having of a set of operations that take one or two relation as input and make a new relati
what is view?explain
What are the two types of serializability? The two types of serializability is a) Conflict serializability b) View serializability
What type of view of total database content? Data base content Conceptual view of total database contain.
Command Line Interfaces: These are interactive interfaces, character-based that let you use the complete power and functionality of the DBMS query language directly. They permit yo
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