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1) ASSERTION DEFINITION IT IS A STATEMENT IN SQL WHICH CAN ENSURE CERTAIN CONDITION IS ALWAYS EXIST IN DATABASE . EXAMPLE: ...
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UNIT 2: Entity Relationship Data Model Introduction,Benefits of Data Modeling, Types of Models, Phases of Database Modeling...
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Structured Query Language 1. What is SQL? What are the two major categories of SQL commands? Explain them. Ans: SQL stands for str...
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