GATE 2018 NOTES

                    COMPUTER NETWORK : PROF.SUBODH R.NIKHALE ...

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