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To delete a particular column in a relation which command is used ?
To delete a particular column in a relation ALTER command is used.
What are axioms? Axioms or rules of inference give a simpler technique for reasoning about
what is attribute is attribute inheritance in dbms?
Give a sample of the Dynamic Model. The sample of dynamic model is given below: Dynamic model for the car: Brake and Accelerator Brake or Applies Accelerator
What are the two types of indices? The two types of indices are:- A) Dense index B) Sparse index
Waterfall model is the linear model. The process is completed by step by step. We couldn't stop in between of the process. Prototype model: after get the model by low cost budget o
normal forms
what do you mean by primary key constraint?
how to operate database in access ?
why are older data base model are being replaced by new data model
Use a Set operator to create a list of academics who have written or co-written less than 5 papers and also have greater than 3 interests. List their academic number in the output.
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