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what do you mean by primary key constraint?
Assume that you are responsible for selecting a new DBMS product for Sohar Hospital
Write short note on Data models? Data models: A data model is an abstract model which elaborates how data is represented and accessed. The term data model has two commonly ac
What is the use of keyword ISA? The use of keyword ISA is to show that a class is a specialization of another class.
My cut off date is very soon in a Database subject and i dont know how to solve anything in it
Describe the definition of a transaction in SQL Ans: The SQL transaction starts implicitly. Transactions are finished by either Commit work that commits the transaction and st
DISADVANTAGES OF RDBMS
What are data models? Explain it detail? Entity relationship model Rectangles Ellipse Diamonds Lines Relational model Relational model use a collection
Scenario 1: Power goes out after the first instruction. What happens?
What is Collation Collation is a kind of sort order. There are majorly 3 types of sort orders, namely: i.) Dictionary case insensitive ii.)Dictionary - case sensitive
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