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What is a primary key? Primary key is chosen by the database designer as the principal means of identifying an entity in the entity set.
what is completeness constrent?
how the string works as keyword?
job scheduling for different cubes
Self-Join: In a self join a table is joined with itself. Let consider the following sample partial data of EMP table EMPNO ENAME MGRID
Modular growth: In distributed environments, it is simple to expand. Latest sites can be added to the network without affecting the operations of other sites, as they are somewhat
Explain the ACID properties of a transaction Ans: ACID properties are a significant concept for databases. The ACID stands for Atomicity, Consistency, Isolation, and Durability
Explain the conventions (relationships) for displaying an ER schema as an ER diagram.
What does Aggregation mean?
A student entity type has the following attributes,name..
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