DBMS and SQL Quiz 3

DBMS and SQL Quiz 3

The term DBMS was first introduced in late 1940s.

Data anomalies occur due to defining well-structured relations.

The issue associated with Control Concurrency is more complicated in a distributed database environment.

Primary key is, basically, selected from the:

“The value of a cell in one column must be less than the value of a cell in another column in the same row of the same table”, this type of constraint is called as:

If attribute C is determined by attributes A and B, then it is also true that:

Sequences ensures valid surrogate keys.

The entity’s integrity rule states that:

SQL Server indexes are the special data structures that are used to improve database performance.

All ERP solutions are entirely dependent on databases for storing the data required by the applications.

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