RDBMS Concepts

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Section 1
1) A check constraint can be used to restrict a numeric column to have only positive values including zero.
True or False
2) Primary Key column must contain unique values only.
True / False
3) Null values are allowed in Primary Key Column.
True or False
4) Only unique values allowed in a Foreign Key colun.
True or False
5) View can store data.
True or False
6) Foreign Key value can be NULL.
True / False
7) Referential Integrity can be implemented using triggers.
True / False
8) A check constraint is mandatory if a column has to have date type value.
True / False
9) A check constraint can be replaced by a trigger.
True / False
10) A NULL value is valid for True/False type column.

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RDBMS Concepts
Test mainly consists of true/false questions on various concepts of RDBMS system.

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