Q. What is true about indexes?

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Q. Does index take space in the disk ?

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Q. What are composite indexes ?

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Q. In _______________ index instead of storing all the columns for a record together, each column is stored separately with all other rows in an index.

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Q. A _________________ index is the one which satisfies all the columns requested in the query without performing further lookup into the clustered index.

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Q. A(n) _________ can be used to preserve the integrity of a document or a message.

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Q. A hash function must meet ________ criteria.

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Q. Index which has an entry for some of key value is classified as

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Q. Primary indexes, secondary indexes and cluster indexes are all types of

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Q. In multilevel indexes, primary index created for its first level is classified as

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Q. Indexes which specifies address of records on disk with a physical pointer are classified as

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Q. Example of non dense index is

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Q. In data file, first record of any of block is called

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Q. File which has secondary index for its every field is classified as

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Q. First field in primary index having same data type as in ordering field is considered as

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Q. In multilevel indexes, primary index created for its second level is classified as

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Q. The method of access which uses key transformation is known as

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Q. The physical location of a record is determined by a mathematical formula that transforms
a file key into a record location is :

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Q. An indexing operation

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Q. The index consists of

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