Multiple choice

DDL and DML statements are compiled and executed by

  1. query processor

  2. storage manager

  3. data model

  4. only 1 and 3

  5. none of these
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A Correct answer
Explanation

The components of query processor are 1) DDL interpreter 2) DML compiler 3) Query evalution engine  The DDL interpreter interprets DDL statements and records the definition in the data dictionary .The DML compiler translates the DML statements in a query language into an evaluation plan consisting of low-level instruction that the query evaluation engine understands.

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