Interview Questions - DBMS Basics
33.
What is DML Compiler?
It translates DML statements in a query language into low-level instruction that the query evaluation engine can understand.
34.
What is Query evaluation engine?
It executes low-level instruction generated by compiler.
35.
What is DDL Interpreter?
It interprets DDL statements and record them in tables containing metadata.
36.
What is Record-at-a-time?
The Low level or Procedural DML can specify and retrieve each record from a set of records. This retrieve of a record is said to be Record-at-a-time.
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