What are the technique to define a schema completely, Database Management System

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What are the technique to define a schema completely ?

A schema is completely define by DDL and DML query language.


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What is a data dictionary? Data Dictionary is a main source of data in a data management system.  Its major function is to carry the creation and management of data definition

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Define Catalog and meta data ? A catalog is a compilation of records elaborating the contents of a particular collection or group of collections. Metadata (Meta data, or someti

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Data Definition Language It organises the data in the form of columns and rows. But what does the data field column of table accumulate? How do you describe it using SQL? Th

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Indexed (Indexed Sequential) File Organisation It organises the file like a big dictionary, i.e., records are kept in order of the key but an index is stored which also allows

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It is mandatory that for every table in the LDB hierarchy there should exist one GET statement in the report. False.  It is not essential.

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