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Describe an data dictionary?
A data dictionary is a data structure which keeps meta data about the structure of the database ie. the schema of the database.
What are the technique to define a schema completely ? A schema is completely define by DDL and DML query language.
Which data type can store unstructured data? Raw data type can store unstructured data.
List some instances of collection types? a) sets b) arrays c) multisets
What is an entity relationship model? The entity relationship model is a set of basic objects known as entities and relationship between those objects. An entity is a thing or
ALTER TABLE Command : This command is used for variation of existing structure of the table in the given situation: When a new column is to be added to the table structure.
What is the used of specifying alias? Specifying alias: is used to rename column or attribute in a table.
What is an E-R model? Draw an E-R Diagram for the company database with following Descriptions? The company is organized within departments. Each department has a unique name a
anyone have a textbook solutions case fair, 8 edition of vol 1 ?, please give me
WHAT IS DSS? WRITE ITS REQUIREMENTS.
List any two significant differences between a file processing system and a DBMS. File Processing System vs. DBMS Data Independence - Data independence is the capacity t
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