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Data Control The data control mostly refers to commands that permit system and data privileges to be passed to several users. These commands are usually available to database administrator. Let us see some data control language commands:
What is Normalization? Database normalization is a data design and organization method applied to data structures based on rules that help building relational databases. In rel
Describe Parameteric end users? Parametric end users might be given update access, but are commonly not permitted to change the structure of data.
Explain pipelining. Ans: In order to describe pipelining in simple terms, think of it as breaking down processor functions into smaller and smaller parts. For instance,
give me a diagram about physical or internal level
examples of fields in a database
In which form of relational database developer refers to a record? In a tuple form of relational database developer refers to a record.
How external/conceptual mapping and conceptual /internal mapping is performed
limitations and benefits in database tecknowlagy
Define upgrade and downgrade? It gives a mechanism for conversion from shared lock to exclusive lock is called as upgrade. It gives a mechanism for conversion from exclusive
Describe the primary key functions? Primary Key : The primary key is an attribute or a set of attributes in which uniquely identify a specific example of an entity. Every entit
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