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Difference between SQL and SQL*Plus
SQL
SQL*Plus
SQL is a language
SQL *Plus is an environment
National Standards Institute) standard
It is oracle proprietary interface for
executing SQL statements
It is entered into the SQL buffer on one
or more lines
It is entered one line at a time, not
stored in the SQL buffer
SQL cannot be abbreviated
SQL*Plus can be abbreviated
It uses a termination character to
execute command immediately
It does not require termination
character. Commands are executed immediately.
SQL statements manipulate data and
table definition in the database
It does not allow manipulation of
values in the database
Explain the Difference between DROP and DELETE DELETE deletes one or more than one tuples of a particular relation from the database. DROP is employed to remove a table from th
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Distributed And Client Server Databases Introduction This unit tells the distributed database systems which are primarily relational and one important execution model: the
What is Asterisk in SQL? Asterisk (*): In SQL, the columns for all the tables and views in the FROM clause will be displayed.
Find a 3NF decomposition of the following relation scheme: University (Faculty, Dean, Department, Chair, Professor, Rank, Student}. The University relation satisfies the following
A collection of a same kind of entities is known as an Entity Set or entity type. Example: For the COLLEGE database defines earlier objects of concern are Students, Faculty,
Ask questiwhat is row indicator in database on #Minimum 100 words accepted#
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Describe the various types of Online Analytical Processing (OLAP) tools and briefly discuss how the support common analytical operations.
Isolation or Independence : The isolation property shows that the updates of a transaction should not be visible till they are committed. Isolation assurance that the progresses of
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