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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
Example : Search the name, department number and salary of employees drawing minimum salary in that department. SELECT ENAME, SAL, DEPTNO FROM EMP WHERE SAL IN (SELECT MI
Gyan Gurukul is a software company that provides software related solution. Ashutosh Dubey who is the director of Gyan Gurukul want a three-level schema architecture for the Gyan G
Example: RELATIONAL SCHEMA for PERSON: PERSON (PERSON_ID: integer, NAME: string, AGE: integer, ADDRESS: String) RELATION INSTANCE In this instance, m = 3 and n = 4
A distributed transaction consists of subtransactions that execute at different sites and access local DBMSs at those sites. For example, a distributed transaction that transfers m
What are the factors to be taken into account when choosing a RAID level? A) Monetary cost of extra disk storage requirements. B) Performance requirements in terms of number
Explain Deadlock detection and recovery Deadlock Detection - A deadlock is said to take place when there is a circular chain of transaction, every waiting for the release of a
Attributes and its types explain?
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The clause in SQL which specifies that the query result should be sorted in ascending or descending order based upon the values of one or much more columns is Ans : Order by
ERD Diagram of Medical Recruitment Agency?
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