Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
Example-Search the salary of employees who are not 'ANALYST' but get a salary below than or equal to any people employed as 'ANALYST'.
SELECT EMPNO, ENAME, JOB, SAL
FROMEMP
WHERE SAL <= ANY (SELECT SAL
FROM EMP WHERE JOB = 'ANALYST')
AND JOB<>'ANALYST' ;
EMPNO
ENAME
JOB
SAL
DEPTNO
7566
Nirmal
MANAGER
2975
10
7788
Kailash
ANALYST
3000
7839
Karuna
PRESIDENT
5000
20
7902
Ashwin
7905
Ashwini
4000
OUTPUT:
Search the average salary in every department
SELECT DEPTNO, AVG(SAL) FROM EMP GROUP BY DEPTNO;
Result:
2987.5
What are the states of transaction? The states of transaction are:- a) Active b) Partially committed c) Failed d) Aborted e )Committed f) Terminated
Explain what is RDBMS ? RDBMS - RDBMS is a database management system (DBMS) which stores data within the form of relations. Relational databases are powerful since they need f
What is the archtetype/instance pattern? The archetype/instance pattern happens when one entity tracks occurrences of another entity. A common example is the relationship among
10A.53 Code an Oracle Database trigger to enforce the constraint that an employee can never change his or her department. 10A.54 Code an Oracle Database trigger to allow the
what is cascading rollback
need requirement analysis for database management of stock market
Explain ODBC? ODBC - Open DataBase Connectivity (ODBC) enable the integration of SQL along with a general-reasons programming language.
note on hashing technique
Define average latency time. The average latency time of the disk is one-half the time for a full rotation of the disk.
Explain Strict Two-Phase locking A transaction T does not release any type of its exclusive (X) locks until that transaction commits or aborts. In this method no other transact
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +91-977-207-8620
Phone: +91-977-207-8620
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd