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Example: Search the name, department number and salary of employees drawing minimum salary in that department.
SELECT ENAME, SAL, DEPTNO
WHERE SAL IN (SELECT MIN (SAL)
GROUP BY DEPTNO);
Search the salary of employees employed as an ANALYST
SELECT SAL FROM EMPWHERE JOB= ' ANALYST '
Which language has presently become the defacto standard for interfacing application programs along with relational database system? The language which has recently become the
Process of Adjustment of inheritance During object design, inheritance is readjusted by rearranging classes and operations, and abstracting common behaviour.
Explain the integrity constraints: Not Null, Unique, Primary Key with an example each. Is the combination 'Not Null, Primary Key' a valid combination. Justify. Not Null - Shou
Difference between SQL and SQL*Plus SQL SQL*Plus SQL is a language SQL *Plus is an environment It is bas
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 data integrity? Ans: It is the data consisted of in database that is accurate and consistent. (Data integrity means that the data should be valid as per to the give
Use Access 2007 to create a database called UniLib.mdb. - this file should be created on your personal drive at the university (or C: if you're using Access 2007 at home) and t
What are the different approaches for database design? There are two basic approaches for database design which are as follows: Attribute driven: It compiles a list of att
What is a database? Database - Basically in simple terms A database is a collection of inter related data and/or information stored so which it is available to several users
(a) Why did SAP introduce the extended star schema?
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