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Having Clause with sub queries: First we have to recollect the GROUP BYclause. The following query searches the minimum salary in every department.
SELECT DEPTNO, MIN (SAL)
FROM.EMP
GROUP BY DEPTNO;
Output:
DEPTNO
SAL
10
2975
20
3000
An ideal data dictionary should have everything a DBA wants to know about the database. 1 Conceptual, External, and internal database descriptions. 2. Descriptions of attr
Give an example of Operations from the functions of a bank. For creation of a saving account, you can write: bank::: create -savings-account (customer)->account. For oper
what is natural join?
Java program for horrizontal fragmentation in distributed database
How can i turn a conceptual entity relationship diagram into a logical entity relationship diagram? what do i have to do with "mandetory or" and "optional or" relationships?
What is recovery management component? Ensuring durability is the responsibility of a software component of the base system known as the recovery management component.
Write short notes on domain relational calculus The domain relational calculus uses domain variables that take on values from an attribute domain rather than values for whole
Advantages and disadvantages of icloud based storage
how to construct labelled precedence graph for view serialiability.please explain insteps with one solved examples
The Structured Query Language INTRODUCTION Database is an organised set of information about an entity having controlled redundancy and serves numerous applications. DBMS
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