Select statement-data manipulation language, Database Management System

Assignment Help:

SELECT Statement

This statement is used for retrieving information from the databases. It can be coupled with many clauses. Let us talk about these clauses in more detail:

Using Arithmetic operator

Example:

SELECT ENAME, SAL, SAL+300

FROM EMP;

Related Discussions:- Select statement-data manipulation language

Define seek time, Define seek time. The time for repositioning the arm ...

Define seek time. The time for repositioning the arm is known as the seek time and it enhances with the distance that the arm is known as the seek time.

Define multivalued dependency, Define multivalued dependency. What do unde...

Define multivalued dependency. What do understand by trivial multivalued dependency? Ans: A multivalued dependency is a full constraint among two sets of attributes in a rela

Clinic, Need a sample of a clinic database relationships

Need a sample of a clinic database relationships

Can you delete data element, Can we delete data element, which is being use...

Can we delete data element, which is being used by table fields. No we cant delete data element.

Explain tuple variable, Define tuple variable? Tuple variables are used...

Define tuple variable? Tuple variables are used for comparing two tuples in the same relation. The tuple variables are explained in the from clause by way of the as clause.

What are the uses of the information in the data dictionary, What are the u...

What are the uses of the information in the Data dictionary? The following information is directly taken from the Data dictionary: Information on fields displayed with

Advantages and disadvantages of using a database system, What are the advan...

What are the advantages and disadvantages of using a database system. Sol. Advantages of Database System (DBMS) : (1) Data Redundancy and Inconsistency: Since differen

Having clause with sub queries, Having Clause with sub queries: First we h...

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)

Compare wait-die deadlock prevention with wait-wound scheme, Compare wait-d...

Compare wait-die deadlock prevention scheme with wait-wound scheme Ans: Wait-Die Scheme a) Based upon a nonpreemptive technique. b) If Pi requests a resource present

The conceptual level or global level in dbms, The Conceptual Level or Globa...

The Conceptual Level or Global level The conceptual level presents a logical view of the complete database as a unified whole. It permits the user to bring all the data in th

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages