When we give SELECT * FROM EMP; How does oracle respond?

Answer Posted / ch. nageswar subudhi

Hi All,


When we'll excute any type of Query or SELECT statment in
the SQL prompt. There are some steps proceed through which
we'll get proper results. These steps are given belows

1. After write the Query
2. First it Parses according to their priority. (i.e Check
the Correct syntax)
3. Binding the variables
4. Fetch for proper data from proper table or not
5. Execute the whole query
6. Finally u'll got OUTPUT.

Regards\
Nageswar

Is This Answer Correct ?    12 Yes 3 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What is normalisation in sql?

650


What is the difference between clustered and non-clustered index in sql?

620


what is difference between delete and truncate commands? : Sql dba

680


How is pl sql different from sql?

634


Explain what is an index?

682






What is the difference between between and in condition operators?

625


How do you declare a user-defined exception?

631


how can we submit a form without a submit button? : Sql dba

629


What are literals in sql server?

651


What is pl sql record in oracle?

651


Can we perform dml on view?

645


How to prepare for oracle pl sql certification?

685


What is rank dense_rank and partition in sql?

647


What is scope and visibility in PL/SQL?

691


How to write a single statement that concatenates the words ?hello? And ?world? And assign it in a variable named greeting?

733