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
What are the different types of dbms?
Are stored procedures faster than dynamic sql?
What is date functions?
Is there a way to automate sql execution from the command-line, batch job or shell script?
What is difference between inner join and self join?
Hi how to import oracle sequence in Informatica? Please write stored procedure code that will import oracle sequence in Informatica SP transformation as per below scenario Oracle table product list Pro_id, pro_name 101, LED Lights. 102, 20watt CFL Lights. 103, 30 watt CFL lights Now a new flat file with new product list needs to be added to oracle table product list with oracle sequence. flat file product Prono,pro_name, 1, 20 watt tube light 2, 30 watt tube light & target should be like 101, LED Lights. 102, 20watt CFL Lights. 103, 30 watt CFL lights. 104, 20 watt tube light 105, 30 watt tube light thks reg suvarna joshi suvarnaatsuvarna@rediffmail.com
What is data types in sql?
What is a record in pl/sql?
What are the different set operators available in sql?
What is the difference between partitioning and sharding?
1) Synonyms 2) Co-related Subquery 3) Different Jobs in Plsql 4) Explain Plan 5) Wrap 6) Query Optimization Technique 7) Bulk Collect 8) Types of index 9) IF primary key is created then the index created ? 10) Foreign Key 11) Exception Handling 12) Difference Between Delete and Trunc 13) Procedure Overloading 14) Grant Revoke 15) Procedure Argument types. 16) Functions. 17) Joins
What does where 1 1 mean in sql?
How to use distinct and count in sql query? Explain
What is the usage of nvl function?
Why plvtab is considered as the easiest way to access the pl/sql table?