Golgappa.net | Golgappa.org | BagIndia.net | BodyIndia.Com | CabIndia.net | CarsBikes.net | CarsBikes.org | CashIndia.net | ConsumerIndia.net | CookingIndia.net | DataIndia.net | DealIndia.net | EmailIndia.net | FirstTablet.com | FirstTourist.com | ForsaleIndia.net | IndiaBody.Com | IndiaCab.net | IndiaCash.net | IndiaModel.net | KidForum.net | OfficeIndia.net | PaysIndia.com | RestaurantIndia.net | RestaurantsIndia.net | SaleForum.net | SellForum.net | SoldIndia.com | StarIndia.net | TomatoCab.com | TomatoCabs.com | TownIndia.com
Interested to Buy Any Domain ? << Click Here >> for more details...

  1. Categories >> Software >> Databases >> SQL PLSQL
  2. Suggest New Category

what will be the output:
select 1 from emp
union all
select 2 from emp;

Question Posted / lmeher.tcs

Answers were Sorted based on User's Feedback



what will be the output: select 1 from emp union all select 2 from emp;..

Answer / m.m

1 will be printed as many times as the number of rows in
emp table
followed by 2 begin printed as many times as the number of
rows in emp table
OP:
1
----------
1
1
1
1
1
1
1
1
1
1
1

1
----------
1
1
1
2
2
2
2
2
2
2
2

1
----------
2
2
2
2
2
2

28 rows selected.

Is This Answer Correct ?    22 Yes 6 No

what will be the output: select 1 from emp union all select 2 from emp;..

Answer / ankush

it returns the number 1 same number columns as well as
union with the value 2 again with the same number of
columns the table emp have.

Is This Answer Correct ?    0 Yes 6 No

Post New Answer

More SQL PLSQL Interview Questions

What are the types of join and explain each?

0 Answers  

what are the different tables present in mysql, which type of table is generated when we are creating a table in the following syntax: create table employee (eno int(2),ename varchar(10)) ? : Sql dba

0 Answers  

What is Difference Between Unique and Primary Key Constraints?

0 Answers   Wipro,

How do you create a db file?

0 Answers  

what is the Default Libraries for Oracle Report 6i

0 Answers   IBM,

what are date and time functions in mysql? : Sql dba

0 Answers  

How do you bind variables in pl sql?

0 Answers  

what is union? : Sql dba

0 Answers  

Explain how can you save or place your msg in a table?

0 Answers  

how to connect oracle in unix prompt?

4 Answers   Polaris,

Define sql delete statement.

0 Answers  

how to drop an existing index in mysql? : Sql dba

0 Answers  

For more SQL PLSQL Interview Questions Click Here
Categories