Interested to Buy Any Domain ? << Click Here >> for more details...
1. What are the grouping function in SQL ?
2. If base table of a view deleted means, what will happen
while we querying on view ? will give any error ?
3. Difference between DROP, DELETE, TRUNCATE table ?
4. What is constraints and types ?
5. What is max size of nchar & nvarchar ?
6. Define ROLLBACK, COMMIT, SAVE POINT
7. How non-clustered better ? or rank the Clustered,
Non-Clustered and Table scan in performance wise
8. Select 10 rows from a table ?
9. Define DML, DDL, DCL, DTL commands ?
10. What is mean by NULL value ? NULL means "" or 0 or
undefined ?
11. Default constraints ?
12. Can we have more then primary Key in table ?
13. Type of integrity ? Entity, Referential, Domain ?
- 10 Answers
- 18818 Views
- Perot Systems, I also Faced
- E-Mail Answers
Answer Posted / laxman
What are the grouping function in SQL ?
Grouping functions are:
max()
min()
sum()
avg()
Select 10 rows from a table ?
select * from table_name where count(*) <=10
or
select top 10 from table _name
10. What is mean by NULL value ? NULL means "" or 0 or
undefined ?
Null is not equal to "" or 0. it is un identified value
12. Can we have more then primary Key in table ?
no, we can't.
2. If base table of a view deleted means, what will happen
while we querying on view ? will give any error ?
i dont know exactly. but it likely base table doesnt exists.
4. What is constraints and types ?
types:
primary key
foreign key
not null
unique
defaults
check
rule
| Is This Answer Correct ? | 1 Yes | 3 No |
Post New Answer View All Answers
What is the web service used for reporting services?
Explain following error properties?
What are the difficulties faced in cube development? : sql server analysis services, ssas
What is the difference between clustered index and primary key?
How can you ensure that the database and sql server based application perform well?
Can sql servers linked to other servers like oracle?
What is the difference between Clustered and Non-Clustered Index?
How can you start sql server in different modes?
Define cursor locking
What is normalization 1nf 2nf 3nf?
What is the use of keyword with encryption.
What is join query?
what is raid and what are different types of raid configurations? : Sql server database administration
Write a sql query to delete duplicate records from a table called table1
how to create “alternate row colour”?
