Answer / vijay

The SQL join command is used to join two or more tables. At
times you may need to join two or more tables to retrieve
the information you need from your SQL database

Types Of Joins-
1.Inner Join
2.Outer Join -types -
left Outer,
Right Outer,
Full Join

3.Cross Join
4.Self Join

Answer / ramesh

Basically Joins are used to get result from two or more
tables and there are two types of joins
inner join and outer join
Inner join : a join of two or more tables which omits the
blank rows while checking

Outer join is subcatogorised in to left outer join and right
outer join. Which includes blank rows in specifed side if
condition satisfies.
Simple outer join is combination of left and right outerjoins.
Apart from these there are
Natural join : cartisian product
Equi join : which includes = operator in condition
NonEqui join : All conditional joins which doesn't uses = in
there conditions.

Answer / dinesh .

16)Join
Table1:Record
1 a
2 b
3 b
4 b
4 c
Table2:Record1
1 a 2
2 b 2
3 c 24
5 f 2
8 g 2
10 j NULL
Inner Join:
Qry1:select record_name,recordcount from record inner join
record1 on
record.record_id=record1.record_code
Result:
a 2
b 2
b 24
qry2:select p.record_name,q.recordcount from record p,
record1 q where p.record_id=q.record_code
Result:
a 2
b 2
b 24
Left Join
qry3:select record_name,recordcount from record left join
record1 on
record.record_id=record1.record_code
Result:
a 2
b 2
b 24
b NULL
c NULL
Right Join
qry4:select record_name,recordcount from record right join
record1 on
record.record_id=record1.record_code
Result:
a 2
b 2
b 24
NULL 2
NULL 2
NULL NULL
Left Outer Join
qry5:select record_name,recordcount from record left outer
join record1 on
record.record_id=record1.record_code
Result:
a 2
b 2
b 24
b NULL
c NULL
Right Outer Join
qry6:select record_name,recordcount from record right outer
join record1 on
record.record_id=record1.record_code
Result:
a 2
b 2
b 24
NULL 2
NULL 2
NULL NULL
Full Outer Join
qry7:select record_name,recordcount from record full outer
join record1 on
record.record_id=record1.record_code
Result:
a 2
b 2
b 24
b NULL
c NULL
NULL 2
NULL 2
NULL NULL

"Their is No Left Inner Join,Right Inner Join in SQL Server

What are the dmvs? : sql server database administration

0 Answers  

---

Explain trigger and trigger types?

0 Answers  

---

What is difference between join and natural join?

0 Answers  

---

Do you know sql server 2008 backup compression?

0 Answers  

---

How many cores do I need for sql server 2016?

0 Answers  

---

1. Tell me your daily activities 2. If sql server installation fails at time installation what will do 3. Where does the sql server installation log details are stored 4. After the installation what will you do for memory configuration 5. What is the difference between SQL max maximum memory and AWE memory 6. How will you configure AWE memory 7. How will setup an email alert for the backup job 8. After the SQL installation what are the jobs will you configure 9. What does –g mean in the sql startup parameter 10. What is the difference between Bulked log and Full recovery model 11. What is the difference between mirroring and log shipping 12. What are the steps to be followed before in-place up gradation 13. After installing the patch the sql server does not start and application team tells to rollback the changes .In this scenario what will you do

0 Answers   CSC, IBM,

---

what is a transaction? : Sql server database administration

0 Answers  

---

We need to perform what steps in the following order to work with a cursor?

0 Answers  

---

as a part of your job, what are the dbcc commands that you commonly use for database maintenance? : Sql server database administration

0 Answers  

---

Do you know the cursor optimization tips?

0 Answers  

---

What are the purposes of floor and sign functions?

0 Answers  

---

What is application role in sql server database security? : sql server security

0 Answers  

---