Here I will explain that how to get sql data into xml and json format. As we know
in SQL SERVER Xml data type exists. json is light waited as compare to xml and
it is easy to use through JavaScript and jquery. so developer first choice to
move json. some of the developers are using external function for converting
sql data to json format. But we can do it by some modification of our sql query
as shown below.
json is most same as the xml. suppose we have a table employee which has five columns id and name,gender,salary,doj(Date of Joining)
json is most same as the xml. suppose we have a table employee which has five columns id and name,gender,salary,doj(Date of Joining)
--Sql Query------------------
create database test
use test
-- CREATE TABLE WHICH NAME EMPLOYEE
create table Employee
(
EmpId int primary key,
Name varchar(50),
Gender varchar(50),
Salary int,
Doj date
)
-- insert data-----
insert into Employee values (1,'Kush Tiwari','M',123456,'09/09/1987')
--how to get sql data into xml format
select * from employee for xml path('Node')
Result
<Node>
<EmpId>1</EmpId>
<Name>Kush Tiwari</Name>
<Gender>M</Gender>
<Salary>123456</Salary>
<Doj>1987-09-09</Doj>
</Node>
<Node>
<EmpId>2</EmpId>
<Name>Suresh Singh</Name>
<Gender>M</Gender>
<Salary>123456</Salary>
<Doj>1987-09-09</Doj>
</Node>
--how to get sql data into json
format.............
select '[' + STUFF((
select
',
{
"EmpId":' +
cast(EmpId as varchar(5))+ ',
"Name" :"' + Name + '"'+',
"Gender":"' + Gender + '"'+',
"Salary":' +
cast(Salary as varchar(10)) +',
"Doj":"' + cast(Doj as varchar(20)) + '"'+',
}'
from employee
for xml path(''), type
).value('.', 'varchar(max)'), 1, 1, '') + ']'
Result
[{
"EmpId":1,
"Name"
:"Kush Tiwari",
"Gender":"M",
"Salary":123456,
"Doj":"1987-09-09",
},
{
"EmpId":2,
"Name"
:"Suresh Singh",
"Gender":"M",
"Salary":123456,
"Doj":"1987-09-09",
}]
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