Tuesday, 22 August 2017

Maktron Global IT Solutions hiring Freshers as Java Developer @ Bangalore & Hyderabad

Maktron Global IT Solutions published job link for hiring freshers as Java Developer Profile in Bangalore & Hyderabad, so guys you need to apply as soon as possible.
Maktron-Global-IT-Solutions-java-developer-jobs

Company Name:  Maktron Global IT Solutions
Website:  www.maktron.in
Qualification:  Any Graduate
Location:  Bangalore & Hyderabad
Experience:  Freshers (0 to 1 years)
Job Role: Java Developer
Salary: Not disclosed by HR

Salary: 9.5 LPA to 15 LPA, Ansys Off Campus for Freshers Software Developer @ Bangalore

Required Skills/ Qualification:

- Any Graduate can apply for this Java Developer profile job
-  Candidates should have good knowledge on Java, Core Java, JSP Servlets and AngularJS
- Basic knowledge on database architecture
- Good knowledge on software development life cycle
- Able to design, build, and maintain efficient, reusable, and reliable Java code
- Write well designed, testable, efficient code
- Good communication skills are required
- Willing to work on rotational shifts
- Ensure the best possible performance, quality, and responsiveness of the applications
 - Interview Rounds: Online Test and Face to Face interview
- Shortlisted candidates will get interview call letter


Click Here to Apply Online

Note: Most frequently asked technical interview question in Maktron Global IT Solutions is “What is Encapsulation, Real Time Example of Encapsulation, Advantages & Disadvantages

Some more software developer Jobs to Apply:

Eminentlabs Registration link for Freshers as Software Developer in Across India

Genpact AMCAT Registration Link for Freshers (No Need of AMCAT Score) as Software Developer

Maktron Global IT Solutions Off Campus for Freshers as .Net Developer @ Bangalore & Hyderabad

Note: If you find any issues while you are applying to this job, please let us know by commenting below. We will solve your issue as soon as possible.

You may also search in Google as:
FreshersJunction: Maktron Global IT Solutions Hiring Freshers as Java Developer Profile in Bangalore & Hyderabad on August 2017, Java Developer jobs in Maktron Global IT Solutions, Java Developer job openings in Maktron Global IT Solutions,  Maktron Global IT Solutions Jobs in Bangalore & Hyderabad for freshers , Java Developer  jobs in Maktron Global IT Solutions for freshers , Java Developer freshers  jobs in Maktron Global IT Solutions, Maktron Global IT Solutions jobs for freshers in Bangalore & Hyderabad.

Maktron Global IT Solutions Off Campus for Freshers as .Net Developer @ Bangalore & Hyderabad

Maktron Global IT Solutions published job link for hiring freshers as .Net Developer Profile in Bangalore & Hyderabad, so guys you need to apply as soon as possible.
Maktron-Global-IT-Solutions-.net-developer

Company Name:  Maktron Global IT Solutions
Website:  www.maktron.in
Qualification:  Any Graduate
Location:  Bangalore & Hyderabad
Experience:  Freshers (0 to 1 years)
Job Role: .Net Developer
Salary: Not disclosed by HR

Maktron Global IT Solutions hiring Freshers as Java Developer @ Bangalore & Hyderabad

Required Skills/ Qualification:

- Any Graduate can apply for this .Net Developer profile job
- Knowledge of C#.Net 3.0/4.0/4.5, ASP.NET, ADO.NET, Linq, MVC, JQuery, Knockout JS with .net
- Good proficiency CSS, HTML, AJAX, XML, XML Schema & JavaScript
- Freshers should have good knowledge on object oriented programming language
- Should have good aptitude skills
- Candidate must be a good team player
- Good communication skills are required
- Willing to work on rotational shifts
- good knowledge on SQL server will be added as advantage
 - Interview Rounds: Online Test and Face to Face interview
- Shortlisted candidates will get interview call letter


More Details & Register Online

Note: Most frequently asked technical interview question in Maktron Global IT Solutions is “What is Polymorphism? Types of Polymorphism? Real Time Examples

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Note: If you find any issues while you are applying to this job, please let us know by commenting below. We will solve your issue as soon as possible.

You may also search in Google as:
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Sunday, 20 August 2017

Salary: 9.5 LPA to 15 LPA, Ansys Off Campus for Freshers Software Developer @ Bangalore

Ansys published job link for hiring freshers as Software Developer Profile in Bangalore, so guys you need to apply as soon as possible.
Ansys-off-campus-for-freshers

Company Name:  Ansys
Website:  www.ansys.com
Qualification:  BE/ BTech/ ME/ MTech (All Branches)
Location:  Bangalore
Experience:  Freshers (0 to 3 years)
Job Role: Software Developer
Salary: Not disclosed by HR

HCL Off Campus for BE/ BTech Graduates - Analyst Profile @ Bangalore

Required Skills/ Qualification:

- Candidates from BE/ BTech/ ME/ MTech (All Branches) can apply for this Software Developer profile job
- Freshers should be only from 2015 or 2016 or 2017 batch pass out
- Freshers should have good communication skills
- Freshers should have good knowledge on C++
- Strong working knowledge of the Linux operating system
- Strong background in data structures, algorithms, OS Concepts and debugging
- Candidate should be a quick learner
- Must be a good team player
- Ability to complete high-quality work on time
- Good knowledge on Python programming language will be added as advantage
- We have 5 openings for this job profile
- Interview Rounds: Online Test and Face to Face interview
- Shortlisted candidates will get interview call letter


More Details & Apply Online Here

Note: Most frequently asked technical interview question in Ansys is “explain about object oriented programming language concepts

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Note: If you find any issues while you are applying to this job, please let us know by commenting below. We will solve your issue as soon as possible.

You may also search in Google as:
FreshersJunction: Ansys Hiring Freshers as Software Developer Profile in Bangalore on September 2017, Software Developer jobs in Ansys, Software Developer job openings in Ansys.

HCL Off Campus for BE/ BTech Graduates - Analyst Profile @ Bangalore

HCL Technologies published job link for hiring freshers as Analyst Profile @ Bangalore, so guys you need to apply as soon as possible

HCL-Technologies-employment-form
Company Name:  HCL Technologies
Website:  www.hcltech.com
Qualification:  BE/ BTech
Location:  Bangalore
Experience:  Freshers (0 years)
Job Role: Analyst
Salary:  Best in Industry

Required Skills/ Qualification:

- Eligibility for the Position of Software Engineer Profile is BE/ BTech
- Graduates pass out year must be 2016 or 2017
- Freshers we have 7 openings for this job profile
- Freshers should have good problem solving skills
- Willing to work on rotational shifts
- Good academic background is added as advantage
- Good communication skills are required
- Applicants must be ready to relocate
- Should have good aptitude and logical skills
- Shortlisted candidates can get interview call letter


More Details & Register Online Here

Note: Most frequently asked technical interview question in HCL Technologies is “What Is Inheritance In Oops? Real Time Example? Program ? Advantages And Disadvantages?

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TCS Registration link for BE/ BTech/ ME/ MTech/ MSc/ MCA Graduates for Software Engineer Profile

You may also search in Google as:
FreshersJunction: HCL Technologies Hiring Freshers as Analyst Profile in Bangalore on August 2017, Analyst jobs in HCL Technologies, Analyst job openings in HCL Technologies,  HCL Technologies Jobs in Bangalore for freshers , Analyst  jobs in HCL Technologies for freshers , Analyst freshers  jobs in HCL Technologies, HCL Technologies jobs for freshers in Bangalore.

Amazon Off Campus for Freshers as Software Engineer - BTech, MTech, MCA, MSc

Amazon published job link for hiring freshers as Software Development Engineer Profile @ Hyderabad, so guys you need to apply as soon as possible
Amazon-off-campus-freshers

Company Name :  Amazon
Website :  www.amazon.com
Qualification : Bachelor's Degree or Master's degree or equivalent
Location:  Hyderabad
Experience :  Frehsers (0 to 3 years)
Job Role : Software Development Engineer
Salary :  Best in Industry              

Required Skills/ Qualification:

- Educational qualification is Bachelor's degree or Master's degree or equivalent
- Freshers only from 2015, 2016 and 2017 batch Graduates can register
- Applicants must have strong communication skills
- Good knowledge on Linux and Lean methodology is added as advantage
- Applicants must have strong knowledge on  programming languages of Java, C/ C++
- Applicants must have strong knowledge of the technical platforms of the project
- Good knowledge on Perl/ Python is a plus
- Experience with data analysis/mining in large scale database environments
- Should be comfortable with working on Unix/Linux based operating systems
Applicant must be self motivated
- Apply as soon as possible before link getting expired


More Details and Register (Here you have to apply)

Note: Most frequently asked technical interview question in Amazon is “Real Time Example of Inheritance In Oops

More MNC Companies Jobs for You:

Capgemini        Accenture          Wipro


You may also search in Google as:
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Saturday, 19 August 2017

Wipro Registration Link for Freshers, Software Developer, Salary: 3.6 LPA, Across India

Wipro published job link for hiring freshers as Software Developer Profile @ Across India, so guys you need to apply as soon as possible
Wipro-software-developer-registration-link-freshers

Company Name:  Wipro
Website:  www.wipro.com
Qualification:  BE/ BTech/ ME/ MTech/ MCA/ MSc/ BSc
Location:  Across India
Experience:  Freshers (0 Years)
Job Role: Software Developer
Salary:  3.6 LPA

Required Skills/ Qualification:

- Eligibility for the Position of Software Developer Profile is BE/ BTech/ ME/ MTech/ MCA/ MSc/ BSc (Any branch)
- Graduates from 2015, 2016 and 2017 batch pass out are eligible to apply
- Freshers should have strong knowledge on Oops Concepts
- Applicants must have strong knowledge on any one of programming languages like Java, C/C++, C#, Android, Linux/ Unix
- Candidates must have good communication skills
- Strong programming skills are required
- Candidates must be ready to relocate anywhere across India
- Must be willing to work on rotational shifts
- Freshers must have good technical background
- Candidates must be a good team player
- Must have strong aptitude skills
- Shortlisted candidates can get interview call letter


More Details and Register Online

Note: Most frequently asked technical interview question in Wipro is “SQL Query to get Department wise Maximum Salary Employee Details from SQL server Table

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You may also search in Wipro as:
FreshersJunction: Wipro Hiring Freshers as Software Developer Profile in Across India on April 2017, Software Developer jobs in Wipro, Software Developer job openings in Wipro,  Wipro Jobs in Across India for freshers , Software Developer  jobs in Wipro for freshers , Software Developer freshers  jobs in Wipro, Wipro jobs for freshers in Across India.

Friday, 18 August 2017

Capgemini Hiring Freshers for Software Developer Profile @ Bangalore/ Pune

Capgemini published job link for hiring freshers as Software Developer Profile @ Bangalore/ Pune, so guys you need to apply as soon as possible

Capgemini-logo-images
Company Name :  Capgemini
Website :  www.capgemini.com
Qualification : BE/ BTech (All branches)
Location:  Bangalore/ Pune
Experience :  Fresher
Job Role : Software Developer
Salary :  Best in Industry                   

Required Skills/ Qualification:

- Educational qualification is BE/ BTech (All branches)

- Applicants from 2016, 2017 batch pass out can apply
-  Applicants must have 60% of aggregate marks 10th, 12th and graduation.
- Candidates should have valid training/certification/work experience in Mainframe
- Candidates should be trained in Mainframes
- Job location for the selected candidates is Bangalore/ Pune, but should be flexible in relocating to any location (PAN INDIA)
- Applicants must have good communication skills
- Should not have any gaps in education
- Interview location is Bangalore/ Chennai, Job location is Bangalore only
- Candidates should be willing to join immediately
- Interested and eligible candidates can send their resume to Vijeyta.kataria@capgemini.com and apply
- Shortlisted candidates will get Interview details through email


More Details and Register Here

Note: Most frequently asked technical interview question in Capgemini is “Difference Between Varchar and Varchar2

Mindfire Solutions Registration link for freshers as Software Developer @ Across India

You may also search in Google as:
FreshersJunction: Capgemini Hiring Freshers for software developer Profile in Bangalore/ Pune on September 2017, Freshers jobs in Capgemini for mainframes

Thursday, 17 August 2017

Salary: 3.5 LPA, DMart Off Campus Drive 2017 For Freshers As Graduate Engineer Trainee @ Across India

DMART published job link for hiring freshers as Graduate Engineering Trainee Profile in Across India, so guys you need to apply as soon as possible.
DMART-off-campus-drive-2017

Company Name:  DMART
Website:  www.dmart.com
Qualification:  BE/BTech
Location:  Across India
Experience:  Freshers (0 years)
Job Role: Graduate Engineering Trainee
Salary: 3.5 LPA

Philips Conducting Off-Campus for Freshers as Software Engineer

Required Skills/ Qualification:

- Graduates only from BE/BTech (Electrical Engineering) are eligible to apply for this Graduate Engineering Trainee profile job
-  Candidates only from 2017 batch graduates are eligible to apply
- 60% throughout academics (10th, 12th & BE Aggregate)
- Should not have any active backlogs
- Freshers should have good academic knowledge
- Salary package offered for selected candidates are 2.5 LPA to 3.5 LPA
- Good communication skills are required
- Candidate must be a good team player
- Job responsibility of freshers is Dry-run of DG / UPS / Inverter / Fire system to check health assessment of equipment.
 - Interview Rounds: Online Test and Face to Face interview
- Shortlisted candidates will get interview call letter


Click Here to Apply Online

Note: Most frequently asked technical interview question in DMART is “C program for Given Number Is Prime Number Or Not

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Note: If you find any issues while you are applying to this job, please let us know by commenting below. We will solve your issue as soon as possible.

Wednesday, 16 August 2017

Mindfire Solutions Registration link for freshers as Software Developer @ Across India

Mindfire Solutions published job link for hiring freshers as Software Developer Profile @ Across India, so guys you need to apply as soon as possible
Mindfire-Solutions-registration-link-freshers

Company Name :  Mindfire Solutions
Website :  www.mindfiresolutions.com
Qualification : BE /BTech/ ME/ MTech/ MCA/ Bsc/ Msc/ MCA
Location:  Across India
Experience :  Fresher (0 years)
Job Role : Software Developer
Salary :  Best in Industry

Required Skills/ Qualification:

- Eligibility for this job profile BE /BTech/ ME/ MTech/ MCA/ Bsc/ Msc/ MCA

-  Freshers from 2015 or 2016 or 2017 batch pass out can apply
-  Good academic records are added as advantage
- Applicants should have good knowledge on any one of programming language
- Good communication skills are required
- Must be open to relocate if required
- Candidate should have good Aptitude skills
- Selection process rounds are Written (Aptitude), Technical (Based on your choice subject) and then final round is HR Round
- Salary package details will be discussed at the time of selection process
- Shortlisted candidates can get interview call letter


More Details and Register

Note: Most frequently asked technical interview question in Mindfire Solutions is “Real time examples of Oops Concepts

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You may also search in Google as:
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Tuesday, 15 August 2017

Yash Technologies Walkin for Freshers as Software Developer on 19th August 2017

Yash Technologies walkin for freshers as Software Developer Profile in Pune, but before attending walkin you have to register for this walkin.
Yash-Technologies-Walkin-for-Freshers-as-Software Developer

Company Name:  Yash Technologies
Website:  www.yash.com
Qualification:  BE/ BTech/ MCA/ MTech
Location:  Pune
Experience:  Freshers (0 to 1 years)
Job Role: Software Developer (.Net/ SharePoint)
Salary: Not disclosed by HR

Red hat hiring freshers for the position of Software Engineer in Bangalore

Required Skills/ Qualification:

- Candidates from BE/ BTech/ MCA/ MTech can apply for this Software Developer profile job
- Freshers should be only from 2015 or 2016 or 2017 batch pass out
- Freshers should have minimum of 60% aggregate marks throughout academic career
- Freshers should have good communication skills
- Freshers should have good knowledge on .Net or SharePoint
- Should be flexible to work/relocate to any location within India for project assignments
- Strong programming background
- Should have strong Aptitude and Data Interpretation skills
- Interview Rounds: Online Test and Face to Face interview
- Shortlisted candidates will get interview call letter


Click Here to Register Online

Note: Most frequently asked technical interview question in Yash Technologies is “Difference between Isnull and Coalesce in SQL Server

Note: If you find any issues while you are applying to this job, please let us know by commenting below. We will solve your issue as soon as possible.

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Sal: 5.0 LPA | Liventus hiring Freshers For The profile of Application Developer (Entry Level)

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Sal: 5.0 LPA | Liventus hiring Freshers For The profile of Application Developer (Entry Level)

Liventus published job link for hiring freshers as Application Developer Profile in Bangalore, so guys you need to apply as soon as possible
Liventus-application-developer-jobs

Company Name:  Liventus
Website:  www.liventus.com
Qualification:  Any Graduate
Location:  Bangalore
Experience:  Freshers (0 Years)
Job Role: Application Developer
Salary:  Best in industry 2.5 LPA to 5.0 LPA


Required Skills/ Qualification:

- Freshers from Any Graduateare eligible to apply for this Application Developer job
-  Graduates should have good knowledge on .Net (ASP.NET and C#)
- Able to solve trouble shooting issues
- Create and support complex code structures in both VB.NET and C#
- Strong English communication skills are required
- Good knowledge on MS SQL Server is required
- Candidate must be a self starter and quick learner
- Must be flexible to work on rotational shifts
- Good interpersonal skills are required
- Must have good logical skills
- Shortlisted candidates can get interview call letter


Apply Online Here

Apply Link 2

Note: Most frequently asked technical interview question in Liventus is “Difference Between Control Flow and Data Flow in SSIS

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Cisco    TCS    Quest Global    Genpact    Eminentlabs

You may also search in Google as:
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Sunday, 13 August 2017

JPMorgan Chase Off Campus for Freshers Quality Assurance - Associate @ Hyderabad

JPMorgan Chase published job link for hiring freshers as Quality Assurance - Associate Profile in Hyderabad, so guys you need to apply as soon as possible.
JPMorgan-Chase-Off-Campus-for-Freshers

Company Name:  JPMorgan Chase
Website:  www.jpmorganchase.com
Qualification:  Bachelor's degree in computer science
Location:  Hyderabad
Experience:  Freshers (0 to 1 years)
Job Role: Quality Assurance - Associate
Salary: Not disclosed by HR

Apple Conducting Off Campus for Freshers @ Bangalore

Required Skills/ Qualification:

- Candidates who have Bachelor's degree in computer science or specialized training, equivalent work experience can apply for this Quality Assurance - Associate profile job
- Freshers should be only from 2015 or 2016 or 2017 batch pass out
- Freshers should have good communication skills
- Freshers should have good knowledge on SQL Server
- Strong knowledge of Test Automation Frameworks
- Strong programming background
- Good knowledge on Java Script, Java is required
- Good knowledge on Unix script
- Good understanding of different SDLCs
- Interview Rounds: Online Test and Face to Face interview
- Shortlisted candidates will get interview call letter


Click Here to More Details & Apply Online

Note: Most frequently asked technical interview question in JPMorgan Chase is “coalesce function in SQL server with example

If you find any issues while you are applying to this job, please let us know by commenting below. We will solve your issue as soon as possible.

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Nokia jobs for freshers | 2015 | 2016 | 2017 | Profile: Graduate Engineering Trainee in Bangalore

Nokia published job link for hiring freshers as Graduate Engineering Trainee Profile in Bangalore, so guys you need to apply as soon as possible.
Nokia-jobs-for-freshers

Company Name:  Nokia
Website:  www.nokia.com
Qualification:  BE/ BTech/ MCA
Location:  Bangalore
Experience:  Freshers (0 Years)
Job Role: Graduate Engineering Trainee
Salary: From 3.2 LPA to 4.8 LPA

TCS jobs for freshers | 2015 | 2016 | 2017 | Profile: Software Developer

Required Skills/ Qualification:

- Graduates only from BE/ BTech/ MCA are eligible to apply for this Graduate Engineering Trainee profile job
-  Candidates from 2015 or 2016 or 2017 batch graduates  are eligible to apply
- Only freshers are eligible to apply
- Freshers should have excellent programming skills in Core Java with good knowledge of XML and Eclipse IDE environment
- Must have good communication skills in both written and verbal
- Job ID of this Graduate Engineering Trainee job profile is 1600000732
- Candidate must have good problem solving approach
- RDBMS – Oracle 11 and PL/SQL knowledge will be essential
- Good academic records are added as advantage
- Candidates should have innovative thinking and logical skills
- Knowledge of Java Swing and servlets will be a plus
- Interview Rounds : Online Test and Face to Face interview
- Shortlisted candidates can get interview call letter


Click Here to Apply Online

Note: Most frequently asked technical interview question in Nokia is “Difference Between Method Overloading and Method Overriding in .Net/ JAVA

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Note: If you find any issues while you are applying to this job, please let us know by commenting below. We will solve your issue as soon as possible.

Saturday, 12 August 2017

Difference between Isnull and Coalesce in SQL Server

Difference between Isnull and Coalesce


Both Isnull and Coalesce functions are work similarly in SQL Server as both functions used to work on Null values.
Difference-between-Isnull-and-Coalesce-in-SQL-Server

Now we will discuss about both isnull and coalesce functions individually.


What is Isnull function in SQL Server?

Isnull function is used to replace the Null values with some specified value.

Syntax of Isnull function in SQL Server:

ISNULL(expression, specified_value)

Get more details @ Isnull function with example in sql server

What is Coalesce function in SQL Server?

Coalesce function is used to get first not Null value among its arguments.

Syntax of Coalesce function in SQL Server:

COALESCE (expression1,expressions2, ...)

Get more details @ Coalesce function with example in sql server

I hope, now you understood how Isnull and Coalesce functions will work in sql server.

Now we discuss about what is the difference between Isnull and Coalesce in SQL Server

1st difference between Isnull and Coalesce in SQL Server:

Isnull function is used to replace the Null values with some specified value and Coalesce function is used to get first not Null value among its arguments

2nd difference between Isnull and Coalesce in SQL Server:


Isnull function is a specific to the sql server and Coalesce function is a ANSI standard

3rd difference between Isnull and Coalesce in SQL Server:


Isnull function returns the same data type as of first argument and coalesce function returns the data type as of its first argument

Example: We have table named as Employee_Contact_Number in sql server as below

Eid
Ename
Mobile_Number
101
Mahesh
9999999999
102
Pawan
NULL
103
Venkat
NULL
104
Vasu
123467890
105
Khadar
90767433893

Now we want to display ‘Not Available’ wherever the Mobile_Number value is null.

In this scenario, we will use isnull function, right?

Yes, we should use isnull function only. Ok let’s use isnull function as below

SELECT  [Eid]
      ,[Ename]
      ,isnull([Mobile_Number], 'Not Available')
  FROM [Employee_Contact_Number]

As of Isnull function definition, the above query should replace the null value as ‘Not Available’. But if you ran the above query, it will give error as “Error converting data type varchar to bigint”.

Cause of Error:  Isnull function returns the same data type as of first argument

So to resolve the above error you have to write the query as

SELECT  [Eid]
      ,[Ename]
      ,isnull(cast([Mobile_Number] as varchar(50)), 'Not Available')  as [Mobile_Number]
  FROM [Employee_Contact_Number]

4th difference between Isnull and Coalesce in SQL Server:

By observing the syntax of both Isnull and coalesce function, we can say that Isnull function will only two arguments whereas coalesce function will use ‘n’ number of arguments

That’s all, differences between Isnull and coalesce functions are got over.

Which is faster?

In the query performance point of view, we should know which function is faster. In both of Isnull and Coalesce functions Isnull is faster than coalesce function because of isnull function is specific built in function in sql server and coalesce translates to case statement

Note: If you know any more information about difference between Isnull and coalesce function is sql server then please comment here. That will help others.

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Coalesce Function in SQL Server

coalesce function-in-SQL-server-with-example

Coalesce function will use in very rare case in real time, but it is very important interview question in sql server. Both Isnull function and Coalesce function works similar, so there are chances to get confuse. Let we discuss about Coalesce function with example so that you can remember easily.

What is Coalesce function in sql server?

Coalesce function is used to "returns the first nonnull expression among its arguments"



what is syntax of Coalesce function in sql server?

COALESCE( expression1, expression2, ... expression_n )

Coalesce function in sql server with example

Run the below query in sql server management studio (ssms)

SELECT COALESCE(NULL, NULL, 'FreshersJunction', NULL, 'SQL Server')

The Output is: FreshersJunction

By the above example we can clearly understand that Coalesce function returns the first nonnull expression among its arguments in sql server.

Now we will try some more examples for coalesce function in SQL Server

SELECT COALESCE(NULL, NULL, NULL, NULL, 'SQL Server')

The output is : SQL Server

SELECT COALESCE('Function', NULL, NULL, NULL,NULL)

The output is : Function

clearly observer the functionality of coalesce function, its looking like case statement, right?

Yes, coalesce function is shortcut for the CASE statement (only in the case of checking not null value). See the below example

CASE

WHEN (expression1 IS NOT NULL) THEN expression1
WHEN (expression2 IS NOT NULL) THEN expression2
...
ELSE expressionN
END

I hope now you have clear understanding on coalesce function.

Now, in what scenarios we will use coalesce function in sql sever with example.


Create the table by using below query

Create table Employee_Contact_Number
(Eid int, Ename nvarchar(255), Mobile_Number bigint,
Home_Number bigint, Office_Number bigint)

Insert the values by using below query in sql server

insert into Employee_Contact_Number values (101, 'Mahesh', 9999999999, Null, null)
insert into Employee_Contact_Number values (102, 'Pawan', Null, 0801234, null)
insert into Employee_Contact_Number values (103, 'Venkat', null, Null, 00912349686)
insert into Employee_Contact_Number values (104, 'Vasu', 123467890, Null, 0079911129)
insert into Employee_Contact_Number values (105, 'Khadar', 90767433893, 56972736333, 040782974645)

Now check the table

select * from Employee_Contact_Number

Output:

Eid
Ename
Mobile_Number
Home_Number
Office_Number
101
Mahesh
9999999999
NULL
NULL
102
Pawan
NULL
801234
NULL
103
Venkat
NULL
NULL
912349686
104
Vasu
123467890
NULL
79911129
105
Khadar
90767433893
56972736333
40782974645

Now from the above table we should get at least one contact number for each employee and 1st preference is Mobile_Number and 2nd preference is Home_Number and 3rd preference is Office_Number.

In the above scenario coalesce function will work exactly

select Eid, Ename, coalesce(Mobile_Number,Home_Number,Office_Number) as Contact_Number from Employee_Contact_Number

The output for the above query is

Eid
Ename
Contact_Number
101
Mahesh
9999999999
102
Pawan
801234
103
Venkat
912349686
104
Vasu
123467890
105
Khadar
90767433893

Now you understood scenarios of coalesce function in sql server, right?

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