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BIT_OR() Function in MySQL

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  • Last Updated : 24 Dec, 2020

BIT_OR() function in MySQL is used to return the bitwise OR of all bits in a given expression. It first converts all decimal values into binary values, and then perform bitwise or operation on those binary values.

Syntax :

BIT_OR(expr)

Parameter : This method accepts only one parameter.

  • expr –
    Input expression on which we want to apply BIT_OR function.

Returns : It returns bitwise OR of all bits in a given expression.

Example-1 :
To demonstrate the working of the BIT_OR function, we will have to first create a table named EmployeeDetails.

CREATE TABLE EmployeeDetails(
Employee_Id INT AUTO_INCREMENT,  
Employee_Name VARCHAR(100) NOT NULL,
Working_At VARCHAR(20) NOT NULL,
Work_Location  VARCHAR(20) NOT NULL,
Joining_Date DATE NOT NULL,
Annual_Income INT  NOT NULL,
PRIMARY KEY(Employee_Id )
);

Now, inserting the values into the table –

INSERT INTO EmployeeDetails (Employee_Name, Working_At, 
Work_Location, Joining_Date, Annual_Income)
VALUES
('Amit Khan', 'XYZ Digital', 'Kolkata', '2019-10-06', 350000),
('Shreetama Pal', 'ABC Corp.', 'Kolkata', '2018-12-16', 500000),
('Aniket Sharma', 'PQR Soln.', 'Delhi', '2020-01-11', 300000),
('Maitree Jana', 'XYZ Digital', 'Kolkata', '2019-05-01', 400000),
('Priyanka Ojha', 'ABC Corp.', 'Delhi', '2019-02-13', 350000),
('Sayani Mitra', 'XYZ Digital', 'Kolkata', '2019-09-15', 320000),
('Nitin Dey', 'PQR Soln.', 'Delhi', '2019-10-06', 250000),
('Sujata Samanta', 'PQR Soln.', 'Kolkata', '2020-10-06', 350000),
('Sudip Majhi', 'ABC Corp.', 'Delhi', '2018-10-30', 600000),
('Sanjoy Kohli', 'XYZ Digital', 'Delhi', '2019-04-18', 450000);

To verify used the following command as follows –

Select * FROM EmployeeDetails;

Output :

EMPLOYEE_IDEMPLOYEE_NAMEWORKING_ATWORK_LOCATIONJOINING_DATEANNUAL_INCOME
1Amit KhanXYZ DigitalKolkata2019-10-06350000
2Shreetama PalABC Corp.Kolkata2018-12-16500000
3Aniket SharmaPQR Soln.Delhi2020-01-11300000
4Maitree JanaXYZ DigitalKolkata2019-05-01400000
5Priyanka OjhaABC Corp.Delhi2019-02-13350000
6Sayani MitraXYZ DigitalKolkata2019-09-15320000
7Nitin DeyPQR Soln.Delhi2019-10-06250000
8Sujata SamantaPQR Soln.Kolkata2020-10-06350000
9Sudip MajhiABC Corp.Delhi2018-10-30600000
10Sanjoy KohliXYZ DigitalDelhi2019-04-18450000

Now we will find the BIT_OR of the annual income of all the employees company-wise from the EmployeeDetails table.

SELECT Working_At, BIT_OR(Annual_Income) AS BITORINCOME 
FROM EmployeeDetails group by Working_At;

Output :

WORKING_ATBITORINCOME
XYZ Digital524272
ABC Corp.1046512
PQR Soln.514032


Example-2 :
Now we will find the BIT_OR of the annual income of all the employee location wise from the EmployeeDetails table.

SELECT Work_Location, BIT_OR(Annual_Income) AS BITORINCOME 
FROM EmployeeDetails 
Group By Work_Location;

Output :

WORK_LOCATIONBITORINCOME
Kolkata524208
Delhi1048560


Example-3 :
Firstly Creating a StudentMarks table –

CREATE TABLE StudentMarks(
StudentId INT AUTO_INCREMENT,  
StudentName VARCHAR(100) NOT NULL,
Class VARCHAR(20) NOT NULL,
Roll INT NOT NULL,
Sub1Mark INT NOT NULL,
Sub2Mark INT NOT NULL,
Sub3Mark INT NOT NULL,
TotalMarks INT NOT NULL,
PRIMARY KEY(StudentId)
);

Inserting data into the table –

INSERT INTO StudentMarks
(StudentName, Class, Roll, Sub1Mark, 
Sub2Mark, Sub3Mark, TotalMarks)
VALUES
('Amit Jana', 'V', 10100, 85, 80, 95, 260),
('Labanya Mallick', 'VI', 11000, 81, 89, 95, 265),
('Virat Sharma', 'VI', 12000, 75, 83, 90, 248),
('Sayani Samanta', 'V', 13000, 95, 90, 99, 284),
('Riyanka Panda', 'V', 14000, 70, 87, 88, 245),  
('Ritika Shah', 'VI', 15000, 78, 89, 90, 257);

To verify used the following command as follows –

SELECT  * From StudentMarks;

Output :

STUDENTIDSTUDENTNAMECLASSROLLSUB1MARKSUB2MARKSUB3MARKTOTALMARKS
1Amit JanaV10100858095260
2Labanya MallickVI11000818995265
3Virat SharmaVI12000758390248
4Sayani SamantaV13000959099284
5Riyanka PandaV14000708788245
6Ritika ShahVI15000788990257

Now we will find the BIT_OR of total marks of all the student class wise from the StudentMarks table.

SELECT Class, BIT_OR(TotalMarks) AS BITORMARKS 
FROM StudentMarks 
Group By Class;

Output :

CLASSBITORMARKS
V509
VI505
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