/* Aggregate Functions*/
CREATE TABLE BookDetails(
BookId int,
BookName varchar(255),
Author varchar(255),
Edition varchar(255),
Publisher varchar(255),
BookQuantity int,
BookPrice int
);
INSERT INTO BookDetails VALUES(101,'IT','Deniz','5','FED',20,120);
INSERT INTO BookDetails VALUES(102,'Java','Kesh','2','SAW',30,520);
INSERT INTO BookDetails VALUES(103,'FullStack','Rashk','3','FREK',21,220);
INSERT INTO BookDetails VALUES(104,'C++','Lokesh','9','KIM',33,180);
INSERT INTO BookDetails VALUES(105,'C#','Laashk','6','NORTH',22,310);
INSERT INTO BookDetails VALUES(106,'CUDA','Hrish','7','WEST',28,160);
INSERT INTO BookDetails VALUES(107,'Parallel Computing','Krissh','4','AAIRE',21,190);
INSERT INTO BookDetails VALUES(108,'Python','Ken','5','DEV',20,200);
INSERT INTO BookDetails VALUES(109,'SQL','Mathew','3','KANYE',30,310);
INSERT INTO BookDetails VALUES(110,'Database Management','James','4','SCOT',26,340);
INSERT INTO BookDetails VALUES(111,'Probability','Kanan','13','KATTY',24,470);
INSERT INTO BookDetails VALUES(112,'Mern','Denver','8','GOMEZ',34,320);
INSERT INTO BookDetails VALUES(113,'MongoDB','Travis','2','GREY',12,400);
SELECT *FROM BookDetails;
SELECT COUNT(*) AS No_of_Books FROM BookDetails;
SELECT AVG(BookPrice) as Average_Price FROM BookDetails;
SELECT SUM(BookQuantity) as Total_Books FROM BookDetails;
SELECT MAX(BookPrice) as Maximum_Book_Price FROM BookDetails;
SELECT MIN(BookPrice) as Minimum_Book_Price FROM BookDetails;
CREATE TABLE Customer(
CustId int ,
CustName varchar(255),
Purchase varchar(255),
PurchaseDate DATETIME,
Store varchar(255),
Price float
);
INSERT INTO Customer VALUES(201,'Rose','Stack','2023-01-12 12:12:23','LA',220.00);
INSERT INTO Customer VALUES(202,'Linda','SQL','2023-12-12 13:21:11','sedsa',310.00);
INSERT INTO Customer Values(203,'Kim','C++','2023-03-03 08:09:12','Eastr',234.00);
INSERT INTO Customer Values(104,'Kardas','C#','2012-12-01 23:12:54','Waq',241.23);
SELECT *FROM Customer;
SELECT CURTIME() AS currenttime;
SELECT CURDATE() AS currentdate;
SELECT NOW() AS DateTime;
SELECT CustId, PurchaseDate FROM Customer;
SELECT DATE(PurchaseDate) FROM Customer;
SELECT TIME(PurchaseDate) FROM Customer;
SELECT CustId , CustName , DATE(PurchaseDate) FROM Customer;
SELECT CustId , CustName , TIME(PurchaseDate) FROM Customer;
SELECT CustId , CustName , HOUR(PurchaseDate) FROM Customer;
SELECT CustId , CustName , MONTHNAME(PurchaseDate) FROM Customer;
SELECT EXTRACT(YEAR FROM '2023-11-21');
SELECT YEAR('2023-11-21');
SELECT MONTH('2023-11-21');
SELECT DAY('2023-11-21');
SELECT SECOND('13:22:12');
SELECT MINUTE('13:22:12');
SELECT HOUR("13:22:12");
SELECT MONTHNAME('2023-11-21');
SELECT DATE_ADD('2018-05-01',INTERVAL 1 DAY);
SELECT DATE_SUB('2018-05-01',INTERVAL 1 YEAR);
SELECT DATEDIFF('2007-12-31 23:59:59','2007-12-20');
SELECT DATE_FORMAT('1997-10-04 22:23:00','%D %a %b %Y %h %i %p') As DateFormatted;
CREATE TABLE BookDetails(
BookId int,
BookName varchar(255),
Author varchar(255),
Edition varchar(255),
Publisher varchar(255),
BookQuantity int,
BookPrice int
);
INSERT INTO BookDetails VALUES(101,' IT Basics ','Deniz','5','FED',20,120);
INSERT INTO BookDetails VALUES(102,' Java Programming ','Kesh','2','SAW',30,520);
INSERT INTO BookDetails VALUES(103,' Full Stack Programming ','Rashk','3','FREK',21,220);
INSERT INTO BookDetails VALUES(104,'C++ Programming','Lokesh','9','KIM',33,180);
INSERT INTO BookDetails VALUES(105,'C# Programming','Laashk','6','NORTH',22,310);
INSERT INTO BookDetails VALUES(106,'CUDA Programming','Hrish','7','WEST',28,160);
INSERT INTO BookDetails VALUES(107,'Parallel Computing','Krissh','4','AAIRE',21,190);
INSERT INTO BookDetails VALUES(108,'Python Programming','Ken','5','DEV',20,200);
INSERT INTO BookDetails VALUES(109,'SQL Programming','Mathew','3','KANYE',30,310);
INSERT INTO BookDetails VALUES(110,'Database Management','James','4','SCOT',26,340);
INSERT INTO BookDetails VALUES(111,'Probability','Kanan','13','KATTY',24,470);
INSERT INTO BookDetails VALUES(112,'Mern Programming','Denver','8','GOMEZ',34,320);
INSERT INTO BookDetails VALUES(113,'MongoDB Connectivity','Travis','2','GREY',12,400);
SELECT *FROM BookDetails;
SELECT BookId , UPPER(BookName) AS BookNameUppercase FROM BookDetails;
SELECT BookId , LOWER(Publisher) AS PublisherLowercase FROM BookDetails;
SELECT BookId , CONCAT(BookName,Author,Edition) AS CONCAT1 FROM BookDetails WHERE BookId<=105;
SELECT BookId , CONCAT_WS(',',BookName,Author,Edition) AS CONCAT2 FROM BookDetails WHERE BookId<=105;
SELECT BookId , LENGTH(BookName) AS LenghtofBook FROM BookDetails WHERE BookId<=103;
SELECT BookId , BIT_LENGTH(BookName) AS BitLenghtofBook FROM BookDetails WHERE BookId<=103;
SELECT BookId , CHAR_LENGTH(BookName) AS CharLenghtofBook FROM BookDetails WHERE BookId<=103;
SELECT BookId , FORMAT(BookPrice,4) AS Price FROM BookDetails;
SELECT BookId , REPEAT(Publisher,2) AS ReapeatPublisher FROM BookDetails WHERE BookId<=104;
SELECT BookId , REPLACE(Edition,Edition,5) AS ReplaceEdition FROM BookDetails WHERE BookId<=105;
SELECT BookId , REVERSE(Author) AS ReverseAuthor FROM BookDetails WHERE BookId<=103;
SELECT SPACE('7') AS SPACE;
SELECT TRIM(BookName) AS TrimBookName FROM BookDetails WHERE BookId<=103;
CREATE TABLE Employee (
Empid int,
EmpName varchar(255),
Designation varchar(255),
Salary float
);
INSERT INTO Employee VALUES(101,'Harshh','Manager',20000);
INSERT INTO Employee VALUES(102,'Denver','Sales Analyst',10000);
INSERT INTO Employee VALUES(103,'Travis','CFO',30000);
INSERT INTO Employee VALUES(104,'Scott','Sales Analyst',10000);
INSERT INTO Employee VALUES(105,'Yash','CEO',40000);
INSERT INTO Employee VALUES(106,'Grey','Marketing',25000);
INSERT INTO Employee VALUES(107,'Jammie','Agent',10000);
SELECT *FROM Employee;
/* %FOUND %ROWCOUNT insert*/
BEGIN
INSERT INTO Employee VALUES (101,'Ana','Agent',15000);
IF SQL%FOUND then
dbms_output.put_line('Rows Inserted : ' || SQL%ROWCOUNT);
ELSE
dbms_output.put_line('No Rows inserted');
END IF;
END;
/
SELECT *FROM Employee;
/* update */
BEGIN
UPDATE Employee
set EmpName='Swati',Designation='Marketing'
where Empid = 102;
IF SQL%ROWCOUNT > 0 then
dbms_output.put_line('Rows Updated : ' ||SQL%ROWCOUNT);
COMMIT;
ELSE
dbms_output.put_line('Rows Not Updated');
END IF;
END;
/
SELECT *FROM Employee;
/* isopen delete*/
BEGIN
DELETE FROM Employee WHERE Empid>104;
IF SQL%ISOPEN then
dbms_output.put_line('Rows Updated in IF : '|| SQL%ROWCOUNT);
ELSE
dbms_output.put_line('Rows Updated in ELSE : '|| SQL%ROWCOUNT);
END IF;
END;
/
/* not found*/
BEGIN
IF SQL%NOTFOUND then
dbms_output.put_line('No data in table');
ELSE
dbms_output.put_line('Table Conatins Data');
END IF;
END;
/
SELECT *FROM Employee;
BEGIN
DELETE FROM Employee;
IF SQL%ISOPEN then
dbms_output.put_line('Rows Updated in IF : '|| SQL%ROWCOUNT);
ELSE
dbms_output.put_line('Rows Updated in ELSE : '|| SQL%ROWCOUNT);
END IF;
END;
/
BEGIN
DELETE FROM Employee WHERE Empid=101;
IF SQL%NOTFOUND then
dbms_output.put_line('No data in table');
ELSE
dbms_output.put_line('Table Conatins Data');
END IF;
END;
/
SELECT *FROM Employee;
CREATE TABLE Employee (
Empid int,
EmpName varchar(255),
Designation varchar(255),
Salary float
);
INSERT INTO Employee VALUES(101,'Harshh','Manager',20000);
INSERT INTO Employee VALUES(102,'Denver','Sales Analyst',10000);
INSERT INTO Employee VALUES(103,'Travis','CFO',30000);
INSERT INTO Employee VALUES(104,'Scott','Sales Analyst',10000);
INSERT INTO Employee VALUES(105,'Yash','CEO',40000);
INSERT INTO Employee VALUES(106,'Grey','Marketing',25000);
INSERT INTO Employee VALUES(107,'Jammie','Agent',10000);
SELECT *FROM Employee;
DECLARE
e_id Employee.Empid%type;
e_name Employee.EmpName%type;
e_salary Employee.Salary%type;
CURSOR e_employee IS
select Empid ,EmpName,Salary From Employee;
BEGIN
OPEN e_employee;
LOOP
FETCH e_employee INTO e_id,e_name,e_salary;
EXIT WHEN e_employee%NOTFOUND;
DBMS_OUTPUT.PUT_LINE('Employee ID: ' || e_id);
DBMS_OUTPUT.PUT_LINE('Employee Name: ' || e_name);
DBMS_OUTPUT.PUT_LINE('Employee Salary: ' || e_salary);
DBMS_OUTPUT.PUT_LINE('-------------------');
END LOOP;
CLOSE e_employee;
END;
/
CREATE TABLE Employee (
Empid int,
EmpName varchar(255),
Designation varchar(255),
Salary float
);
INSERT INTO Employee VALUES(101,'Harshh','Manager',20000);
INSERT INTO Employee VALUES(102,'Denver','Sales Analyst',10000);
INSERT INTO Employee VALUES(103,'Travis','CFO',30000);
INSERT INTO Employee VALUES(104,'Scott','Sales Analyst',10000);
INSERT INTO Employee VALUES(105,'Yash','CEO',40000);
INSERT INTO Employee VALUES(106,'Grey','Marketing',25000);
INSERT INTO Employee VALUES(107,'Jammie','Agent',10000);
INSERT INTO Employee VALUES (101,'Pree','MD',34000);
SELECT *FROM Employee;
DECLARE
e_name Employee.EmpName%type;
e_salary Employee.Salary%type;
BEGIN
SELECT EmpName,Salary INTO e_name,e_salary FROM Employee WHERE Empid = 101;
dbms_output.put_line(e_name ||' earns '|| e_salary);
EXCEPTION
WHEN NO_DATA_FOUND THEN
dbms_output.put_line('No Records');
WHEN TOO_MANY_ROWS THEN
dbms_output.put_line('More than 1 Record Found');
WHEN OTHERS THEN
dbms_output.put_line('Some error found');
END;
/
DECLARE
e_name Employee.EmpName%type;
e_salary Employee.Salary%type;
e_invalid_designation EXCEPTION;
BEGIN
UPDATE Employee SET Salary=Salary+200 WHERE Designation = 'HR';
IF SQL%NOTFOUND THEN
RAISE e_invalid_designation;
END IF;
COMMIT;
EXCEPTION
WHEN NO_DATA_FOUND THEN
dbms_output.put_line('No Records');
WHEN TOO_MANY_ROWS THEN
dbms_output.put_line('More than 1 Record Found');
WHEN e_invalid_designation THEN
dbms_output.put_line('Invalid Designation');
WHEN OTHERS THEN
dbms_output.put_line('Some error found');
END;
/