into student(rollno,name, batch,mark1, mark2,mark3) values(..details of second record);

Transcription

1 QUESTION NO : 1 Rollno Name Batch Mark1 Mark2 Mark3 total 10 Abhishek Cs Adithyan Cs santhosh Bs Nelson Bs Jose Com vineeth com a. Create a table Student with the following fields Roll_Number Integer Primary key Name Varchar (25) Batch Varchar (15) Mark1 Integer Mark2 Integer Mark3 Integer Total Integer create table student (Rollno Integer Primary key, Name Varchar (25), Batch Varchar (15), Mark1 Integer, Mark2 Integer, Mark3 Integer, Total Integer); b. insert at least 5 records into the table except for the column Total. insert into student(rollno,name, batch,mark1, mark2,mark3) values(10,'abhishek','cs',80,90,95); into student(rollno,name, batch,mark1, mark2,mark3) values(..details of second record); c. Update the column Total with the sum of Mark1, Mark2 and Mark3. Ans : -update student set total = mark1+ mark2+ mark3; d. List the details of students in Commerce batch. select * from student where batch = 'com'; e. Display the name and total marks of students who are failed (Total < 100). select name,total from student where total<100; f. Display the name and batch of those students who scored 80 or more in Mark1 and Mark2. Ans select name, batch from student where mark1> 80 and mark2>80 g. Delete the student who scored below 80 in Mark3. Delete from student where mark3<80

2 QUESTION NO : 2 Empcode Empname Design Dept Basic Da gross 1001 Gopan Manager purchase Jose Clerk sales Lisy clerk hr Vishnu Manager hr Sreedevi manager sales Murugan clerk purchase Create a table Employee with the following fields Emp_code Integer Primary key Emp_name Varchar (20) Designation Varchar (25) Department Varchar (25) Basic Decimal (10,2) DA Decimal (10,2) Gross_pay Decimal (10,2) Create table employee (empcode integer primary key, Empname char(30), Design char(25), Dept char(25), Basic decimal(10,2), Gross decimal(10,2)); 2)Insert at least 5 records into the table except the column Gross_pay and DA. Insert into employee (empcode,empname,design,dept,da) values(1001, gopan, manager, purchase,15000); 2) Update DA with 75% of Basic. Update employee set da = basic *75/100; 3. Display the details of employees in Purchase, Sales and HR departments. Select * from employee where dept = purchase or sales or hr ; 4. Update the Gross_pay with the sum of Basic and DA. Update employee set gross = basic + da; 5. Display the details of employee with gross pay below Select * from employee where gross < 10000; 6. Delete all the clerks from the table. Delete from employee where desig = clerk ;

3 QUESTION NO : 3 Accno Name Branch Acc_type amount 1002 Maneesh TCR SB Shalish TCR CURRENT Vineesh EKM NRE SUDHEER TVM NRO PRASANTH EKM SB MADHU TVB NRE Create a table Bank with the following fields. Acc_No Integer Primary key Acc_Name Varchar (20) Branch_Name Varchar (25) Acc_ Type Varchar (10) Amount Decimal (10,2) 1.Create table bank (accno integer primary key, Name char(20), Branch char(30), Acc_type char(10), Amount decimal(10,2)); 2 insert any six records into the table bank Insert into bank values(1000, maneesh, tcr, sb,12000); 3.Display the branch-wise details of account holders in the ascending order of the amount. Select * from bank order by branch, amount; 4.Insert a new column named Minimum_Amount into the table with default value Alter table student add(min_amt decimal(6,2)); c. Update the Minimum_Amount column with the value 1000 for the customers in branches other than tvm and ekm update bank set min_amt= 1000 where branch<> ekm and branch<> tvm ;. d. Find the number of customers who do not have the minimum amount Select count(*) from bank where min_amt <1000; e. Remove the details of SB accounts from TVM branch who have zero (0) balance in their account. Delete from bank where branch = tvm and acc_type = sb and amount =0;

4 QUESTION NO : 4 Rollno Name Batch Mark1 Mark2 Mark3 total 10 Abhishek Cs Adithyan Cs santhosh Bs Nelson Bs Jose Com vineeth com Create a table Student with the following fields. Roll_Number Integer Primary key Name Varchar (25) Batch Varchar (15) Mark1 Integer Mark2 Integer Mark3 Integer Total Integer 2. Insert at least 5 records into the table except for the column Total. insert into student(rollno,name, batch,mark1, mark2,mark3) values(10,'abhishek','cs',80,90,95); Insert remaining records as per your table 3.Update the column Total with the sum of Mark1, Mark2 and Mark3. Update student set total = mark1+mark2+mark3; 4. Add a new column Average to the table Student. Alter table student add(avg decimal(5,2); 5. Update the column Average with average marks. Update student set avg = mark1+mark2+mark3/3; 6. List the details of student who has the highest Total. Select * from student where total = (select max(total) from student); 7. Delete the students of Commerce batch who failed in any two subjects. Delete from student where batch = com

5 QUESTION NO : 5 Book_id Book_name Author Publication Price 1001 Physics Stephen Scert Create a table Book with the following fields Book_ID Integer Primary key Book_Name Varchar (20) Author_Name Varchar (25) Pub_Name Varchar (25) Price Decimal (10,2) 2.Insert at least 5 records into the table. Insert into book values(1001, physics, stephen, SCERT,2000); 3. Create a view containing the details of books published by SCERT. Create view sub as select * from book where publication = scert 4. Display the average price of books published by each publisher Select book_name,avg(price) from book group by publication; 5. Display the details of book with the highest price. Select * from book where price = (select max(price) from book); 6. Display the publisher and number of books of each publisher in the descending order of the count. Select publication, count(*) from book order by publication; 7. Display the title, current price and the price after a discount of 10% in the alphabetical order of book title. Select book_name, price,price*10/100 from book order by book_name;