Practical 8. SHANKER SINH VAGHELA BAPU INSTITUTE OF TECHNOLGY Subject: - DBMS Branch: - IT/CE Semester: - 3rd. 1. What does SQL stand for?
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1 Practical 8 1. What does SQL stand for? Structured Query Language Strong Question Language Structured Question Language 2. Which SQL statement is used to extract data from a database? OPEN SELECT GET EXTRACT 3. Which SQL statement is used to update data in a database? SAVE AS UPDATE SAVE MODIFY 4. Which SQL statement is used to delete data from a database? COLLAPSE REMOVE DELETE 5. Which SQL statement is used to insert new data in a database? ADD NEW ADD RECORD INSERT INTO INSERT NEW 6. With SQL, how do you select a column named "FirstName" from a table named "Persons"? EXTRACT FirstName FROM Persons SELECT Persons.FirstName SELECT FirstName FROM Persons 1
2 7. With SQL, how do you select all the columns from a table named "Persons"? SELECT Persons SELECT * FROM Persons SELECT [all] FROM Persons SELECT *.Persons 8. With SQL, how do you select all the records from a table named "Persons" where the value of the column "FirstName" is "Chintan"? SELECT [all] FROM Persons WHERE FirstName='Chintan' SELECT [all] FROM Persons WHERE FirstName LIKE 'Chintan' SELECT * FROM Persons WHERE FirstName<>'Chintan' SELECT * FROM Persons WHERE FirstName='Chintan' 9. With SQL, how do you select all the records from a table named "Persons" where the value of the column "FirstName" starts with an "a"? SELECT * FROM Persons WHERE FirstName='a' SELECT * FROM Persons WHERE FirstName LIKE 'a%' SELECT * FROM Persons WHERE FirstName='%a%' SELECT * FROM Persons WHERE FirstName LIKE '%a' 10. The OR operator displays a record if ANY conditions listed are true. The AND operator displays a record if ALL of the conditions listed are true True False 11. With SQL, how do you select all the records from a table named "Persons" where the "FirstName" is "Chintan" and the "LastName" is "Sanjay"? SELECT FirstName='Chintan', LastName='Sanjay' FROM Persons SELECT * FROM Persons WHERE FirstName<>'Chintan' AND LastName<>'Sanjay' SELECT * FROM Persons WHERE FirstName='Chintan' AND LastName='Sanjay' 12. With SQL, how do you select all the records from a table named "Persons" where the "LastName" is alphabetically between (and including) "Nitin" and "Tarun"? SELECT * FROM Persons WHERE LastName BETWEEN 'Nitin' AND 'Tarun' SELECT * FROM Persons WHERE LastName>'Nitin' AND LastName<'Tarun' SELECT LastName>'Nitin' AND LastName<'Tarun' FROM Persons 13. Which SQL statement is used to return only different 2
3 values? SELECT DISTINCT SELECT UNIQUE SELECT DIFFERENT 14. Which SQL keyword is used to sort the result-set? ORDER BY SORT BY ORDER SORT 15. With SQL, how can you return all the records from a table named "Persons" sorted descending by "FirstName"? SELECT * FROM Persons ORDER FirstName DESC SELECT * FROM Persons SORT BY 'FirstName' DESC SELECT * FROM Persons SORT 'FirstName' DESC SELECT * FROM Persons ORDER BY FirstName DESC 16. With SQL, how can you insert a new record into the "Persons" table? INSERT ('Gautam', 'Sanjay') INTO Persons INSERT INTO Persons VALUES ('Gautam', 'Sanjay') INSERT VALUES ('Gautam', 'Sanjay') INTO Persons 17. With SQL, how can you insert "Nisha" as the "LastName" in the "Persons" table? INSERT ('Nisha') INTO Persons (LastName) INSERT INTO Persons (LastName) VALUES ('Nisha') INSERT INTO Persons ('Nisha') INTO LastName 18. How can you change "Nitin" into "Nilsen" in the "LastName" column in the Persons table? MODIFY Persons SET LastName='Nitin' INTO LastName='Nilsen MODIFY Persons SET LastName='Nilsen' WHERE LastName='Nitin' UPDATE Persons SET LastName='Nilsen' WHERE LastName='Nitin' UPDATE Persons SET LastName='Nitin' INTO LastName='Nilsen' 3
4 19. With SQL, how can you delete the records where the "FirstName" is "Chintan" in the Persons Table? DELETE ROW FirstName='Chintan' FROM Persons DELETE FROM Persons WHERE FirstName = 'Chintan' DELETE FirstName='Chintan' FROM Persons 20. With SQL, how can you return the number of records in the "Persons" table? Query SELECT COLUMNS(*) FROM Persons SELECT COLUMNS() FROM Persons SELECT COUNT() FROM Persons SELECT COUNT(*) FROM Persons Table Name: - Person P_ID First_Name Last_Name Address City DOB 1 Chintan Shah Satellite Ahmedabad 29-APR-90 2 Sanjay Patel Kolvada Gandhinagar 12-jun-89 3 Nitin Pandya Talod Gandhinagar 25-OCT-91 4 Tarun Sharma Abu Udaipur 12-FEB-88 Table Name: - Order O_ID Description OrderDate QtyOnHand DeliveryDate MPL Balance 1 T-Shirt 12-OCT OCT Shirt 22-DEC DEC Pants 06-FEB MAR (1). Write a query to retrieve all data from Person table. (2). Write a query to retrieve all data from order table. (3). Write a query to select first_name and last_name whose address is satellite and city is ahmedabad. (4)Write a query to select DOB whose first_name is Nitin and Last_name is Pandya. (5). Write a query to add more field (attributes) as a Remark in Person table. (6). Write a query to change datatype of First_name from Varchar2 to char. (7). Write a query to Update Address and city whose first_name is Sanjay and Last_name is Patel. (8). Write a query to delete a record from person table whose DOB is 12-FEB-88. (9). Write a query to truncate Person table. If you are working in Oracle, don t uses this command right now uses after finish all work. (10). Write a query to sort person table in ascending as well as descending order. (11). Write a query to find First_name whose name start with S. (12). Write a query to Update DOB of Address Talod and City is Ahmedabad. 4
5 (13). Write a query to find Description of order table who Place order between 12-MAR-08 and 20-DEC- 08. (14). Write a query to find First_Name which second character is a. (15). Write a query to display information of O_ID 1 and 2. (16). Count total number QtyOnHand. (17). Count total records of order table. (18). Write a query to find Maximum, minimum, average and sum of Balance from order table. (19). Display First_name and Last_name who are not in the city of Ahmedabad and Abu. (20). Convert First_name into upper case. (21). Find the lengths of all Description from order table. (22).Display data from order table, MPL is higher than QtyOnHand. (23). Write a Query to Find Absolute Value of (-125). (24). Write a Query to Find 12^2. (25). Write a Query to Round of (16.19, 1). (26). Count the number of products having balance less than Questions. (1). Explain different types of data types. (2). Explain SQL components. (3). Explain data constraints and type of constraints. (4). Explain primary key, foreign key and unique. Consider also difference. (5). Explain null, not null, check and default constraints. (6). Write only Arithmetic function, don t need describe. 5
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