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SQL Online Question

What does SQL stand for? (A) Structured Question Language (B) Strong Question Language (C) Structured Query Language

Which SQL statement is used to extract data from a database? (A) SELECT (B) GET (C) EXTRACT (D) OPEN

Which SQL statement is used to update data in a database? (A) MODIFY (B) UPDATE (C) SAVE (D) SAVE AS

Which SQL statement is used to delete data from a database? (A) COLLAPSE (B) DELETE (C) REMOVE

Which SQL statement is used to insert new data in a database? (A) INSERT INTO (B) INSERT NEW (C) ADD NEW (D) ADD RECORD

With SQL, how do you select a column named "FirstName" from a table named "Persons"? (A) SELECT FirstName FROM Persons (B) EXTRACT FirstName FROM Persons (C) SELECT Persons.FirstName

With SQL, how do you select all the columns from a table named "Persons"? (A) SELECT Persons (B) SELECT *.Persons (C) SELECT * FROM Persons (D) SELECT [all] FROM Persons

With SQL, how do you select all the records from a table named "Persons" where the value of the column "FirstName" is "Peter"? (A) SELECT [all] FROM Persons WHERE FirstName='Peter' (B) SELECT * FROM Persons WHERE FirstName<>'Peter' (C) SELECT [all] FROM Persons WHERE FirstName LIKE 'Peter' (D) SELECT * FROM Persons WHERE FirstName='Peter' Correct answer

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"? (A) SELECT * FROM Persons WHERE FirstName LIKE '%a' (B) SELECT * FROM Persons WHERE FirstName LIKE 'a%' (C) SELECT * FROM Persons WHERE FirstName='a' (D) SELECT * FROM Persons WHERE FirstName='%a%'

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 (A) False (B) True

SQL Online Question

With SQL, how do you select all the records from a table named "Persons" where the "FirstName" is "Peter" and the "LastName" is "Jackson"? (A) SELECT FirstName='Peter', LastName='Jackson' FROM Persons (B) SELECT * FROM Persons WHERE FirstName<>'Peter' AND LastName<>'Jackson' (C) SELECT * FROM Persons WHERE FirstName='Peter' AND LastName='Jackson'

With SQL, how do you select all the records from a table named "Persons" where the "LastName" is alphabetically between (and including) "Hansen" and "Pettersen"? (A) SELECT * FROM Persons WHERE LastName BETWEEN 'Hansen' AND 'Pettersen' (B) SELECT LastName>'Hansen' AND LastName<'Pettersen' FROM Persons SELECT * FROM Persons WHERE LastName>'Hansen' AND LastName<'Pettersen'< /p>

Which SQL statement is used to return only different values? (A) SELECT DISTINCT (B) SELECT DIFFERENT (C) SELECT UNIQUE

Which SQL keyword is used to sort the result-set? (A) ORDER BY (B) SORT BY (C) SORT (D) ORDER

With SQL, how can you return all the records from a table named "Persons" sorted descending by "FirstName"? (A) SELECT * FROM Persons SORT 'FirstName' DESC (B) SELECT * FROM Persons ORDER FirstName DESC (C) SELECT * FROM Persons ORDER BY FirstName DESC (D) SELECT * FROM Persons SORT BY 'FirstName' DESC

With SQL, how can you insert a new record into the "Persons" table? (A) INSERT VALUES ('Jimmy', 'Jackson') INTO Persons (B) INSERT ('Jimmy', 'Jackson') INTO Persons (C) INSERT INTO Persons VALUES ('Jimmy', 'Jackson')

With SQL, how can you insert "Olsen" as the "LastName" in the "Persons" table? (A) INSERT ('Olsen') INTO Persons (LastName) (B) INSERT INTO Persons (LastName) VALUES ('Olsen') (C) INSERT INTO Persons ('Olsen') INTO LastName

How can you change "Hansen" into "Nilsen" in the "LastName" column in the Persons table? (A) UPDATE Persons SET LastName='Nilsen' WHERE LastName='Hansen' (B) MODIFY Persons SET LastName='Nilsen' WHERE LastName='Hansen' (C) UPDATE Persons SET LastName='Hansen' INTO LastName='Nilsen' (D) MODIFY Persons SET LastName='Hansen' INTO LastName='Nilsen

With SQL, how can you delete the records where the "FirstName" is "Peter" in the Persons Table? (A) DELETE ROW FirstName='Peter' FROM Persons (B) DELETE FROM Persons WHERE FirstName = 'Peter' (C) DELETE FirstName='Peter' FROM Persons

With SQL, how can you return the number of records in the "Persons" table? (A) SELECT NO(*) FROM Persons (B) SELECT COLUMNS(*) FROM Persons (C) SELECT COUNT(*) FROM Persons (D) SELECT LEN(*) FROM Persons

SQL Online Question

What is the most common type of join? (A) INNER JOIN (B) JOINED TABLE (C) INSIDE JOIN (D) JOINED

Which operator is used to select values within a range? (A) BETWEEN (B) WITHIN (C) RANGE

The NOT NULL constraint enforces a column to not accept NULL values. False True

Which operator is used to search for a specified pattern in a column? (A) FROM (B) LIKE (C) GET

Which SQL statement is used to create a database table called 'Customers'? (A) CREATE DB Customers (B) CREATE DATABASE TAB Customers (C) CREATE TABLE Customers (D) CREATE DATABASE TABLE Customers