Development Week SQL Quiz
With SQL, how can you insert "Olsen" as the "LastName" in the "Persons" table?
INSERT INTO Persons "LastName" in the "Persons" Table
With SQL, how can you return the number of records in the "Persons" table?
SELECT COUNT(*) FROM Persons
Which SQL statement is used to return only different values?
SELECT DISTINCT
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 or False Question)
True
With SQL, how can you insert a new record into the "Persons" table?
INSERT INTO Persons VALUES ('Jimmy', 'Jackson')
The NOT NULL constraint enforces a column to not accept NULL values (True/False)
True
Which SQL statement is used to update data in a database?
UPDATE
How can you change "Hansen" into "Nilsen" in the "LastName" column in the Persons table?
UPDATE Persons SET LastName = 'Nilsen' WHERE LastName = 'Hansen'
Which operator is used to select values within a range?
BETWEEN
What is the most common type of join?
INNER JOIN
Which operator is used to search for a specified pattern in a column?
LIKE
With SQL, how can you return all the records from a table named "Persons" sorted descending by "FirstName"?
SELECT * FROM Persons ORDER BY FirstName DESC
With SQL, how do you select a column named "FirstName" from a table named "Persons"?
SELECT FirstName FROM Persons
Which SQL statement is used to delete data from a database?
DELETE
With SQL, how can you delete the records where the "FirstName" is "Peter" in the Persons Table?
DELETE FROM Persons WHERE FirstName = 'Peter'
With SQL, how do you select all the records from a table named "Persons" where the "FirstName" is "Peter" and the "LastName" is "Jackson"?
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 value of the column "FirstName" is Peter
SELECT * FROM Persons WHERE FirstName = 'Peter'
Which SQL statement is used to extract data from a database?
SELECT
Which SQL keyword is used to sort the result-set?
ORDER BY
What does SQL stand for?
Structured Query Language
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 LIKE 'a%'
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"?
SELECT * FROM Persons WHERE LastName BETWEEN 'Hansen' AND 'Pettersen'
Which SQL statement is used to create a database table called 'Customers'?
CREATE TABLE Customers
Which SQL statement is used to insert new data in a database
INSERT INTO
With SQL, how do you select all the columns from a table named "Persons"?
SELECT * FROM Persons