SQL Fundamentals
Basic SQL query operations including SELECT, INSERT, UPDATE, DELETE and WHERE clauses
Questions
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
With SQL, how can you return all the records from a table named "Persons" sorted descending by "FirstName"?
- SELECT * FROM Persons SORT BY 'FirstName' DESC
- SELECT * FROM Persons SORT 'FirstName' DESC
- SELECT * FROM Persons ORDER BY FirstName DESC
- SELECT * FROM Persons ORDER FirstName DESC
Which SQL statement is used to extract data from a database?
- OPEN
- EXTRACT
- SELECT
- GET
Which SQL statement is used to update data in a database?
- UPDATE
- MODIFY
- SAVE
- SAVE AS
Which SQL statement is used to insert new data in a database?
- ADD NEW
- INSERT INTO
- ADD RECORD
- INSERT NEW
What does SQL stand for?
- Strong Question Language
- Structured Query Language
- Structured Question Language
- Strong Query Language
With SQL, how do you select all the columns from a table named "Persons"?
- SELECT * FROM Persons
- SELECT [all] FROM Persons
- SELECT Persons
- SELECT FROM Persons
Which SQL statement is used to return only different values?
- SELECT DIFFERENT
- SELECT UNIQUE
- SELECT DISTINCT
- SELECT EXACT
With SQL, how can you insert a new record into the "Persons" table?
- INSERT INTO Persons VALUES ('Jimmy', 'Jackson')
- INSERT VALUES ('Jimmy', 'Jackson') INTO Persons
- INSERT ('Jimmy', 'Jackson') INTO Persons
- INSERT VALUES ('Jimmy', 'Jackson')
With SQL, how can you insert "Olsen" as the "LastName" in the "Persons" table?
- INSERT INTO Persons (LastName) VALUES ('Olsen')
- INSERT ('Olsen') INTO Persons (LastName)
- INSERT INTO Persons ('Olsen') INTO LastName
- INSERT INTO Persons ('Olsen')
With SQL, how can you delete the records where the "FirstName" is "Peter" in the Persons Table?
- DELETE ROW FirstName='Peter' FROM Persons
- DELETE FROM Persons WHERE FirstName = 'Peter'
- DELETE FirstName='Peter' FROM Persons
- REMOVE FROM Persons WHERE FirstName = 'Peter'
Which SQL statement is used to delete data from a database?
- DELETE
- COLLAPSE
- REMOVE
- ERASE
With SQL, how do you select a column named "FirstName" from a table named "Persons"?
- EXTRACT FirstName FROM Persons
- SELECT FirstName FROM Persons
- SELECT Persons.FirstName
- SELECT * FROM Persons
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'
- SELECT FirstName='Peter', LastName='Jackson' FROM Persons
- SELECT * FROM Persons WHERE FirstName<>'Peter' AND LastName<>'Jackson'
- SELECT * FROM Persons WHERE FirstName='Jackson' AND LastName='Peter'
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>'Hansen' AND LastName<'Pettersen'
- SELECT * FROM Persons WHERE LastName BETWEEN 'Hansen' AND 'Pettersen'
- SELECT LastName>'Hansen' AND LastName<'Pettersen' FROM Persons
- SELECT LastName<>'Hansen' AND LastName<>'Pettersen' FROM Persons
Which SQL keyword is used to sort the result-set?
- SORT BY
- SORT
- ORDER
- ORDER BY
How can you change "Hansen" into "Nilsen" in the "LastName" column in the Persons table?
- MODIFY Persons SET LastName='Nilsen' WHERE LastName='Hansen'
- MODIFY Persons SET LastName='Hansen' INTO LastName='Nilsen
- UPDATE Persons SET LastName='Hansen' INTO LastName='Nilsen'
- UPDATE Persons SET LastName='Nilsen' WHERE LastName='Hansen'
With SQL, how can you return the number of records in the "Persons" table?
- SELECT COUNT(*) FROM Persons
- SELECT COLUMNS(*) FROM Persons
- SELECT COLUMNS() FROM Persons
- SELECT COUNT() 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"?
- SELECT [all] FROM Persons WHERE FirstName LIKE 'Peter'
- SELECT * FROM Persons WHERE FirstName<>'Peter'
- SELECT [all] FROM Persons WHERE FirstName='Peter'
- SELECT * FROM Persons WHERE FirstName='Peter'
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'
- SELECT * FROM Persons WHERE FirstName='%a%'
- SELECT * FROM Persons WHERE FirstName='a'
- SELECT * FROM Persons WHERE FirstName LIKE 'a%'