Database Mang. Sys Flashcards
Which operator is used to select values within a range?
BETWEEN
With SQL, how do you select all the columns from a table named “Persons”?
SELECT [all] FROM Persons
SELECT *.Persons
SELECT Persons
SELECT * FROM Persons
SELECT * FROM Persons
Which SQL statement is used to delete data from a database?
DELETE
Which SQL statement is used to update data in a database?
UPDATE
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 FirstName=’Peter’, LastName=’Jackson’ FROM Persons
SELECT * FROM Persons WHERE FirstName=’Peter’ AND LastName=’Jackson’
SELECT * FROM Persons WHERE FirstName<>’Peter’ AND LastName<>’Jackson
SELECT * FROM Persons WHERE FirstName=’Peter’ AND LastName=’Jackson’
Which SQL statement is used to create a database table called ‘Customers’?
CREATE DATABASE TABLE Customers
CREATE DB Customers
CREATE DATABASE TAB Customers
CREATE TABLE Customers
CREATE TABLE Customers
How can you change “Hansen” into “Nilsen” in the “LastName” column in the Persons table?
MODIFY Persons SET LastName=’Hansen’ INTO LastName=’Nilsen
MODIFY Persons SET LastName=’Nilsen’ WHERE LastName=’Hansen’
UPDATE Persons SET LastName=’Nilsen’ WHERE LastName=’Hansen’
UPDATE Persons SET LastName=’Hansen’ INTO LastName=’Nilsen’
UPDATE Persons SET LastName=’Nilsen’ WHERE LastName=’Hansen’
Which SQL statement is used to extract data from a database?
GET
OPEN
SELECT
SELECT
With SQL, how do you select all the records from a table named “Persons” where the value of the column “FirstName” is “Peter”?
Correct answer:
SELECT * FROM Persons WHERE FirstName=’Peter’
SELECT [all] FROM Persons WHERE FirstName=’Peter’
SELECT * FROM Persons WHERE FirstName<>’Peter’
SELECT [all] FROM Persons WHERE FirstName LIKE ‘Peter’
SELECT * FROM Persons WHERE FirstName=’Peter’
With SQL, how can you insert “Olsen” as the “LastName” in the “Persons” table?
INSERT INTO Persons (‘Olsen’) INTO LastName
INSERT INTO Persons (LastName) VALUES (‘Olsen’)
INSERT (‘Olsen’) INTO Persons (LastName)
INSERT INTO Persons (LastName) VALUES (‘Olsen’)
With SQL, how can you delete the records where the “FirstName” is “Peter” in the Persons Table?
DELETE ROW FirstName=’Peter’ FROM Persons
, Not Selected
DELETE FROM Persons WHERE FirstName = ‘Peter’
DELETE FirstName=’Peter’ FROM Persons
DELETE FROM Persons WHERE FirstName = ‘Peter’
With SQL, how can you return the number of records in the “Persons” table?
SELECT LEN(*) FROM Persons
SELECT NO(*) FROM Persons
SELECT COUNT(*) FROM Persons
SELECT COLUMNS(*) FROM Persons
SELECT COUNT(*) FROM Persons
What is the most common type of join?
JOINED
INSIDE JOIN
INNER JOIN
JOINED TABLE
INNER JOIN
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
TRUE
With SQL, how can you insert a new record into the “Persons” table?
INSERT INTO Persons VALUES (‘Jimmy’, ‘Jackson’)
INSERT (‘Jimmy’, ‘Jackson’) INTO Persons
INSERT VALUES (‘Jimmy’, ‘Jackson’) INTO Persons
INSERT INTO Persons VALUES (‘Jimmy’, ‘Jackson’)
Which SQL statement is used to return only different values?
SELECT UNIQUE
SELECT DIFFERENT
SELECT DISTINCT
SELECT DISTINCT
Which operator is used to search for a specified pattern in a column?
GET
LIKE
FROM
LIKE
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=’%a%’
SELECT * FROM Persons WHERE FirstName LIKE ‘a%’
SELECT * FROM Persons WHERE FirstName LIKE ‘%a’
SELECT * FROM Persons WHERE FirstName LIKE ‘a%’
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 ORDER FirstName DESC
SELECT * FROM Persons SORT ‘FirstName’ DESC
SELECT * FROM Persons ORDER BY FirstName DESC
SELECT * FROM Persons ORDER BY FirstName DESC
With SQL, how do you select a column named “FirstName” from a table named “Persons”?
SELECT Persons.FirstName
SELECT FirstName FROM Persons
EXTRACT FirstName FROM Persons
SELECT FirstName FROM Persons
What does SQL stand for?
Structured Question Language
Structured Query Language
Strong Question Language
Structured Query Language
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’
SELECT LastName>’Hansen’ AND LastName<’Pettersen’ FROM Persons
SELECT * FROM Persons WHERE LastName>’Hansen’ AND LastName<’Pettersen’
SELECT * FROM Persons WHERE LastName BETWEEN ‘Hansen’ AND ‘Pettersen’
Which SQL statement is used to insert new data in a database?
INSERT INTO
ADD NEW
INSERT NEW
ADD RECORD
INSERT INTO
Which SQL keyword is used to sort the result-set?
ORDER
SORT BY
SORT
ORDER BY
ORDER BY
The NOT NULL constraint enforces a column to not accept NULL values.
True
False
True
How to display all data from table
Select * From table_name
how to display specific column from table
Select column_name from table_name
How to display all data that meets where criteria. text is “ “ For example where star sign is “Capricorn”. This would display all records that meet this criteria
Select * From table_name Where column_name = “ “
How to displays specific column that does not meet where criteria. Numbers without “ “ Text must have “ “
Select column_name From table_name Where column_name != “ “
How to displays specific column that meets where criteria. Numbers without “ Text must have “ “
Select column_name From table_name Where column_name <= x
How to display specific column that meets where criteria, less than or equal to a number
Select column_name From table_name Where column_name <= x
How to display specific column that meets one of the where criteria
Select column_name From table_name Where column_name = “ “ OR column_name > x
How to display all data from table and orders the data by column specified in ascending order
Select * from table_name Order By column_name
How to display all records where a specific column data starts with letter T. Not LIKE does not need an = it uses ‘ ‘
Select * From table_name Where column_name Like ‘T%’
Permanently updates Margot Robbies age to 30 in the celebrities table. Note if updating a number does not use “ “
Update Celebrities Set Age = 30 Where Name = “Margot Robbie”
