SQL Multiple choices

Total available count: 51
Subject - Databases
Subsubject - SQL

What is the most common type of join?







The most common type of join is an INNER JOIN. SQL INNER JOIN is also known as a simple join. An SQL INNER JOIN returns all rows from multiple tables where the join condition is met.

The INNER JOIN keyword selects records that have matching values in both tables.

The INNER JOIN Syntax as follows,

SELECT column_name(s) FROM table1 INNER JOIN table2 ON table1.column_name = table2.column_name;

The following SQL statement selects all Courses with customer information:

The INNER JOIN Example as follows,

SELECT Courses.CourseID, Viewers.ViewerName FROM Courses INNER JOIN Viewers ON Courses.CourseID = Viewers.ViewersID;


Next 5 multiple choice(s)


With SQL, how can you return the number of records in the "Persons" table?


With SQL, how can you delete the records where the "FirstName" is "Peter" in the Persons Table?


How can you change "Hansen" into "Nilsen" in the "LastName" column in the Persons table?


With SQL, how can you insert "Olsen" as the "LastName" in the "Persons" table?


With SQL, how can you insert a new record into the "Persons" table?