Milaakk / SQL-Lab1

SQL-Lab1

Create a table "BooksAuthors" containing two fields (AuthorId, BookId)

CREATE table BooksAuthors (AuthorId INT , BookId INT);

Insert at least 5 records into the BooksAuthors table.

INSERT INTO BooksAuthors VALUES(1,1),(2,2),(3,3),(4,4),(5,5)

Write a statement that will select the Country column from the Authors table.

SELECT Country FROM Authors

Select all the different values from the Country column in the Authors table.

SELECT DISTINCT Country FROM Authors

Write an SQL query to return only Authors whose name begins with S.

SELECT * FROM Authors WHERE NAME LIKE "S%"

List the number of Authors in each country.

SELECT COUNT(ID) , Country FROM Authors GROUP by 2

Select all records from the Authors table, and sort the result alphabetically by the column's name.

SELECT * FROM Authors order by name

Select all records from the Authors table, and sort the result reversed alphabetically by the column name.

SELECT * FROM Authors order by name DESC

Select all records where the Title column has the value ‘Great ' from the Books table.

select * from Books WHERE TITLE LIKE "%Great%"

Use the NOT keyword to select all records where the country is NOT "USA".

SELECT * FROM Authors WHERE COUNTRY != "USA"

Select all records where the country column has the value 'USA' or ‘India' from the “Authors” table

SELECT * FROM Authors WHERE country = "USA" OR country = "India"

Select all records where the age column has the value BETWEEN 50 - 60 in the “Authors” table.

SELECT * FROM Authors WHERE Age between 50 and 60

Use the MIN function to select the record with the smallest value of the Age column from the “Authors” table.

SELECT * FROM Authors where age = (select min(age) from Authors)

Choose the correct JOIN clause to view all books and their authors.

select ba.authorid , Authors.name , ba.BookId , b.Title from BooksAuthors ba INNER join Books b on ba.BookId = b.Id INNER JOIN Authors on Authors.ID = ba.authorid