The Queries in this page solved at the library database. It is a sample database generated by randomly records. You can download it from the link. You will see more than 500 examples in the future. You can filter from the search panel above by selecting sql statements. I hope you will like it

# SQL Select Sub Query Top Where Examples

##### 1-) List the book with the most page number

Solution 1)

``````Select top 1 * from books
order by sayfaSayisi desc``````

Solution 2)

``````Select * from books
where sayafaSayisi=(Select max(sayfaSayisi) from books)``````

ETİKETLER

- - - - - -
##### 2-)

Solution 1)

``````Select top 1 students.*,takendate
from students,borrows
where students.studentId = borrows.studentId
order by borrows.takenDate desc``````

Solution 2)

``````Select top 1 students.*,takendate
from students
join borrows on students.studentId = borrows.studentId
order by borrows.takenDate desc``````

Solution 3)

``````Select students.*,takendate
from students
join borrows on students.studentId = borrows.studentId
where takenDate = (Select max(takenDate) from borrows)``````

ETİKETLER

- - - - - - -
##### 3-) List the name and surname of the students and the number of books they read sorted by BookCount. Also list the students who have never read a book.

Solution 1)

``````Select name,surname,count(borrowsno) BookCount
from students
left join borrows on students.studentId = borrows.studentId
group by students.studentId,name,surname
order by BookCount``````

Solution 2)

``````Select name, surname,
(Select count(*) from borrows
where students.studentId = borrows.studentId) as BookCount
from students
order by BookCount``````

ETİKETLER

- - - - -
Library Database