![sql server - Why does adding a TOP 1 dramatically worsen performance? - Database Administrators Stack Exchange sql server - Why does adding a TOP 1 dramatically worsen performance? - Database Administrators Stack Exchange](https://i.stack.imgur.com/NfPYJ.png)
sql server - Why does adding a TOP 1 dramatically worsen performance? - Database Administrators Stack Exchange
![SQL SERVER - How to Retrieve TOP and BOTTOM Rows Together using T-SQL - SQL Authority with Pinal Dave SQL SERVER - How to Retrieve TOP and BOTTOM Rows Together using T-SQL - SQL Authority with Pinal Dave](https://blog.sqlauthority.com/wp-content/uploads/2008/03/unionall1.gif)
SQL SERVER - How to Retrieve TOP and BOTTOM Rows Together using T-SQL - SQL Authority with Pinal Dave
![What is the difference between an inner and an outer join in SQL? | by Kate Marie Lewis | Towards Data Science What is the difference between an inner and an outer join in SQL? | by Kate Marie Lewis | Towards Data Science](https://miro.medium.com/v2/resize:fit:1024/1*NhImv2TEikF4XzmuNCA8QA.png)
What is the difference between an inner and an outer join in SQL? | by Kate Marie Lewis | Towards Data Science
![sql server - Why does adding a TOP 1 dramatically worsen performance? - Database Administrators Stack Exchange sql server - Why does adding a TOP 1 dramatically worsen performance? - Database Administrators Stack Exchange](https://i.stack.imgur.com/VX2TD.png)
sql server - Why does adding a TOP 1 dramatically worsen performance? - Database Administrators Stack Exchange
![sql server - Why does a subquery reduce the row estimate to 1? - Database Administrators Stack Exchange sql server - Why does a subquery reduce the row estimate to 1? - Database Administrators Stack Exchange](https://i.stack.imgur.com/IU6jI.png)