diff --git a/src/data/roadmaps/sql/content/joins@4UQQYbjzwVxZOAxBuXKQS.md b/src/data/roadmaps/sql/content/joins@4UQQYbjzwVxZOAxBuXKQS.md index d465ea4c9..22c743689 100644 --- a/src/data/roadmaps/sql/content/joins@4UQQYbjzwVxZOAxBuXKQS.md +++ b/src/data/roadmaps/sql/content/joins@4UQQYbjzwVxZOAxBuXKQS.md @@ -1,7 +1,13 @@ # JOINs -SQL `JOINs` are clauses used to combine rows from two or more tables based on a related column between them. They allow retrieval of data from multiple tables in a single query, enabling complex data analysis and reporting. The main types of `JOINs` include `INNER JOIN` (returns matching rows from both tables), `LEFT JOIN` (returns all rows from the left table and matching rows from the right), `RIGHT JOIN` (opposite of `LEFT JOIN`), and `FULL JOIN` (returns all rows when there's a match in either table). `JOINs` are fundamental to relational database operations, facilitating data integration and exploration across related datasets. +SQL `JOINs` are clauses used to combine rows from two or more tables based on a related column between them. They allow retrieval of data from multiple tables in a single query, enabling complex data analysis and reporting. The main types of `JOINs` include: +- `INNER JOIN` (returns matching rows from both tables) +- `LEFT JOIN` (returns all rows from the left table and matching rows from the right) +- `RIGHT JOIN` (opposite of `LEFT JOIN`) +- `FULL JOIN` (returns all rows when there's a match in either table) + + `JOINs` are fundamental to relational database operations, facilitating data integration and exploration across related datasets. Learn more from the following resources: -- [@article@SQL JOINs Cheat Sheet](https://www.datacamp.com/cheat-sheet/sql-joins-cheat-sheet) \ No newline at end of file +- [@article@SQL JOINs Cheat Sheet](https://www.datacamp.com/cheat-sheet/sql-joins-cheat-sheet)