Snowflake Online Training

SQL joins are fundamental operations that allow database users to combine data from multiple tables based on a related column. Visualizing these joins can enhance comprehension and simplify the complexities of relational databases. -Snowflake Training Online 1. INNER JOIN: Imagine two circles representing tables, with an overlapping region showcasing the common data. An INNER JOIN extracts data present in this shared area, excluding rows with no matching values in both tables. It effectively filters out unrelated data, creating a concise dataset with shared elements. 2. LEFT JOIN: Visualize the left table as a complete circle and the right table as a subset within it. A LEFT JOIN fetches all data from the left table and adds matching data from the right table. If no match is found, the result contains NULL values from the right table. This ensures all data from the left side is retained. -Snowflake Training    3. RIGHT JOIN: In contrast, a RIGHT JOIN considers the right