Types of joins in power Bi & SQL and how it works?

Question

Accepted Answer

There are four types of joins in Power BI and SQL: inner join, left join, right join, and full outer join.

Inner join returns only the matching records from both tables.
Left join returns all records from the left table and the matching records from the right table.
Right join returns all records from the right table and the matching records from the left table.
Full outer join returns all records when there is a match in either the left or right table.

Accepted Answer

In both Power BI and SQL, joins are fundamental operations used to combine data from multiple tables based on related columns. Common types include:

1. **Inner Join:** Returns rows that have matching values in both tables.
2. **Left (Outer) Join:** Returns all rows from the left table and matching rows from the right table.
3. **Right (Outer) Join:** Returns all rows from the right table and matching rows from the left table.
4. **Full (Outer) Join:** Returns all rows when there is a match in either left or right table.

These joins facilitate merging data across tables, enabling comprehensive analysis and reporting in both platforms.

Accepted Answer

Left, right, inner, cross, inner

Accepted Answer

Left , right, inner, outer, cross, self

Accepted Answer

left ,right,inner, outer,cross

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Types of joins in power Bi & SQL and how it works?

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Asked in KPMG India

Types of joins in power Bi &amp; SQL and how it works?

Interview Questions Asked to Power BI Developer at Other Companies

Top Skill-Based Questions for KPMG India Power BI Developer

Types of joins in power Bi & SQL and how it works?