In this article, I’ll discuss some of the more frequently used methods for consolidating data from multiple tables into a single result set: SELECT, JOIN, UNION and subqueries.

While the integration of the Power Query engine into Analysis Services Tabular 2017 and Azure Analysis Services with modern data sources will certainly bring a lot of benefits, I think it’s fair to ...

When you execute a query using the RIGHT JOIN syntax, SQL does two things: It returns all of the records from both tables that contain matching values, as defined by the ON clause.

In the screenshot, you can see a query on the rows_with_differences table. This table includes all rows where differences between the two versions were found. For columns that did have changes (such ...

Learn how to use temporary tables in SQL queries more efficiently and reliably. Discover tips and tricks to choose the right type, use indexes and statistics, drop them when not needed, use ...

Tables: Compare two tables. Table to Query: Compare a table with the result of an SQL query. Queries: Compare the results of two SQL queries. When comparing the results of two SQL queries, you have ...

Data is usually stored in multiple tables. Joins are what pull that data together. An inner join displays just corresponding rows from both tables. A left join displays all in exactly the first table, ...

An interesting Power Query nugget for you: you can compare two tables using the Value.Equals() function. For example, take the following worksheet with five Excel tables on it: The following Power ...

SQL Queries to Retrieve All Data From A Table. One of the most used DLM commands, the SELECT query, is used to select data from a database, and the retrieved data is stored in a result table called ...