Have you heard of Power Query in Microsoft Excel but always thought that it's only intended for Excel experts? Let me stop ...

If you've never heard of Excel's Power Query feature, you're not alone. Here's how to get started using it and gain a huge productivity boost.

The SQL query has to retrieve the data from the specified table, filter it based on a date range, not a specific date, calculate the total number of impressions and clicks for each URL, group the ...

If so, we return “no query” in the query field; if not, “query.” We then count the number of rows each query type has in the table and group the results based on each of them. Here’s ...

Put the structure of your data, a few sample rows, or both into a single text string. Craft a “prompt” to the AI with that information plus your natural language question.

Read this SQL tutorial to learn when to use SELECT, JOIN, subselects and UNION to access multiple tables with a single statement. Skip to content TechRepublic ...

Part of the SQL Server 2022 blog series. Cardinality estimation (CE) is a process used by the query optimizer to estimate the number of rows returned by a query or sub-part of a query. These estimates ...

Removing duplicates rows from a unique index SQL Server table. You can use the index to classify the duplicate data in unique index tables then ... ” and JOIN clause has 56% execution cost, whereas ...

Data is stored in columns instead of rows as in a conventional SQL system. Any number of columns (and therefore many different types of data) can be grouped or aggregated as needed for queries or ...