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 ...