SQL Server is one of the best products to come out of Microsoft, but not every professional knows how to use it effectively. For example, some might find it difficult to create a stored procedure but ...

Microsoft has just added support for query hints to Azure SQL Database, giving database administrators a powerful tool to manage the performance of ISV application code. Here's how it works. Database ...

A common SQL habit is to use SELECT * on a query, because it’s tedious to list all the columns you need. Plus, sometimes those columns may change over time, so why not just do things the easy way? But ...

An update to the cardinality estimator feature in SQL Server 2022 will be one of the biggest changes to the database engine since its inception. Database engines like SQL Server are incredibly complex ...

Immortalized by “Little Bobby Drop Tables” in XKCD 327, SQL injection (SQLi) was first discovered in 1998, yet continues to plague web applications across the internet. Even the OWASP Top Ten lists ...

Here's a look at different ways to query Hadoop via SQL, some of which are part of the latest edition of MapR's Hadoop distribution SQL: old and busted. Hadoop: new hotness. That’s the conventional ...

TechRepublic Academy is here to help you start your journey toward SQL mastery. SQL is one of the most commonly used programming languages for designing and managing data held in a relational database ...

A Query is a tool that retrieves data from a single table or multiple tables; it is the most powerful tool to analyze your data in Microsoft Access; Basically, a Query is just a question presented in ...

Query fan-out optimization has a simple goal: making your content useful across multiple related queries at once, not just a single keyword. AI-powered search systems and LLMs increasingly answer ...

LibreOffice contains a very powerful database tool that is actually quite user friendly. Here’s how to create a database query using the Design View tool. We may earn from vendors via affiliate links ...