I have a value that I want to do delete everything from a table that contains this value in a field. Also, each one of those that I delete has an ID that is a foreign key value in another table. I ...

SQL is the leading language for developing and querying databases, but it has a few quirks.In my last article, I shared 7 SQL mistakes to avoid.Now, let’s take a look at 9 best practices for ...

Read this SQL tutorial to learn when to use SELECT, JOIN, subselects and UNION to access multiple tables with a single statement. It’s sometimes difficult to know which SQL syntax to use when ...

How to Create a Table From Query Results in Microsoft SQL. If your business uses relational databases to store data, you may have used a SQL SELECT clause to create new tables from query results.

For example, missing a WHERE clause in your instructions can cause you to delete an entire table rather than carrying out the transaction you want, leading to lost data and recovery work.

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 ...

In Microsoft Access, you can rename or delete a database table or other objects such as forms, reports, and queries. We show you how to do it.