Abstract: This research developed the MySQL Sandbox, a secured environment for processing SQL queries. It was implemented as a RESTful web service having three services - sandbox database creation, ...

In some cases, performance issues can arise with SELECT statements. The issue is that number of rows tends to grow rapidly as more tables are joined, as result set is de-normalized and contains a lot ...

The error “Column is invalid in the select list because it is not contained in either an aggregate function or the GROUP BY clause” occurs in SQL when a SELECT ...

With most Excel spreadsheets, you enter data manually into cells and then use formulas or other functions to analyze it or perform calculations. If you have a large data source, such as an Access ...

Earlier this year, I had the privilege of serving on the organizing committee for the DataTune conference in my hometown of Nashville, Tenn. Unlike many database-specific or platform-specific ...

Abstract: Data analytics is an inseparable part of the current information systems. Various tools can provide the analysis and produce results in any graphical form, enclosed by the complex filtering.

Not all SQL statements are migratable. Different databases have different functionalities. When the syntax of certain does not have their counterpart in another database, migration becomes impossible.

Both Select Case and Like operators are powerful and extremely useful commands in VBA language , but under normal circumstances, they don't work together. In this article you will learn how to ...

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 ...