A new benchmark of SQL-on-Hadoop engines Impala, Spark and Hive finds they each have their own strengths and weaknesses when it comes to Business Intelligence (BI) workloads.

What’s more, when it comes to queries, CouchDB’s API is RESTful, while MongoDB’s API is more native — that is, you essentially issue a query using a driver in the code of your choice.

Having the same search query leading to different ad groups can be bad news. The data about that query isn’t all in one place, making it harder to see how it is performing.

Technology Editor Bill Wong examines the differences between SQL, NoSQL, and NewSQL databases.

I'm working on a similar project (Access, Oracle, and Sybase, with SQL Server to come), and here's what we've found, as far as I know:<BR><BR>Mostly ANSI SQL will convert without changes.

What happens when two different customers type the same phrase into an ecommerce search box? One might be a first-time visitor searching broadly. Another might be a returning buyer, already ...

The ranking algorithm changes for different types of queries done on search, the company confirms in its new report on how it fights disinformation.

Hopefully someone has a little experience with this. Here is the setup:I've got an old access database that stores purchasing information from a system we used for the past 10 years. There is a ...