Abstract: In the software industry, Structured Query Language (SQL) remains a highly sought-after skill required by most employers. SQL is widely adopted as the preferred declarative language to ...

Managing relationships in Elasticsearch can be challenging, but we have nested queries and parent-child relationships to work around it, and more. Data modeling in Elasticsearch is not as obvious as ...

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 ...

SQL is a convenient way to manage and query your data, but badly written queries can tie up your database. Here are seven common SQL traps and how to avoid them. Database developers have it tough.

Abstract: In a fuzzy relational database where a relation is a fuzzy set of tuples and ill-known data are represented by possibility distributions, nested fuzzy queries can be expressed in the Fuzzy ...

It would be great if SQLGlot can "flatten" a nested SQL query such that the only nested subqueries are operands of the FROM clause and are independent from each other. This mostly involves taking care ...

With JSON now the default format for moving data between clients and servers, SQL Server adds JSON support to make it easier to get your data out of the database and down to the client. SQL Server ...