Today, Structured Query Language is the standard means of manipulating and querying data in relational databases, though with proprietary extensions among the products.

Relational AI "If we look at what Codd was creating in the 1970s, the theorem said that relational algebra and relational queries are precisely equivalent in expressive power — so interesting!

If your business uses relational databases to store data, it helps to use the SQL SELECT command with the INTO clause to create new tables from query results.

Relational databases for operations on large data sets are contraindicated because SQL queries tend to consume many CPU cycles and thrash the disk as they process data.

Indexing is a critical part of database optimization. Indexing can dramatically increase query speed. However, DBAs still struggle with finding optimal indexes or optimal SQL plans. DBTA held a ...

Hibernate JPA and SQL queries The goal of Hibernate and JPA is to hide the complexity of SQL and relational databases from the software developer. However there are times when a developer must combine ...

Tables, views, and queries may be blurred together. This facet is why a view may be described as simply a “named” query. As one composes SQL Select statements, the author may use another query in ...