SQL history Before there was SQL, databases had tight, navigational programming interfaces, and typically were designed around a network schema called the CODASYL data model. CODASYL (Committee on ...

SQL, the structured query language, is a programming language for communicating with databases. Variations on SQL are used by some of the most popular database tools in the world, including some ...

You'll learn a maintenance strategy for database servers and even dive into management automation strategies, further bolstering your SQL know-how.

Programming languages are developer community argots. To me, the lesser-known lexicon of Oracle’s PL/SQL has been a subject of study for quite some time. I love it. Far beyond its corporate ...

Standard interfaces enable application programs to access databases using SQL. There are several popular standard interfaces, or APIs (Application Programming Interfaces), for database programming, ...

Relational (SQL) databases store data in tables with strictly-defined relationships between tables. Non-relational (NoSQL) databases are more flexible and allow for less organized and less ...

SQL has dominated data querying for decades. Newer query languages offer more elegance, simplicity, and flexibility for modern use cases.

To SQL or NoSQL? That’s the database question But as technological lines blur, there's not always a clear-cut answer.

Developers often dispute the merits of SQL as a legitimate programming language, but this misses the point. SQL is a powerful 4GL for accessing data.

In this paper, the authors describe a custom relational algebra query software environment that enables database instructors to teach relational algebra programming. Instead of defining query ...