The ease and ubiquity of SQL have even led the creators of many “NoSQL” or non-relational data stores, such as Hadoop, to adopt subsets of SQL or come up with their own SQL-like query languages.

SQL is a powerful and widely used language for querying, manipulating, and analyzing data stored in relational databases. But how can you use SQL to handle big data, which often involves massive ...

Relational operators compare two expressions or values and return a Boolean result. Following table shows all the relational operators supported by PL/SQL ...

My SQL solutions for w3resource practice problems. Contribute to arleo1/w3resource-SQL-Exercises development by creating an account on GitHub.

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. If you think we’ve heard ...

SQL query builders add a layer of abstraction over the raw SQL without masking the underlying details and simplify application integration. They include template builders so developers can understand ...

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 ...