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 ...

Structured query language Structured Query Language is also known as SQL. It is used to create queries that interrogate the data held in a relational database. Examples are: ...

At its core, the process involves parsing a query, generating an internal relational algebra representation, and then applying a series of cost‐based and rule‐based transformations to produce ...