Query Glossary

Browse 6 query terms defined in plain English, from the cultural dictionary of computing.

6 Query Terms

Clause
A distinct component of a SQL statement or logical expression that specifies a condition or operation. In SQL, clauses like WHERE, GROUP BY, and HAVING filter,...
CTE
Common Table Expression — a named temporary result set defined within a SQL statement using the WITH clause. Makes complex queries readable by breaking them...
Lateral Join
A SQL join where the right-hand subquery can reference columns from the left-hand table — like a correlated subquery but returning multiple rows/columns....
LINQ
Language Integrated Query — a C#/.NET feature that adds SQL-like query syntax directly into the programming language for filtering, transforming, and...
SQL
SQL, or Structured Query Language, is the standard language for managing and querying relational databases. Developed at IBM in the 1970s based on Edgar Codd's...
Window Function
A SQL function that performs a calculation across a set of rows related to the current row, without collapsing them into a single result (unlike GROUP BY)....

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