SQL Archives
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Understanding SQL Expressions: The Key to Effective Querying
SQL expressions are an essential part of writing optimal code, allowing practitioners to formulate complex queries that...
The power of a SQL alias.
What is a SQL alias?
In SQL, an alias is a temporary name given to a table, column,...
SQL Aggregate Functions — AVG, COUNT, DISTINCT, MAX, MIN, SUM
Relational databases store information in tables — with columns that are analogous to elements in a data...
SQL Injection — All Your Data Are Ours
Relational databases store information in tables — with columns that are analogous to elements in a data...
SQL Tutorial — Database Programming
SQL (Structured Query Language) — pronounced “sequel” or “ess queue ell” — is a computer programming language...
SQL Update – An Introduction
A characteristic of persistent storage — including the relational databases upon which SQL operates — is the...