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SQL

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...

SQL Join – An Introduction

Users of relational databases want all the data they need at their fingertips, while the database designers...

SQL Coalesce — Weeding Through The NULLs

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 Like — Wildcards Empower Searching

Relational databases store information in tables — tables with columns analogous to elements in a data structure...