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...
Mastering SQL Constraints: Tips and Tricks
What is a SQL Constraint?
A SQL constraint is a rule that is enforced on a table or...
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 Tutorial — Database Programming
SQL (Structured Query Language) — pronounced “sequel” or “ess queue ell” — is a computer programming language...
Meet The New Data Analyst Nanodegree Program!
We’re very excited today to share details about new changes we’ve made to the Data Analyst Nanodegree...