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Oct 21, 20267 min read

SQL INNER JOIN and LEFT JOIN: A Runnable Shop Example

Run six SQL queries against a tiny shop database. Compare INNER and LEFT JOIN, ON versus WHERE filters, zero-order totals and unmatched customers.

#sql

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Coding Tutorials

Oct 16, 20266 min read

PDO Prepared Statements in PHP: A Runnable SQLite Example

Run a PHP PDO search against an in-memory SQLite database. Includes full source, quoted-name and SQL-looking input checks, setup steps and a downloadable ZIP.

#php #sql #security

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SQL INNER JOIN and LEFT JOIN: A Runnable Shop Example

PDO Prepared Statements in PHP: A Runnable SQLite Example