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Here, you'll find a collection of PDF-format notes covering SQL concepts. These notes are handwritten and contain concise definitions and examples for every command. The content is derived from various sources, including YouTube lectures, college lectures, and platform presentations.
1 cze 2021 · Some databases implement non-standard solutions for concatenating strings like CONCAT() or CONCAT_WS(). Check the documentation for your specific database. Use the _ character to replace any single character. Use the % character to replace any number of characters (including 0 characters).
LIKE OPERATOR – PATTERN MATCHING. Use the _ character to replace any single character. Use the % character to replace any number of characters (including 0 characters). Fetch all names that start with any letter followed by 'atherine':
Whether you need a quick reference for major SQL concepts before an interview, or you want to level-up your existing SQL skills, our SQL cheat sheet is the ideal starting point. Plus, we’ve broken it down into 11 essential SQL topics to help you get the most from this SQL query cheat sheet.
Convert SQL queries to PDF format online with PDF Editor's efficient SQL to PDF converter tool. Easily transform your SQL scripts into professional PDF documents for easy sharing and printing.
SQL statements are the means by which programs and users access data in an Oracle database. The sections that follow show each SQL statement and its related syntax.
PoorSQL.com is a free online T-SQL formatting service using the open-source .Net 2.0 Poor Man's T-SQL Formatter library.
