https://6a22f9b0faddf50008fcd4a8--louisneilson.netlify.app/cheat-sheets/Recent content in Louis Neilson's Cheat Sheets on Louis Neilson's PortfolioHugo -- gohugo.ioenhttps://6a22f9b0faddf50008fcd4a8--louisneilson.netlify.app/posts/cheat-sheets/sql-operators/Mon, 01 Jan 0001 00:00:00 +0000https://6a22f9b0faddf50008fcd4a8--louisneilson.netlify.app/posts/cheat-sheets/sql-operators/<p>Content adapted from <a href="https://www.w3schools.com/sql/sql_operators.asp" target="_blank" rel="noopener">W3Schools</a>.</p> <h2 id="comparison-operators">Comparison Operators</h2> <table> <thead> <tr> <th>Operator</th> <th>Description</th> <th>Logic Symbol</th> </tr> </thead> <tbody> <tr> <td><code>=</code></td> <td>Equal to</td> <td>=</td> </tr> <tr> <td><code>&gt;</code></td> <td>Greater than</td> <td>&gt;</td> </tr> <tr> <td><code>&lt;</code></td> <td>Less than</td> <td>&lt;</td> </tr> <tr> <td><code>&gt;=</code></td> <td>Greater than or equal to</td> <td>≥</td> </tr> <tr> <td><code>&lt;=</code></td> <td>Less than or equal to</td> <td>≤</td> </tr> <tr> <td><code>&lt;&gt;</code></td> <td>Not equal to</td> <td>≠</td> </tr> </tbody> </table> <h2 id="bitwise-operators">Bitwise Operators</h2> <table> <thead> <tr> <th>Operator</th> <th>Description</th> <th>Logic Symbol</th> </tr> </thead> <tbody> <tr> <td><code>&amp;</code></td> <td>Bitwise AND</td> <td>⋅</td> </tr> <tr> <td><code>|</code></td> <td>Bitwise OR; inclusive disjunction</td> <td>∨</td> </tr> <tr> <td><code>^</code></td> <td>Bitwise exclusive OR; exclusive disjunction</td> <td>⇎ or ⊕</td> </tr> </tbody> </table> <h2 id="logical-operators">Logical Operators</h2> <table> <thead> <tr> <th>Operator</th> <th>Description</th> <th>Logic Symbol</th> </tr> </thead> <tbody> <tr> <td><code>ALL</code></td> <td>TRUE if all subquery values meet the condition</td> <td>∀</td> </tr> <tr> <td><code>AND</code></td> <td>TRUE if all conditions are TRUE</td> <td>⋅</td> </tr> <tr> <td><code>ANY</code></td> <td>TRUE if any subquery value meets the condition</td> <td>∃</td> </tr> <tr> <td><code>BETWEEN</code></td> <td>TRUE if operand is within a range</td> <td></td> </tr> <tr> <td><code>EXISTS</code></td> <td>TRUE if subquery returns one or more records</td> <td>∃</td> </tr> <tr> <td><code>IN</code></td> <td>TRUE if operand equals one of a list of values</td> <td></td> </tr> <tr> <td><code>LIKE</code></td> <td>TRUE if operand matches a pattern</td> <td></td> </tr> <tr> <td><code>NOT</code></td> <td>TRUE if condition(s) is NOT TRUE</td> <td>~</td> </tr> <tr> <td><code>OR</code></td> <td>TRUE if any condition is TRUE</td> <td>∨</td> </tr> <tr> <td><code>SOME</code></td> <td>TRUE if any subquery value meets the condition</td> <td>∃</td> </tr> </tbody> </table> <h2 id="arithmetic-operators">Arithmetic Operators</h2> <table> <thead> <tr> <th>Operator</th> <th>Description</th> </tr> </thead> <tbody> <tr> <td><code>+</code></td> <td>Add</td> </tr> <tr> <td><code>-</code></td> <td>Subtract</td> </tr> <tr> <td><code>*</code></td> <td>Multiply</td> </tr> <tr> <td><code>/</code></td> <td>Divide</td> </tr> <tr> <td><code>%</code></td> <td>Modulo</td> </tr> </tbody> </table> <h2 id="compound-operators">Compound Operators</h2> <table> <thead> <tr> <th>Operator</th> <th>Description</th> <th>Usage</th> </tr> </thead> <tbody> <tr> <td><code>+=</code></td> <td>Shorthand for <code>x = x + 5</code></td> <td>Adds a value to a variable and assigns the result back to the variable. Used to increment a value in place.</td> </tr> <tr> <td><code>-=</code></td> <td>Shorthand for <code>x = x - 3</code></td> <td>Subtracts a value from a variable and assigns the result back. Used to decrement a value.</td> </tr> <tr> <td><code>*=</code></td> <td>Shorthand for <code>x = x * 2</code></td> <td>Multiplies a variable by a value and assigns the result back. Used to scale values.</td> </tr> <tr> <td><code>/=</code></td> <td>Shorthand for <code>x = x / 4</code></td> <td>Divides a variable by a value and assigns the result back. Used to reduce values proportionally.</td> </tr> <tr> <td><code>%=</code></td> <td>Shorthand for <code>x = x % 10</code></td> <td>Gets the remainder when dividing and assigns it back. Used for cyclic operations like wrapping numbers.</td> </tr> <tr> <td><code>&amp;=</code></td> <td>Shorthand for <code>x = x &amp; 0xFF</code></td> <td>Used to clear specific bits or extract bit patterns from binary data.</td> </tr> <tr> <td><code>^=</code></td> <td>Shorthand for <code>x = x ^ 0x01</code></td> <td>Used to toggle or flip specific bits.</td> </tr> <tr> <td><code>|*=</code></td> <td>Shorthand for <code>x = x | 0x80</code></td> <td>Used to set specific bits to 1 while preserving others.</td> </tr> </tbody> </table>