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diff --git a/www/lang_dropview.html b/www/lang_dropview.html new file mode 100644 index 0000000..11cad56 --- /dev/null +++ b/www/lang_dropview.html @@ -0,0 +1,191 @@ +<!DOCTYPE html> +<html><head> +<meta name="viewport" content="width=device-width, initial-scale=1.0"> +<meta http-equiv="content-type" content="text/html; charset=UTF-8"> +<link href="sqlite.css" rel="stylesheet"> +<title>DROP VIEW</title> +<!-- path= --> +</head> +<body> +<div class=nosearch> +<a href="index.html"> +<img class="logo" src="images/sqlite370_banner.gif" alt="SQLite" border="0"> +</a> +<div><!-- IE hack to prevent disappearing logo --></div> +<div class="tagline desktoponly"> +Small. Fast. 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+if( !location.origin || !location.origin.match || !location.origin.match(/http/) ){ +document.getElementById("search_menubutton").style.display = "none"; +} +/* Used by the Hide/Show button beside syntax diagrams, to toggle the */ +function hideorshow(btn,obj){ +var x = document.getElementById(obj); +var b = document.getElementById(btn); +if( x.style.display!='none' ){ +x.style.display = 'none'; +b.innerHTML='show'; +}else{ +x.style.display = ''; +b.innerHTML='hide'; +} +return false; +} +var antiRobot = 0; +function antiRobotGo(){ +if( antiRobot!=3 ) return; +antiRobot = 7; +var j = document.getElementById("mtimelink"); +if(j && j.hasAttribute("data-href")) j.href=j.getAttribute("data-href"); +} +function antiRobotDefense(){ +document.body.onmousedown=function(){ +antiRobot |= 2; +antiRobotGo(); +document.body.onmousedown=null; +} +document.body.onmousemove=function(){ +antiRobot |= 2; +antiRobotGo(); +document.body.onmousemove=null; +} +setTimeout(function(){ +antiRobot |= 1; +antiRobotGo(); +}, 100) +antiRobotGo(); +} +antiRobotDefense(); +</script> +<div class=fancy> +<div class=nosearch> +<div class="fancy_title"> +DROP VIEW +</div> +</div> + + + + +<p><b><a href="syntax/drop-view-stmt.html">drop-view-stmt:</a></b> +<button id='x1717' onclick='hideorshow("x1717","x1718")'>hide</button></p> + <div id='x1718' class='imgcontainer'> + <div style="max-width:743px"><svg xmlns='http://www.w3.org/2000/svg' class="pikchr" viewBox="0 0 743.76 54"> +<circle cx="5" cy="17" r="3.6" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" /> +<polygon points="32,17 20,21 20,12" style="fill:rgb(0,0,0)"/> +<path d="M9,17L26,17" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" /> +<path d="M47,32L78,32A15 15 0 0 0 93 17A15 15 0 0 0 78 2L47,2A15 15 0 0 0 32 17A15 15 0 0 0 47 32Z" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" /> +<text x="63" y="17" text-anchor="middle" fill="rgb(0,0,0)" dominant-baseline="central">DROP</text> +<polygon points="116,17 105,21 105,12" style="fill:rgb(0,0,0)"/> +<path d="M93,17L110,17" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" /> +<path d="M131,32L160,32A15 15 0 0 0 176 17A15 15 0 0 0 160 2L131,2A15 15 0 0 0 116 17A15 15 0 0 0 131 32Z" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" /> +<text x="146" y="17" text-anchor="middle" fill="rgb(0,0,0)" dominant-baseline="central">VIEW</text> +<polygon points="212,17 200,21 200,12" style="fill:rgb(0,0,0)"/> +<path d="M176,17L206,17" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" /> +<path d="M227,32A15 15 0 0 0 242 17A15 15 0 0 0 227 2A15 15 0 0 0 212 17A15 15 0 0 0 227 32Z" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" /> +<text x="227" y="17" text-anchor="middle" fill="rgb(0,0,0)" dominant-baseline="central">IF</text> +<polygon points="265,17 253,21 253,12" style="fill:rgb(0,0,0)"/> +<path d="M242,17L259,17" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" /> +<path d="M280,32L325,32A15 15 0 0 0 340 17A15 15 0 0 0 325 2L280,2A15 15 0 0 0 265 17A15 15 0 0 0 280 32Z" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" /> +<text x="302" y="17" text-anchor="middle" fill="rgb(0,0,0)" dominant-baseline="central">EXISTS</text> +<polygon points="394,17 382,21 382,12" style="fill:rgb(0,0,0)"/> +<path d="M340,17L388,17" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" /> +<path d="M409,32L505,32A15 15 0 0 0 520 17A15 15 0 0 0 505 2L409,2A15 15 0 0 0 394 17A15 15 0 0 0 409 32Z" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" /> +<text x="457" y="17" text-anchor="middle" fill="rgb(0,0,0)" dominant-baseline="central">schema-name</text> +<polygon points="543,17 532,21 532,12" style="fill:rgb(0,0,0)"/> +<path d="M520,17L538,17" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" /> +<path d="M558,32A15 15 0 0 0 574 17A15 15 0 0 0 558 2A15 15 0 0 0 543 17A15 15 0 0 0 558 32Z" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" /> +<text x="558" y="17" text-anchor="middle" font-weight="bold" fill="rgb(0,0,0)" dominant-baseline="central">.</text> +<polygon points="610,17 598,21 598,12" style="fill:rgb(0,0,0)"/> +<path d="M574,17L604,17" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" /> +<path d="M625,32L696,32A15 15 0 0 0 711 17A15 15 0 0 0 696 2L625,2A15 15 0 0 0 610 17A15 15 0 0 0 625 32Z" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" /> +<text x="660" y="17" text-anchor="middle" fill="rgb(0,0,0)" dominant-baseline="central">view-name</text> +<polygon points="734,17 722,21 722,12" style="fill:rgb(0,0,0)"/> +<path d="M711,17L728,17" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" /> +<circle cx="738" cy="17" r="3.6" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" /> +<polygon points="265,47 253,51 253,43" style="fill:rgb(0,0,0)"/> +<path d="M176,17 L 183,17 Q 191,17 191,32 L 191,32 Q 191,47 206,47 L 244,47 L 259,47" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" /> +<path d="M265,47 L 340,47 Q 355,47 355,32 L 355,32 Q 355,17 362,17 L 370,17" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" /> +<polygon points="457,47 445,51 445,43" style="fill:rgb(0,0,0)"/> +<path d="M361,17 L 369,17 Q 376,17 376,32 L 376,32 Q 376,47 391,47 L 436,47 L 451,47" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" /> +<path d="M457,47 L 574,47 Q 589,47 589,32 L 589,32 Q 589,17 596,17 L 604,17" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" /> +</svg> +</div> +</div> + + +<p>The DROP VIEW statement removes a view created by the <a href="lang_createview.html">CREATE VIEW</a> + statement. The view definition is removed from the database schema, but + no actual data in the underlying base tables is modified. + +</p><p>The view to drop is identified by the view-name and optional + schema-name specified as part of the DROP VIEW statement. This + reference is resolved using the standard procedure for <a href="lang_naming.html">object resolution</a>. + +</p><p> + If the specified view cannot be found and the IF EXISTS clause is not + present, it is an error. If the specified view cannot be found and an IF + EXISTS clause is present in the DROP VIEW statement, then the statement + is a no-op. + + +</p><p align="center"><small><i>This page last modified on <a href="https://sqlite.org/docsrc/honeypot" id="mtimelink" data-href="https://sqlite.org/docsrc/finfo/pages/lang_dropview.in?m=2b6e06f992ddb87aa">2020-02-10 20:33:26</a> UTC </small></i></p> + |