{"id":124,"date":"2012-05-07T13:41:07","date_gmt":"2012-05-07T13:41:07","guid":{"rendered":"http:\/\/www.tolgasutlu.com\/?p=124"},"modified":"2012-05-07T13:41:07","modified_gmt":"2012-05-07T13:41:07","slug":"isnull-nullif","status":"publish","type":"post","link":"https:\/\/tolgasutlu.com\/blog\/?p=124","title":{"rendered":"ISNULL &#038; NULLIF"},"content":{"rendered":"<p>MSSQL \u00fczerinde s\u0131k kulland\u0131\u011f\u0131m iki fonksiyondan k\u0131saca bahsetmek gerekirse. <\/p>\n<p>ISNULL(par1,par2)<br \/>\nNULLIF(par1,par2)<br \/>\n<!--more--><br \/>\nISNULL : birinci de\u011ferin NULL olmas\u0131 durumunda ikinci parametreyi kullanacakt\u0131r.<br \/>\nNULLIF : birinci ve ikinci parametreler birine e\u015fit ise NULL de\u011fil ise 1. parametre d\u00f6ner.<\/p>\n<p>\u00d6rnek:<br \/>\n<code><br \/>\nSELECT<br \/>\n     ISNULL((CGG1.Rate*SG1.GradeValue)\/100,0) as Deger<br \/>\nFROM<br \/>\n\ttablo1 CGG1,<br \/>\n\ttablo2 SG1<br \/>\nWHERE<br \/>\n\tAND SG1.GradeID = CGG1.GradeID<\/p>\n<p>SELECT<br \/>\n     NULLIF(1,1) as Deger, --null d\u00f6ner<br \/>\n NULLIF(1,0) as Deger, --1 d\u00f6ner<br \/>\nFROM<br \/>\n\ttablo1 CGG1,<br \/>\n\ttablo2 SG1<br \/>\nWHERE<br \/>\n\tAND SG1.GradeID = CGG1.GradeID<br \/>\n<\/code><\/p>\n","protected":false},"excerpt":{"rendered":"<p>MSSQL \u00fczerinde s\u0131k kulland\u0131\u011f\u0131m iki fonksiyondan k\u0131saca bahsetmek gerekirse. ISNULL(par1,par2) NULLIF(par1,par2)<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[9],"tags":[],"_links":{"self":[{"href":"https:\/\/tolgasutlu.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/124"}],"collection":[{"href":"https:\/\/tolgasutlu.com\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tolgasutlu.com\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tolgasutlu.com\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/tolgasutlu.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=124"}],"version-history":[{"count":0,"href":"https:\/\/tolgasutlu.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/124\/revisions"}],"wp:attachment":[{"href":"https:\/\/tolgasutlu.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=124"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tolgasutlu.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=124"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tolgasutlu.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=124"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}