{"id":74,"date":"2015-11-06T20:39:21","date_gmt":"2015-11-06T18:39:21","guid":{"rendered":"http:\/\/geekinto.com\/?p=74"},"modified":"2015-11-06T20:39:21","modified_gmt":"2015-11-06T18:39:21","slug":"code-best-of-oracle_sql","status":"publish","type":"post","link":"https:\/\/howoracleapex.com\/?p=74","title":{"rendered":"code best of #oracle_sql"},"content":{"rendered":"

Case 1<\/span>
\n<\/strong><\/p>\n

I use
\nCOALESCE( v(‘APP_USER’),USER );\u00a0<\/span><\/div>\n
instead of<\/div>\n
NVL( V(‘APP_USER’),USER );<\/span><\/div>\n
<\/div>\n
Cause:
\nMore performance.<\/div>\n
<\/div>\n
<\/div>\n
<\/div>\n
Case 2<\/strong><\/span><\/div>\n
I use
\nSYS_CONTEXT(‘APEX$SESSION’, ‘app_user’)<\/i><\/span><\/div>\n
instead of<\/div>\n
V(‘APP_USER’)<\/span><\/div>\n
<\/div>\n
Cause:
\ni can’t use\u00a0v(‘APP_USER’)<\/strong> by default value for column but i can use\u00a0SYS_CONTEXT(‘APEX$SESSION’, ‘app_user’)<\/strong>\u00a0for default value of column\u00a0<\/i><\/div>\n

\u00a0<\/strong><\/p>\n

source:\u00a0http:\/\/apex-oracle-arab.blogspot.com.eg\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

Case 1 I use COALESCE( v(‘APP_USER’),USER );\u00a0 instead of NVL( V(‘APP_USER’),USER ); Cause: More performance. Case 2 I use SYS_CONTEXT(‘APEX$SESSION’, ‘app_user’) instead of V(‘APP_USER’) Cause: i can’t use\u00a0v(‘APP_USER’) by default value for column but...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4,2,6,5],"tags":[],"class_list":["post-74","post","type-post","status-publish","format-standard","hentry","category-dba","category-oracle","category-plsql","category-sql"],"_links":{"self":[{"href":"https:\/\/howoracleapex.com\/index.php?rest_route=\/wp\/v2\/posts\/74","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/howoracleapex.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/howoracleapex.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/howoracleapex.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/howoracleapex.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=74"}],"version-history":[{"count":1,"href":"https:\/\/howoracleapex.com\/index.php?rest_route=\/wp\/v2\/posts\/74\/revisions"}],"predecessor-version":[{"id":75,"href":"https:\/\/howoracleapex.com\/index.php?rest_route=\/wp\/v2\/posts\/74\/revisions\/75"}],"wp:attachment":[{"href":"https:\/\/howoracleapex.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=74"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/howoracleapex.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=74"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/howoracleapex.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=74"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}