{"id":7665,"date":"2025-08-27T15:25:19","date_gmt":"2025-08-27T09:55:19","guid":{"rendered":"https:\/\/www.sapewmhelp.com\/?question=what-is-bdc-in-sap"},"modified":"2025-08-27T15:25:19","modified_gmt":"2025-08-27T09:55:19","slug":"what-is-bdc-in-sap","status":"publish","type":"question","link":"https:\/\/www.sapewmhelp.com\/?question=what-is-bdc-in-sap","title":{"rendered":"What is BDC in SAP?"},"content":{"rendered":"<p><strong>BDC (Batch Data Communication)<\/strong> is a technique in SAP used to <strong>transfer or upload large volumes of data<\/strong> into the system by automating transactions.<\/p>\n<ul>\n<li>It simulates manual data entry (like recording keystrokes).<\/li>\n<li>Commonly used during data migration or mass updates.<\/li>\n<li>Works by preparing a &#8220;session&#8221; of transaction data and then processing it.<\/li>\n<\/ul>\n<p>There are <strong>two main methods<\/strong> of BDC:<\/p>\n<ol>\n<li><strong>Call Transaction Method<\/strong> \u2192 Processes data immediately (online).<\/li>\n<li><strong>Session Method<\/strong> \u2192 Creates a batch session, which can be processed later.<\/li>\n<\/ol>\n<h5>Common Function Modules for BDC<\/h5>\n<ol>\n<li>\n<p><strong><code>BDC_OPEN_GROUP<\/code><\/strong><\/p>\n<\/li>\n<\/ol>\n<ul>\n<li>Opens a BDC session (used in Session Method).<\/li>\n<li>Parameters: session name, client, user, etc.<\/li>\n<\/ul>\n<ol>\n<li>\n<p><strong><code>BDC_INSERT<\/code><\/strong><\/p>\n<ul>\n<li>\n<p>Inserts a transaction with its BDC data into the opened session.<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong><code>BDC_CLOSE_GROUP<\/code><\/strong><\/p>\n<ul>\n<li>\n<p>Closes the session after inserting all transactions.<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong><code>CALL TRANSACTION ... USING<\/code><\/strong> (not a FM, but a statement)<\/p>\n<ul>\n<li>\n<p>Used in Call Transaction method.<\/p>\n<\/li>\n<li>\n<p>Executes transaction immediately with given BDC data.<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<p><strong>Example:<\/strong><\/p>\n<p>DATA: lt_bdcdata TYPE TABLE OF bdcdata,<br \/>ls_bdcdata TYPE bdcdata.<\/p>\n<p>&#8221; Populate BDC data for transaction (e.g., MM01, FB01 etc.)<br \/>ls_bdcdata-program = &#8216;SAPMM03&#8217;.<br \/>ls_bdcdata-dynpro = &#8216;0100&#8217;.<br \/>ls_bdcdata-dynbegin = &#8216;X&#8217;.<br \/>APPEND ls_bdcdata TO lt_bdcdata.<\/p>\n<p>&#8221; Open session<br \/>CALL FUNCTION &#8216;BDC_OPEN_GROUP&#8217;<br \/>EXPORTING<br \/>client = sy-mandt<br \/>group = &#8216;ZBDCSAMPLE&#8217;<br \/>user = sy-uname.<\/p>\n<p>&#8221; Insert transaction into session<br \/>CALL FUNCTION &#8216;BDC_INSERT&#8217;<br \/>EXPORTING<br \/>tcode = &#8216;MM01&#8217;<br \/>TABLES<br \/>dynprotab = lt_bdcdata.<\/p>\n<p>&#8221; Close session<br \/>CALL FUNCTION &#8216;BDC_CLOSE_GROUP&#8217;.<\/p>\n<p>&nbsp;<\/p>\n<p><strong>Example: Using Call Transaction<\/strong><\/p>\n<p>CALL TRANSACTION &#8216;MM01&#8217; USING lt_bdcdata MODE &#8216;A&#8217;.<\/p>\n<ul>\n<li>\n<p><code>MODE 'A'<\/code> \u2192 All screens displayed.<\/p>\n<\/li>\n<li>\n<p><code>MODE 'N'<\/code> \u2192 No screens (background).<\/p>\n<\/li>\n<li>\n<p><code>MODE 'E'<\/code> \u2192 Errors only.<\/p>\n<\/li>\n<\/ul>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","question-category":[158],"question_tags":[178,388,387,177],"class_list":["post-7665","question","type-question","status-publish","hentry","question-category-abap","question_tags-abap","question_tags-batch-data-communication","question_tags-bdc","question_tags-sap"],"_links":{"self":[{"href":"https:\/\/www.sapewmhelp.com\/index.php?rest_route=\/wp\/v2\/question\/7665","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.sapewmhelp.com\/index.php?rest_route=\/wp\/v2\/question"}],"about":[{"href":"https:\/\/www.sapewmhelp.com\/index.php?rest_route=\/wp\/v2\/types\/question"}],"author":[{"embeddable":true,"href":"https:\/\/www.sapewmhelp.com\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.sapewmhelp.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=7665"}],"wp:attachment":[{"href":"https:\/\/www.sapewmhelp.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=7665"}],"wp:term":[{"taxonomy":"question-category","embeddable":true,"href":"https:\/\/www.sapewmhelp.com\/index.php?rest_route=%2Fwp%2Fv2%2Fquestion-category&post=7665"},{"taxonomy":"question_tags","embeddable":true,"href":"https:\/\/www.sapewmhelp.com\/index.php?rest_route=%2Fwp%2Fv2%2Fquestion_tags&post=7665"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}