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| author | deepakjadmin |
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| date | Wed, 20 Jan 2016 09:23:18 -0500 |
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| -1:000000000000 | 0:4816e4a8ae95 |
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| 1 <html> | |
| 2 <head> | |
| 3 <title>MayaChemTools:Documentation:DBUtil.pm</title> | |
| 4 <meta http-equiv="content-type" content="text/html;charset=utf-8"> | |
| 5 <link rel="stylesheet" type="text/css" href="../../css/MayaChemTools.css"> | |
| 6 </head> | |
| 7 <body leftmargin="20" rightmargin="20" topmargin="10" bottommargin="10"> | |
| 8 <br/> | |
| 9 <center> | |
| 10 <a href="http://www.mayachemtools.org" title="MayaChemTools Home"><img src="../../images/MayaChemToolsLogo.gif" border="0" alt="MayaChemTools"></a> | |
| 11 </center> | |
| 12 <br/> | |
| 13 <div class="DocNav"> | |
| 14 <table width="100%" border=0 cellpadding=0 cellspacing=2> | |
| 15 <tr align="left" valign="top"><td width="33%" align="left"><a href="./ConversionsUtil.html" title="ConversionsUtil.html">Previous</a> <a href="./index.html" title="Table of Contents">TOC</a> <a href="./FileIO.html" title="FileIO.html">Next</a></td><td width="34%" align="middle"><strong>DBUtil.pm</strong></td><td width="33%" align="right"><a href="././code/DBUtil.html" title="View source code">Code</a> | <a href="./../pdf/DBUtil.pdf" title="PDF US Letter Size">PDF</a> | <a href="./../pdfgreen/DBUtil.pdf" title="PDF US Letter Size with narrow margins: www.changethemargins.com">PDFGreen</a> | <a href="./../pdfa4/DBUtil.pdf" title="PDF A4 Size">PDFA4</a> | <a href="./../pdfa4green/DBUtil.pdf" title="PDF A4 Size with narrow margins: www.changethemargins.com">PDFA4Green</a></td></tr> | |
| 16 </table> | |
| 17 </div> | |
| 18 <p> | |
| 19 </p> | |
| 20 <h2>NAME</h2> | |
| 21 <p>DBUtil</p> | |
| 22 <p> | |
| 23 </p> | |
| 24 <h2>SYNOPSIS</h2> | |
| 25 <p>use DBUtil;</p> | |
| 26 <p>use DBUtil qw(:all);</p> | |
| 27 <p> | |
| 28 </p> | |
| 29 <h2>DESCRIPTION</h2> | |
| 30 <p><strong>DBUtil</strong> module provides the following functions:</p> | |
| 31 <p> <a href="#dbconnect">DBConnect</a>, <a href="#dbdisconnect">DBDisconnect</a>, <a href="#dbfetchschematablenames">DBFetchSchemaTableNames</a>, <a href="#dbsqltotextfile">DBSQLToTextFile</a> | |
| 32 , <a href="#dbsetupdescribesql">DBSetupDescribeSQL</a>, <a href="#dbsetupselectsql">DBSetupSelectSQL</a> | |
| 33 </p><p>DBUtil package uses Perl DBI for interacting with MySQL Oracle, and PostgreSQL | |
| 34 databases.</p> | |
| 35 <p> | |
| 36 </p> | |
| 37 <h2>FUNCTIONS</h2> | |
| 38 <dl> | |
| 39 <dt><strong><a name="dbconnect" class="item"><strong>DBConnect</strong></a></strong></dt> | |
| 40 <dd> | |
| 41 <div class="OptionsBox"> | |
| 42 $DBHandle = DBConnect($DBDriver, $DBName, $DBHost, $DBUser, $DBPassword);</div> | |
| 43 <p>Connects to a database using specified parameters and returns a <strong>DBHandle</strong>.</p> | |
| 44 </dd> | |
| 45 <dt><strong><a name="dbdisconnect" class="item"><strong>DBDisconnect</strong></a></strong></dt> | |
| 46 <dd> | |
| 47 <div class="OptionsBox"> | |
| 48 DBDisconnect($DBHandle);</div> | |
| 49 <p>Disconnects from a database specified by <em>DBHandle</em>.</p> | |
| 50 </dd> | |
| 51 <dt><strong><a name="dbfetchschematablenames" class="item"><strong>DBFetchSchemaTableNames</strong></a></strong></dt> | |
| 52 <dd> | |
| 53 <div class="OptionsBox"> | |
| 54 @SchemaTableNames = DBFetchSchemaTableNames($DBDriver, $DBHandle, | |
| 55 $SchemaName);</div> | |
| 56 <p>Returns an array of all the table names in a database <em>SchemaName</em>.</p> | |
| 57 </dd> | |
| 58 <dt><strong><a name="dbsetupdescribesql" class="item"><strong>DBSetupDescribeSQL</strong></a></strong></dt> | |
| 59 <dd> | |
| 60 <div class="OptionsBox"> | |
| 61 $DescribeSQL = DBSetupDescribeSQL($DBDriver, $TableName, [$SchemaName]);</div> | |
| 62 <p>Sets up and returns a SQL statement to describe a table for MySQ, Oracle or PostgreSQL.</p> | |
| 63 </dd> | |
| 64 <dt><strong><a name="dbsetupselectsql" class="item"><strong>DBSetupSelectSQL</strong></a></strong></dt> | |
| 65 <dd> | |
| 66 <div class="OptionsBox"> | |
| 67 $SelectSQL = DBSetupSelectSQL($DBDriver, $TableName, $SchemaName);</div> | |
| 68 <p>Sets up and returns a SQL statement to retrieve all columns from a table for MySQL, | |
| 69 Oracle, or PostgreSQL.</p> | |
| 70 </dd> | |
| 71 <dt><strong><a name="dbsqltotextfile" class="item"><strong>DBSQLToTextFile</strong></a></strong></dt> | |
| 72 <dd> | |
| 73 <div class="OptionsBox"> | |
| 74 $Status = DBSQLToTextFile($DBHandle, $SQL, \*TEXTFILE, $OutDelim, | |
| 75 $OutQuote, [$ExportDataLabels, $ExportLOBs, | |
| 76 $ReplaceNullStr]);</div> | |
| 77 <p>Executes a <em>SQL</em> statement and export all data into a text file.</p> | |
| 78 </dd> | |
| 79 </dl> | |
| 80 <p> | |
| 81 </p> | |
| 82 <h2>AUTHOR</h2> | |
| 83 <p><a href="mailto:msud@san.rr.com">Manish Sud</a></p> | |
| 84 <p> | |
| 85 </p> | |
| 86 <h2>COPYRIGHT</h2> | |
| 87 <p>Copyright (C) 2015 Manish Sud. All rights reserved.</p> | |
| 88 <p>This file is part of MayaChemTools.</p> | |
| 89 <p>MayaChemTools is free software; you can redistribute it and/or modify it under | |
| 90 the terms of the GNU Lesser General Public License as published by the Free | |
| 91 Software Foundation; either version 3 of the License, or (at your option) | |
| 92 any later version.</p> | |
| 93 <p> </p><p> </p><div class="DocNav"> | |
| 94 <table width="100%" border=0 cellpadding=0 cellspacing=2> | |
| 95 <tr align="left" valign="top"><td width="33%" align="left"><a href="./ConversionsUtil.html" title="ConversionsUtil.html">Previous</a> <a href="./index.html" title="Table of Contents">TOC</a> <a href="./FileIO.html" title="FileIO.html">Next</a></td><td width="34%" align="middle"><strong>March 29, 2015</strong></td><td width="33%" align="right"><strong>DBUtil.pm</strong></td></tr> | |
| 96 </table> | |
| 97 </div> | |
| 98 <br /> | |
| 99 <center> | |
| 100 <img src="../../images/h2o2.png"> | |
| 101 </center> | |
| 102 </body> | |
| 103 </html> |