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| author | deepakjadmin |
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| date | Wed, 20 Jan 2016 09:23:18 -0500 |
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| 1 <html> | |
| 2 <head> | |
| 3 <title>MayaChemTools:Documentation:DBTablesToTextFiles.pl</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="./DBSQLToTextFiles.html" title="DBSQLToTextFiles.html">Previous</a> <a href="./index.html" title="Table of Contents">TOC</a> <a href="./ElementalAnalysis.html" title="ElementalAnalysis.html">Next</a></td><td width="34%" align="middle"><strong>DBTablesToTextFiles.pl</strong></td><td width="33%" align="right"><a href="././code/DBTablesToTextFiles.html" title="View source code">Code</a> | <a href="./../pdf/DBTablesToTextFiles.pdf" title="PDF US Letter Size">PDF</a> | <a href="./../pdfgreen/DBTablesToTextFiles.pdf" title="PDF US Letter Size with narrow margins: www.changethemargins.com">PDFGreen</a> | <a href="./../pdfa4/DBTablesToTextFiles.pdf" title="PDF A4 Size">PDFA4</a> | <a href="./../pdfa4green/DBTablesToTextFiles.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>DBToTextFiles.pl - Export data from database TableName(s) into CSV/TSV text files</p> | |
| 22 <p> | |
| 23 </p> | |
| 24 <h2>SYNOPSIS</h2> | |
| 25 <p>DBTablesToTextFiles.pl TableName(s)...</p> | |
| 26 <p>DBTablesToTextFiles.pl [<strong>-d, --dbdriver</strong> mysql | Oracle | Postgres or Pg] [<strong>--dbhost </strong> hostname] | |
| 27 [<strong>--dbname</strong> databasename] [<strong>--dbpassword</strong> password] [<strong>--dbusername</strong> username] | |
| 28 [<strong>--exportdatalabels</strong> yes | no] [<strong>--exportlobs</strong> yes | no] [<strong>-h, --help</strong>] | |
| 29 [<strong>-m, --mode</strong> exportdata | describetable] [<strong>-o, --overwrite</strong>] [<strong>--outdelim</strong> comma | tab | semicolon] | |
| 30 [<strong>-q, --quote</strong> yes | no] [<strong>-r, --root</strong> rootname] [<strong>--replacenullstr string</strong>] | |
| 31 [<strong>-w --workingdir</strong> dirname] TableName(s)...</p> | |
| 32 <p> | |
| 33 </p> | |
| 34 <h2>DESCRIPTION</h2> | |
| 35 <p>Export data from MySQL, Oracle or PostgreSQL database tables into CSV/TSV text files. Or perform | |
| 36 describe on all tables and store its output into CSV/TSV text files. A text file is generated | |
| 37 for each table.</p> | |
| 38 <p> | |
| 39 </p> | |
| 40 <h2>OPTIONS</h2> | |
| 41 <dl> | |
| 42 <dt><strong><strong>-d, --dbdriver</strong> <em>mysql | Oracle | Postgres or Pg</em></strong></dt> | |
| 43 <dd> | |
| 44 <p>Database driver name. Possible values: <em>mysql, Oracle, Postgres or Pg</em>. Default: <em>MySQL</em> or value of | |
| 45 environment variable DBI_DRIVER. This script has only been tested with MySQL, Oracle | |
| 46 and PostgreSQL drivers.</p> | |
| 47 </dd> | |
| 48 <dt><strong><strong>--dbhost </strong> <em>hostname</em></strong></dt> | |
| 49 <dd> | |
| 50 <p>Database host name. Default: <em>127.0.0.1</em> for both MySQL and Oracle. For remote | |
| 51 databases, specify complete remote host domain: <em>dbhostname.org</em> or something | |
| 52 like it.</p> | |
| 53 </dd> | |
| 54 <dt><strong><strong>--dbname</strong> <em>databasename</em></strong></dt> | |
| 55 <dd> | |
| 56 <p>Database name. Default: mysql for MySQL, postgres for PostgreSQL and none for Oracle. | |
| 57 For connecting to local/remote Oracle databases, this value can be left undefined assuming | |
| 58 <strong>--dbhost</strong> is correctly specified.</p> | |
| 59 </dd> | |
| 60 <dt><strong><strong>--dbpassword</strong> <em>password</em></strong></dt> | |
| 61 <dd> | |
| 62 <p>Database user password. Default: <em>none</em> and value of environment variable DBI_PASS | |
| 63 is used for connecting to database.</p> | |
| 64 </dd> | |
| 65 <dt><strong><strong>--dbusername</strong> <em>username</em></strong></dt> | |
| 66 <dd> | |
| 67 <p>Database user name. Default: <em>none</em> and value of environment variable DBI_USER is | |
| 68 used for connecting to database.</p> | |
| 69 </dd> | |
| 70 <dt><strong><strong>--exportdatalabels</strong> <em>yes | no</em></strong></dt> | |
| 71 <dd> | |
| 72 <p>This option is mode specific and controls exporting of column data labels during | |
| 73 exportdata mode. Possible values: <em>yes or no</em>. Default: <em>yes</em>.</p> | |
| 74 </dd> | |
| 75 <dt><strong><strong>--exportlobs</strong> <em>yes | no</em></strong></dt> | |
| 76 <dd> | |
| 77 <p>This option is mode specific and controls exporting of CLOB/BLOB or BYTEA data columns during | |
| 78 exportdata mode. Possible values: <em>yes or no</em>. Default: <em>no</em>.</p> | |
| 79 </dd> | |
| 80 <dt><strong><strong>-h, --help</strong></strong></dt> | |
| 81 <dd> | |
| 82 <p>Print this help message.</p> | |
| 83 </dd> | |
| 84 <dt><strong><strong>-m, --mode</strong> <em>exportdata | describetable</em></strong></dt> | |
| 85 <dd> | |
| 86 <p>Data selection criterion from database. Possible values: <em>exportdata or describetable</em>. | |
| 87 Default value: <em>exportdata</em>.</p> | |
| 88 </dd> | |
| 89 <dt><strong><strong>-o, --overwrite</strong></strong></dt> | |
| 90 <dd> | |
| 91 <p>Overwrite existing files.</p> | |
| 92 </dd> | |
| 93 <dt><strong><strong>--outdelim</strong> <em>comma | tab | semicolon</em></strong></dt> | |
| 94 <dd> | |
| 95 <p>Output text file delimiter. Possible values: <em>comma, tab, or semicolon</em> | |
| 96 Default value: <em>comma</em>.</p> | |
| 97 </dd> | |
| 98 <dt><strong><strong>-q, --quote</strong> <em>yes | no</em></strong></dt> | |
| 99 <dd> | |
| 100 <p>Put quotes around column values in output text file. Possible values: <em>yes or | |
| 101 no</em>. Default value: <em>yes</em>.</p> | |
| 102 </dd> | |
| 103 <dt><strong><strong>-r, --root</strong> <em>rootname</em></strong></dt> | |
| 104 <dd> | |
| 105 <p>New file name is generated using the root:<Root>.<Ext>. Default new file | |
| 106 file names: <Mode><TableName>.<Ext>. The csv and tsv <Ext> values are used | |
| 107 for comma/semicolon, and tab delimited text files respectively.This option is | |
| 108 ignored for multiple input table names.</p> | |
| 109 </dd> | |
| 110 <dt><strong><strong>--replacenullstr</strong> <em>string</em></strong></dt> | |
| 111 <dd> | |
| 112 <p>Replace NULL or undefined row values with specified value. Default: <em>none</em></p> | |
| 113 <p>For importing output text files into MySQL database using "load data local infile '<tablename>.tsv' | |
| 114 into table <tablename>" command, use <em>--raplacenullstr "NULL"</em> in conjunction with <em>--exportdatalabels no</em>, | |
| 115 <em>--quote no</em>, and <em>--outdelim tab</em> options: it'll generate files for direct import into MySQL assuming | |
| 116 tables already exists.</p> | |
| 117 </dd> | |
| 118 <dt><strong><strong>-w --workingdir</strong> <em>dirname</em></strong></dt> | |
| 119 <dd> | |
| 120 <p>Location of working directory. Default: current directory.</p> | |
| 121 </dd> | |
| 122 </dl> | |
| 123 <p> | |
| 124 </p> | |
| 125 <h2>EXAMPLES</h2> | |
| 126 <p>To export all data in user and user_info tables from a MySQL server running on a local machine | |
| 127 using username/password from DBI_USER and DBI_PASS environmental variables, type:</p> | |
| 128 <div class="ExampleBox"> | |
| 129 % DBTablesToTextFiles.pl -o user user_info</div> | |
| 130 <p>To describe user and user_info tables in a MySQL server running on a remote machine using explicit | |
| 131 username/password and capturing the output into a DescribeTables.csv file, type:</p> | |
| 132 <div class="ExampleBox"> | |
| 133 % DBTablesToTextFiles.pl --dbdriver mysql --dbuser <name> --dbpassword | |
| 134 <pasword> --dbname mysql --dbhost <mysqlhostname.org> | |
| 135 -r DescribeTable -m describetable -o user user_info</div> | |
| 136 <p>To describe table all_tables in Oracle running on a remote machine using explicit | |
| 137 username/password and capturing the output into a DescribeAllTable.tsv file, type:</p> | |
| 138 <div class="ExampleBox"> | |
| 139 % DBTablesToTextFiles.pl --dbdriver Oracle --dbuser <name> --dbpassword | |
| 140 <pasword> --dbhost <oraclehostname.com> -r DescribeAllTable | |
| 141 -m describetable --outdelim tab --quote no -o all_tables</div> | |
| 142 <p>To export all data in user and user_info tables from MySQL server running on a local machine | |
| 143 using explicit username/password and capturing the data in ExportTables.tsv file with empty | |
| 144 values substituted with NULL and no column labels, type:</p> | |
| 145 <div class="ExampleBox"> | |
| 146 % DBTablesToTextFiles.pl --dbdriver Oracle --dbuser <name> --dbpassword | |
| 147 <pasword> -r ExportTables --outdelim tab --quote no --replacenullstr | |
| 148 "\N" -m exportdata --exportlobs no --exportdatalabels no -o | |
| 149 user user_info</div> | |
| 150 <p> | |
| 151 </p> | |
| 152 <h2>AUTHOR</h2> | |
| 153 <p><a href="mailto:msud@san.rr.com">Manish Sud</a></p> | |
| 154 <p> | |
| 155 </p> | |
| 156 <h2>SEE ALSO</h2> | |
| 157 <p><a href="./DBSchemaTablesToTextFiles.html">DBSchemaTablesToTextFiles.pl</a>, <a href="./DBSQLToTextFiles.html">DBSQLToTextFiles.pl</a> | |
| 158 </p> | |
| 159 <p> | |
| 160 </p> | |
| 161 <h2>COPYRIGHT</h2> | |
| 162 <p>Copyright (C) 2015 Manish Sud. All rights reserved.</p> | |
| 163 <p>This file is part of MayaChemTools.</p> | |
| 164 <p>MayaChemTools is free software; you can redistribute it and/or modify it under | |
| 165 the terms of the GNU Lesser General Public License as published by the Free | |
| 166 Software Foundation; either version 3 of the License, or (at your option) | |
| 167 any later version.</p> | |
| 168 <p> </p><p> </p><div class="DocNav"> | |
| 169 <table width="100%" border=0 cellpadding=0 cellspacing=2> | |
| 170 <tr align="left" valign="top"><td width="33%" align="left"><a href="./DBSQLToTextFiles.html" title="DBSQLToTextFiles.html">Previous</a> <a href="./index.html" title="Table of Contents">TOC</a> <a href="./ElementalAnalysis.html" title="ElementalAnalysis.html">Next</a></td><td width="34%" align="middle"><strong>March 29, 2015</strong></td><td width="33%" align="right"><strong>DBTablesToTextFiles.pl</strong></td></tr> | |
| 171 </table> | |
| 172 </div> | |
| 173 <br /> | |
| 174 <center> | |
| 175 <img src="../../images/h2o2.png"> | |
| 176 </center> | |
| 177 </body> | |
| 178 </html> |