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.\" ========================================================================
.\"
.IX Title "DBUTIL 1"
.TH DBUTIL 1 "2015-03-29" "perl v5.14.2" "MayaChemTools"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l
.nh
.SH "NAME"
DBUtil
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
use DBUtil;
.PP
use DBUtil qw(:all);
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
\&\fBDBUtil\fR module provides the following functions:
.PP
DBConnect, DBDisconnect, DBFetchSchemaTableNames, DBSQLToTextFile,
DBSetupDescribeSQL, DBSetupSelectSQL
.PP
DBUtil package uses Perl \s-1DBI\s0 for interacting with MySQL Oracle, and PostgreSQL
databases.
.SH "FUNCTIONS"
.IX Header "FUNCTIONS"
.IP "\fBDBConnect\fR" 4
.IX Item "DBConnect"
.Vb 1
\&    $DBHandle = DBConnect($DBDriver, $DBName, $DBHost, $DBUser, $DBPassword);
.Ve
.Sp
Connects to a database using specified parameters and returns a \fBDBHandle\fR.
.IP "\fBDBDisconnect\fR" 4
.IX Item "DBDisconnect"
.Vb 1
\&    DBDisconnect($DBHandle);
.Ve
.Sp
Disconnects from a database specified by \fIDBHandle\fR.
.IP "\fBDBFetchSchemaTableNames\fR" 4
.IX Item "DBFetchSchemaTableNames"
.Vb 2
\&    @SchemaTableNames = DBFetchSchemaTableNames($DBDriver, $DBHandle,
\&                       $SchemaName);
.Ve
.Sp
Returns an array of all the table names in a database \fISchemaName\fR.
.IP "\fBDBSetupDescribeSQL\fR" 4
.IX Item "DBSetupDescribeSQL"
.Vb 1
\&    $DescribeSQL = DBSetupDescribeSQL($DBDriver, $TableName, [$SchemaName]);
.Ve
.Sp
Sets up and returns a \s-1SQL\s0 statement to describe a table for MySQ, Oracle or PostgreSQL.
.IP "\fBDBSetupSelectSQL\fR" 4
.IX Item "DBSetupSelectSQL"
.Vb 1
\&    $SelectSQL = DBSetupSelectSQL($DBDriver, $TableName, $SchemaName);
.Ve
.Sp
Sets up and returns a \s-1SQL\s0 statement to retrieve all columns from a table for MySQL,
Oracle, or PostgreSQL.
.IP "\fBDBSQLToTextFile\fR" 4
.IX Item "DBSQLToTextFile"
.Vb 3
\&    $Status = DBSQLToTextFile($DBHandle, $SQL, \e*TEXTFILE, $OutDelim,
\&              $OutQuote, [$ExportDataLabels, $ExportLOBs,
\&              $ReplaceNullStr]);
.Ve
.Sp
Executes a \fI\s-1SQL\s0\fR statement and export all data into a text file.
.SH "AUTHOR"
.IX Header "AUTHOR"
Manish Sud <[e-mail]>
.SH "COPYRIGHT"
.IX Header "COPYRIGHT"
Copyright (C) 2015 Manish Sud. All rights reserved.
.PP
This file is part of MayaChemTools.
.PP
MayaChemTools is free software; you can redistribute it and/or modify it under
the terms of the \s-1GNU\s0 Lesser General Public License as published by the Free
Software Foundation; either version 3 of the License, or (at your option)
any later version.