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NAME

DBUtil

SYNOPSIS

use DBUtil;

use DBUtil qw(:all);

DESCRIPTION

DBUtil module provides the following functions:

DBConnect, DBDisconnect, DBFetchSchemaTableNames, DBSQLToTextFile, DBSetupDescribeSQL, DBSetupSelectSQL

DBUtil package uses Perl DBI for interacting with MySQL Oracle, and PostgreSQL databases.

FUNCTIONS

DBConnect
$DBHandle = DBConnect($DBDriver, $DBName, $DBHost, $DBUser, $DBPassword);

Connects to a database using specified parameters and returns a DBHandle.

DBDisconnect
DBDisconnect($DBHandle);

Disconnects from a database specified by DBHandle.

DBFetchSchemaTableNames
@SchemaTableNames = DBFetchSchemaTableNames($DBDriver, $DBHandle, $SchemaName);

Returns an array of all the table names in a database SchemaName.

DBSetupDescribeSQL
$DescribeSQL = DBSetupDescribeSQL($DBDriver, $TableName, [$SchemaName]);

Sets up and returns a SQL statement to describe a table for MySQ, Oracle or PostgreSQL.

DBSetupSelectSQL
$SelectSQL = DBSetupSelectSQL($DBDriver, $TableName, $SchemaName);

Sets up and returns a SQL statement to retrieve all columns from a table for MySQL, Oracle, or PostgreSQL.

DBSQLToTextFile
$Status = DBSQLToTextFile($DBHandle, $SQL, \*TEXTFILE, $OutDelim, $OutQuote, [$ExportDataLabels, $ExportLOBs, $ReplaceNullStr]);

Executes a SQL statement and export all data into a text file.

AUTHOR

Manish Sud

COPYRIGHT

Copyright (C) 2019 Manish Sud. All rights reserved.

This file is part of MayaChemTools.

MayaChemTools is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version.

 

 

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