Advanced Perl Technologies 


			COURSE DESCRIPTION

	This course teaches advanced concepts and capabilities that can be
	used to write procedures in Perl (V5), especially the new interfaces
	that use object-oriented features.


			COURSE OBJECTIVES

	Each participant will be able to use Perl techniques and commands
	to write scripts to perform various user and administrative tasks,
	implementing advanced features of the language.


			COURSE TOPICS

	=========== REFERENCES, MODULES, OBJECTS, EXTENSIONS ======

		Using Perl Typeglobs
			Perl variables, symbol tables, and scope
			Typeglobs usage with functions
			local, global, private variable scopes 


		Using Perl References
			Purpose of references
			Querying a reference
			Symbolic references
			Multi-dimensional arrays
			Complex hash structures
			References to functions
			Closures


		Perl Modules and Packages
			Basic packages
			Packages and component files
			Using Exporter and the ISA array
			Initialization and destruction
			Accessing the symbol table		


		Object Oriented Perl Programming
			Objects in Perl
			Inheritance
			Methods of passing arguments to the constructor


		Data persistance methods
			Flat file databases
			Concurrent access and lock mechanisms
			Using the Tie capabilities
			MLDBM (multi-level database) extension	


		Extending Perl
			Writing an extension feature for Perl
			Implementing a Perl extension
			Perl Scripts for Networking with Sockets

		An Introduction to Perl/Tk

		Adding documentation to Perl procedures


	=============== Perl DBI ================	

		Overview of Data and Databases
			Usage on various types of systems
			Historical interfaces
			Role of Perl in data acquisition and access


		The Perl Database Interface Extensions
			Obtaining necessary files
			Extending Perl with DBI
			DBI architecture (within Perl)

				
		Programming the Perl DBI
			Handles
			Data Source Identifiers
			Database connection / disconnection
			Error handling
			Miscellaneous utility methods
			Simple queries
			Non-SELECT statements
			Binding Parameters and Output Columns
			The do() and prepare() methods
			Attributes and metadata
			Transaction locking
			

		DBI Shell and Proxy Databases
			dbish distribution
			Features and usage 


			COURSE DURATION

	This course normally requires four (4) days, approximately 50%
	lecture and 50% lab time.
			
			COURSE PREREQUISITES

	Completion of the Programming in Perl course (on either Unix or Windows
	platforms) is assumed, or a knowledge of the Perl programming language.