MS Access – Part 1 (One Day Workshop)

MS Access – Part 1 ( One Day Workshop) Khader Shaik

MS Access - Contents Overview of MS Access Basics of Access Working with Wizards

What is MS Access Database Management & Application development System Small Scale DBMS System Works great for small-scale single user applications (gets complex for multi-user) Easy to build applications Provides various Wizards and built-in commands for quick application development Uses VBA for application development Access Database can be accessed from any other application using Access DB drivers

Other MS DBMS MSDE – MS SQL Server Desktop Engine SQL Server – enterprise RDBMS

Access Objects Tables Data Containers Queries Window to view, change and analyze data Forms User interface windows that can data display, data input etc Reports Data Reports for Print etc Macros Set of one more actions Pages Webpage published from access Modules VBA code collected under a module; declarations, statements and procedures

Queries Allow to View, change and analyze data Types of Queries Select Queries Retrieves data from one or more tables Parameter queries Query with parameters that prompts at run time Crosstab queries Used for calculations and restructuring for easy analysis (sum, avg etc) Action queries Used to perform database operations on bulk data (delete, update, make-table, append) Sql queries Developed using SQL statement

New Access DB Access provides Template to create new database Wizards allows customization Saves lot of time if your application has any similarities any template Available templates Event management Inventory Management Order Management Time and Billing Asset Tracking Contact Management

Wizards Database Design (from template) Table Design Query Design Report Design Form Design Page Design etc

Study of Northwind - Sample Database --

Creating a Switchboard Switchboard / startup window Provides the access to all application functions or any set of objects For eg: Contact Management Application Add Contact Delete Contact Update Contact Search Contact Reports Exit Application etc

Application Object High level object that hold all other objects and starts the application Access from Tools->Startup

Forms Forms can be used to view data, capture data or any thing else Forms are built using GUI controls like Command button, labels, pictures, data tables etc Each control responds to events Events can be attached with Expression, Macro or Script Custom script or the built-in function can be attached to event

Expressions & Macros Expression are built using Expression Builder Single line expression and Return some value Macro is set of one more built-in actions with name Repeating actions can be collected into Macros and reused

Macro Vs VBA Script Macros are simpler with limited programming support; VBA Script is complete programming language with error handling all other constructs VBA Code is faster than Macro with large number of actions Limited actions are available to build Macros where VBA Script can be developed to virtually anything VBA Script provides ability to communicate with external applications; There are no actions for Macros VBA supports XML VBA can access any external Components

Common controls & Common Events Image

VBA Script Me Reserved word that refers to the parent object that the script is in Very useful Eg: Me.Visible = False // better code that using the object name Refering to the control Eg: Me!Name = “Joe”

VBA Script …cont Refering to subform or reports Eg: Me!subform.Form!controlName Me – parent object Subform – subform name Form – is keword and must since its FORM within Form Refering to the parent object Me.Parent.ddd DoCmd Execute specific action Eg: DoCmd.Close (closed the form where is coded)

MS Access – Part 1 (One Day Workshop)

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MS Access – Part 1 (One Day Workshop)

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