ActiveX Training | Delphi Courses

Introduction

This course focuses on the most common uses of ADO in a Delphi application.

Developers will learn how to convert an existing application from using the BDE to using ADO.

Developers will be able to design, develop and test an application using ADO to connect to a database.

Pre-Requisites

• A solid understanding of the Delphi language and database components.

Who should attend?

• This Delphi ADO training class is designed for Delphi programmers & IT managers managing Delphi programmers using any version of Delphi.

What will I learn?

Introduction to ADO

• ADO Defined
• History of ADO
• OLE DB Providers
• ADO Structure
• MDAC, ADO, OLE DB & ODBC relationships
• OLE DB Providers
• ADO and different databases
• Getting The ADO Version Number

Delphi ADO Components

• Connecting to a database using TADOConnection
• Read and update data using the TADOQuery, TADODataSet, and TADOStoredProc.
• TADOCommand – sending information to the database
• Using parameters
• Setting timeout values
• ADO Connection String Arguments
• Cursor Types
• Lock Types

Advanced ADO concepts

• Handling one-to-many relationships
• Updating queries
• Using Batch updates
• Resolving update conflicts
• Using auto-increment keys
• Exception handling
• Distributing ADO applications
• Managing ADO Transactions
• Loading data from and saving data to files
• Cancelling a command
• Transactions
• Transaction Isolation levels
• Nested Transactions
• Determining transaction support
• Transaction Isolation Levels

Native ADO

• Accessing ADO without Delphi’s components

ADOX

• Extensions for data definition and security
• ADOX object model
• Creating tables, indexes, etc in a database
• Creating stored procedures
• Getting and setting user permissions

Converting from BDE to ADO

• BDE Component equivalents
• Conversion checklist
• BDE Tools and Their ADO Equivalents