Updating Data
To update data, you can use buffers, transactions, or views.
In This Section
- How to: Perform Updates Using Buffers
Explains how to enable record or table buffering, after choosing the type of buffering method and type of locking.
- Managing Updates Using Transactions
Describes transactions and how to use them to protect update operations and use transactions to recover from an entire section of code as a unit.
- Managing Updates by Using Views
Discusses the use of views to manage data conflicts in multiuser environments.
Reference
- TABLEUPDATE( ) Function
Commit changes made to a buffered row, a buffered table, cursor, or cursor adapter.
- TABLEREVERT( ) Function
Discard changes made to a buffered row or a buffered table or cursor and restore the OLDVAL( ) data for remote cursors and the current disk values for local tables and cursors.
Related Sections
- Programming for Shared Access
Explains how programming for shared access makes it possible for you to create an application that will run on several machines in a network environment.
- Controlling Access to Data
Discusses effective data management in a shared environment, and how you must choose how to access the data and when and where to limit that access.
- Managing Conflicts When Updating Data
Discusses how you can anticipate and manage conflicts that result from data update operations.