Initializing help system before first use

# SQLrollback

Purpose
Terminate the current transaction by discarding any pending changes.
Synopsis
`procedure SQLrollback`
Further information
If the database supports transactions and the connection has been created in manual commit mode (see SQLautocommit), all changes to the database are recorded as a transaction. This procedure discards all pending changes corresponding to the current transaction and starts a new transaction.
Related topics
SQLcommit.
Module
mmodbc
Parent Topic Procedures and functions

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