About Transactions

In this section:


Top of page

x
About Transaction Behavior

While a write operation is being performed on a table, the following occurs:

While a read query is being executed on a table, the following occurs:

In general, Hyperstage uses table-level locking where only one write operation (INSERT, UPDATE, DELETE, or LOAD) can execute at one time.


Top of page

x
Failure Handling

If the Hyperstage server (ibengine) is terminated during an export operation to a disk file, the following occurs:

If Hyperstage tries to import data from a file created during a failed export session, the following occurs:


WebFOCUS