Sybase 12.4.2 manual 293, Only one writer at a time

CHAPTER 8 Transactions and Versioning

Figure 8-1: Only one writer at a time

Meanwhile, other users can read from the customer table at any time. In this way queries can proceed while the database administrator inserts and deletes table data. In Figure 8-2, User 3 and User 4 are able to query the customer table while User 1’s write transaction remains open.

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