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SQL Anywhere 11.0.1 (Français) » SQL Remote » SQL Remote Replication Design » SQL Remote replication design and set up


Row not found errors

A user deletes a row (with a given primary key value.) A second user updates or deletes the same row at another site. In this case, the second statement fails, as the row is not found.

To replicate UPDATE and DELETE statements correctly, you must include all of the primary key columns in the article.

When an UPDATE or a DELETE statement is replicated, SQL Remote uses the primary key columns to uniquely identify the row being updated or deleted. All tables being replicated must have a declared primary key or uniqueness constraint. A unique index is not enough.

WHERE clause and primary keys

The primary key columns are used in the WHERE clause of replicated UPDATE and DELETE statements. When a table has no primary key, the WHERE clause refers to all columns in the table. See Replicating INSERT and DELETE statements.

See also