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TIBCO ActiveSpaces® - Enterprise Edition 5.0.0

# UPDATE

The UPDATE operation modifies the existing rows in a data grid table. Before calling the `update()` method, you must first create a row object and set the primary key columns to identify the row that is going to be updated. Next, set any non-primary key columns that must be updated. Columns that are not set are not modified in the existing row.

Note: You cannot use the UPDATE operation to modify the primary key fields.

If a row with the primary key exists in the table, the `update()` method returns 1 whether any columns are updated. If a row with the primary key does not exist in the table, no update is done and 0 is returned.

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TIBCO ActiveSpaces® - Enterprise Edition

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