ALTER TABLE
Using the ALTER TABLE command, you can modify the columns and additional parameters of row and column tables. Multiple actions can be specified in a single command. Generally, the ALTER TABLE command looks like this:
ALTER TABLE table_name action1, action2, ..., actionN;
An action is any modification to the table, as described below:
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Managing columns of row and column tables.
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Adding or removing a changefeed.
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Managing a secondary index.
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Managing column groups of a row table.
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Modifying additional table parameters.