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Postgres documentation
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<para>
The <replaceable class="parameter">storage</replaceable> keyword
- allows selection of TOAST for variable-length data types
+ allows selection of storage strategies for variable-length data types
(only <literal>plain</literal> is allowed for fixed-length types).
<literal>plain</literal> disables TOAST for the data type: it will always
be stored in-line and not compressed.
- <literal>extended</literal> is full TOAST capability: the system will
+ <literal>extended</literal> gives full TOAST capability: the system will
first try to compress a long data value, and will move the value out of
the main table row if it's still too long.
<literal>external</literal> allows the value to be moved out of the main