<refsynopsisdiv>

<synopsis>

ALTER SYSTEM SET <replaceable class="parameter">configuration_parameter</replaceable> { TO | = } { <replaceable class="parameter">value</replaceable>| '<replaceable class="parameter">value</replaceable>' | DEFAULT }

ALTER SYSTEM SET <replaceable class="parameter">configuration_parameter</replaceable> { TO | = } { <replaceable class="parameter">value</replaceable>[, ...] | DEFAULT }

ALTER SYSTEM RESET <replaceable class="parameter">configuration_parameter</replaceable>

ALTER SYSTEM RESET ALL

New value of the parameter. Values can be specified as string

constants, identifiers, numbers, or comma-separated lists of

these, as appropriate for the particular parameter.

Values that are neither numbers nor valid identifiers must be quoted.

<literal>DEFAULT</literal> can be written to specify removing the

parameter and its value from <filename>postgresql.auto.conf</filename>.

</para>

<para>

For some list-accepting parameters, quoted values will produce

double-quoted output to preserve whitespace and commas; for others,

double-quotes must be used inside single-quoted strings to get

this effect.

</para>

</listitem>

</varlistentry>

</variablelist>