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Subject: 4.1.4. Special Characters
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The following documentation comment has been logged on the website:

Page: https://www.postgresql.org/docs/18/sql-syntax-lexical.html
Description:

>> The asterisk (*) is used in some contexts to denote all the fields of a
table row or composite value.

As for Postgres specifically, you can add an example like `SELECT ctid, *
FROM t;` and a link to Section 5.6, =E2=80=9CSystem Columns.=E2=80=9D