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doc/src/sgml/notation.sgml
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Bruce Momjian
doc: clarify syntax notation, particularly parentheses
03 фев 2022, 05:53
03 фев 2022, 05:53
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<!-- doc/src/sgml/notation.sgml --> <sect1 id="notation"> <title>Conventions</title> <para> The following conventions are used in the synopsis of a command: brackets (<literal>[</literal> and <literal>]</literal>) indicate optional parts. Braces (<literal>{</literal> and <literal>}</literal>) and vertical lines (<literal>|</literal>) indicate that you must choose one alternative. Dots (<literal>...</literal>) mean that the preceding element can be repeated. All other symbols, including parentheses, should be taken literally. </para> <para> Where it enhances the clarity, SQL commands are preceded by the prompt <literal>=></literal>, and shell commands are preceded by the prompt <literal>$</literal>. Normally, prompts are not shown, though. </para> <para> An <firstterm>administrator</firstterm> is generally a person who is in charge of installing and running the server. A <firstterm>user</firstterm> could be anyone who is using, or wants to use, any part of the <productname>PostgreSQL</productname> system. These terms should not be interpreted too narrowly; this book does not have fixed presumptions about system administration procedures. </para> </sect1>