SQL Syntax Formats

Table 1 SQL syntax formats

Format	Description
[ ]	Items (keywords or arguments) in square brackets [ ] are optional.
...	Preceding elements can appear repeatedly.
[ x \| y \| ... ]	Optional alternative items are grouped in square brackets and separated by vertical bars. One or none is selected.
{ x \| y \| ... }	Alternative items are grouped in braces and separated by vertical bars. One is selected.
[x \| y \| ... ] [ ... ]	Multiple parameters or no parameter can be selected. If multiple parameters are selected, separate them with spaces.
[ x \| y \| ... ] [ ,... ]	Multiple parameters or no parameter can be selected. If multiple parameters are selected, separate them with commas (,).
{ x \| y \| ... } [ ... ]	At least one parameter can be selected. If multiple parameters are selected, separate them with spaces.
{ x \| y \| ... } [ ,... ]	At least one parameter can be selected. If multiple parameters are selected, separate them with commas (,).