Sybase Adaptive Server Anywhere Reference page 398

Using the SQL statement reference
Statement applicability indicators
380
♦
Optional portions
square brackets.
RELEASE SAVEPOINT [ savepoint-name ]
These square brackets indicate that the savepoint-name is optional. The
square brackets should not be typed.
♦
Options When none or only one of a list of items can be chosen,
vertical bars separate the items and the list is enclosed in square
brackets.
[ ASC | DESC ]
For example, you can choose one of ASC, DESC, or neither. The square
brackets should not be typed.
♦
Alternatives When precisely one of the options must be chosen, the
alternatives are enclosed in curly braces.
[ QUOTES { ON | OFF } ]
If the QUOTES option is chosen, one of ON or OFF must be provided.
The braces should not be typed.
♦
One or more options
choices with commas.
{ CONNECT, DBA, RESOURCE }
Some statement titles are followed by an indicator in square brackets that
indicate where the statement can be used. These indicators are as follows:
♦
The statement is for use in Embedded SQL.
[ESQL]
♦
[Interactive SQL]
♦
[SP] The statement is for use in stored procedures, triggers, or batches.
♦
The statement is implemented for compatibility with Adaptive
[TSQL]
Server Enterprise. In some cases, the statement cannot be used in stored
procedures that are not in Transact-SQL format. In other cases, an
alternative statement closer to the SQL/92 standard is recommended
unless Transact-SQL compatibility is an issue.
If two sets of brackets are used, the statement can be used in both
environments. For example, [ESQL][SP] means a statement can be used
either in embedded SQL or in stored procedures.
Optional portions of a statement are enclosed by
If you choose more than one, separate your
The statement can be used only in Interactive SQL.