Using The Sql Statement Reference - Sybase Adaptive Server Anywhere Reference

Using the SQL statement reference

Using the SQL statement reference
Common elements in SQL syntax
378
This section describes some conventions used in documenting the SQL
statements.
This section lists language elements that are found in the syntax of many
SQL statements.
$
For more information on the elements described here, see "Identifiers"
on page 223, "SQL Data Types" on page 263, "Search conditions" on
page 239, "Expressions" on page 230, or "Strings" on page 224.
♦
An identifier that represents the name of a column.
column-name
♦
An expression that evaluates to TRUE, FALSE, or
condition
UNKNOWN.
♦
connection-name
connection.
♦
data-type A storage data type.
♦
An expression.
expression
♦
filename A string containing a filename.
♦
A C language variable, declared as a host variable
host-variable
preceded by a colon.
♦
indicator-variable
immediately following a normal host variable. It must also be preceded
by a colon. Indicator variables are used to pass NULL values to and
from the database.
♦
number Any sequence of digits followed by an optional decimal part
and preceded by an optional negative sign. Optionally, the number can
be followed by an E and then an exponent. For example,
42
-4.038
.001
3.4e10
1e-10
♦
An identifier representing the user ID who owns a database
owner
object.
A string representing the name of an active
A second host variable of type short int