This section lists language elements that are found in the syntax of many SQL statements.
column-name An identifier that represents the name of a column. See Identifiers.
condition An expression that evaluates to TRUE, FALSE, or UNKNOWN. See Truth value search conditions.
connection-name A string representing the name of an active connection. See SQL Anywhere database connections.
data-type A storage data type. See SQL data types.
expression An expression. A common example of an expression in syntax is a column name. See Expressions.
hostvar A C language variable, declared as a host variable preceded by a colon. See Using host variables.
indicator-variable A second host variable of type a_sql_len 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. See Using host variables.
materialized-view-name An identifier that represents the name of a materialized view. See Working with materialized views.
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owner An identifier representing the user ID who owns a database object. See Permissions acquired through ownership of an object.
query-expression A query expression can be a SELECT, UNION, INTERSECT, or EXCEPT block (that is, a statement that does not contain an ORDER BY, WITH, FOR, FOR XML, or OPTION clause), or any combination of such blocks.
role-name An identifier representing the role name of a foreign key. In conceptual database modeling, a verb or phrase that describes a relationship from one point of view. You can describe each relationship with two roles. Examples of roles are "contains" and "is a member of."
savepoint-name An identifier that represents the name of a savepoint. See Savepoints within transactions.
search-condition A condition that evaluates to TRUE, FALSE, or UNKNOWN. See Search conditions.
special-value One of the special values described in Special values.
statement-label An identifier that represents the label of a loop or compound statement. See Control statements.
string-expression An expression that resolves to a string. See Expressions.
table-name An identifier that represents the name of a table. See Identifiers.
userid An identifier representing a user name. See Identifiers.
variable-name An identifier that represents a variable name. See Variables.
window-name An identifier that represents a window name. Used in syntax related to window definition (for example, the WINDOW clause, and window functions such as RANK). See Identifiers.
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