16 The SQL Package

attribute-type

Function

Summary

Returns the type of a table's attribute.

Package

sql

Signature

attribute-type attribute table &key database => datatype

Arguments

table: A table.
attribute: An attribute from table.
database: A database.

Values

datatype: A type.

Description

The functionattribute-type returns the type of the attribute specified by attribute in the table given by table. The database, in which table is found, has a default value of*default-database*.

Example

This example shows how to query the type of the name attribute of the employee table.

(attribute-type [ename] [emp]) => ("CHAR")

See also
: list-attributes