Syntax
DESCRIBE { table-Name | view-Name }
Description
Provides a decription of the specified table or view. For a list of tables in the current schema, use the Show Tables command. For a list of views in the current schema, use the Show Views command. For a list of available schemas, use the Show Schemas command.
If the table or view is in a particular schema, qualify it with the schema name. If the table or view name is case-sensitive, enclose it in single quotes. You can display all the columns from all the tables and views in a single schema in a single display by using the wildcard character '*'. See the examples below.
Examples
ij> describe airlines;
COLUMN_NAME |TYPE_NAME|DEC&|NUM&|COLUM&|COLUMN_DEF|CHAR_OCTE&|IS_NULL&
------------------------------------------------------------------------------
AIRLINE |CHAR |NULL|NULL|2 |NULL |4 |NO
AIRLINE_FULL |VARCHAR |NULL|NULL|24 |NULL |48 |YES
BASIC_RATE |DOUBLE |NULL|2 |52 |NULL |NULL |YES
DISTANCE_DISCOUNT |DOUBLE |NULL|2 |52 |NULL |NULL |YES
BUSINESS_LEVEL_FACT&|DOUBLE |NULL|2 |52 |NULL |NULL |YES
FIRSTCLASS_LEVEL_FA&|DOUBLE |NULL|2 |52 |NULL |NULL |YES
ECONOMY_SEATS |INTEGER |0 |10 |10 |NULL |NULL |YES
BUSINESS_SEATS |INTEGER |0 |10 |10 |NULL |NULL |YES
FIRSTCLASS_SEATS |INTEGER |0 |10 |10 |NULL |NULL |YES
-- describe a table in another schema:
describe user2.flights;
-- describe a table whose name is in mixed-case:
describe 'EmployeeTable';
-- describe a table in a different schema, with a case-sensitive name:
describe 'MyUser.Orders';
-- describe all the columns from all the tables and views in APP schema:
describe 'APP.*';
-- describe all the columns in the current schema:
describe '*';
