IT: Structure of a table in SQL

How to show the structure of a table in SQL:

desc

example: desc ICECREAM;

Output:

SQL> desc ICECREAM;

Name                                      Null?    Type

—————————————– ——– —————————-

ICE_CREAM_ID                              NOT NULL NUMBER(3)

ICE_CREAM_FLAVOR                                   CHAR(16)

PRICE                                              NUMBER(6,2)

YEAR_FIRST_OFFERED                                 NUMBER(4)

SELLING_STATUS                                     CHAR(14)

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