Wednesday, October 15, 2014

DISPLAYING THE TABLE STRUCTURE



DISPLAYING THE TABLE STRUCTURE

To display information about the columns defined in a table use the following syntax
Syntax:
DESCRIBE ;

This command displays the column names, the data types and the special attributes connected to the table.

Example:
Show the table structure of table EMP_MSTR

DESCRIBE EMP_MSTR;
Output:
Name                                       Null?                       Type
----------------------------------------------------------------------------
EMP_CODE                                                   VARCHAR2(5)
EMP_NAME                                                  VARCHAR2(10)
ADDRESS                                                     VARCHAR2(20)
CITY                                                               VARCHAR2(10)

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