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Copying selected tables from one user to another

I want to copy only selected table structures from one user to another user in Oracle.

I want to copy only selected table structures from one user to another user in Oracle.
Sign on as SYSTEM and use the CREATE TABLE AS SELECT (CTAS) command similar to the following: 
CREATE TABLE bob.tableX AS SELECT * FROM tom.tableX;
The above will create a table owned by BOB as a duplicate of the table that is currently owned by TOM. If you only want the structure and no rows of data, use the following: 
CREATE TABLE bob.tableX AS SELECT * FROM tom.tableX WHERE 0=1;

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