Is it possible to drop a column in a table which contains only one column? How?
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Answer Posted / eshwer
No, its not possible to drop all columns.
CREATE TABLE T2(A NUMBER(2));
table T2 created.
alter table
T2
drop column
A;
Error report:
SQL Error: ORA-12983: cannot drop all columns in a table
12983. 00000 - "cannot drop all columns in a table"
*Cause: An attempt was made to drop all columns in a table.
*Action: Make sure at least one column remains in the table after
the drop column operation.
SELECT * FROM T2;
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