How to remove an individual of data in a column
Hi allI created a table like this script below
CREATE TABLE WORK_ALLOC)
(3) IDENTIFICATION NUMBER,
FORMNAME VARCHAR2 (8).
FORM_TYPE VARCHAR2 (2) NOT NULL);
I insert data in the table above.
Then I add a column called "CNT" Using ALTER TABLE statement.
Can I update the table and enter a value in the first row
UPDATE work_alloc
NTC SET = '100'
WHERE rownum = '1'
Here are the data in my table
CNT ID FORMNAME FO
100 1 txactdef F
2 txalerts F
3 txbehacc EN
Now, I need to delete the value '100' in the column of the CNT.
Y at - it any possibity to remove the value. If Yes please answer.
UPDATE work_alloc
SET CNT = null
Tags: Database
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