Delete specific values from column with where condition?

Question

I want to delete specific values/data from one column with the WHERE condition. Putting in another way, I don\'t want to delete the complete row. Is it possible?

Answer 1

You don't want to delete if you're wanting to leave the row itself intact. You want to update the row, and change the column value.

The general form for this would be an UPDATE statement:

UPDATE <table name>
SET
    ColumnA = <NULL, or '', or whatever else is suitable for the new value for the column>
WHERE
    ColumnA = <bad value> /* or any other search conditions */

Answer 2

UPDATE YourTable SET columnName = null WHERE YourCondition

Answer 3

Try this SQL statement:

update Table set Column =( Column - your val )

Answer 4

You can also use REPLACE():

UPDATE Table
   SET Column = REPLACE(Column, 'Test123', 'Test')

Answer 5

UPDATE myTable 
   SET myColumn = NULL 
 WHERE myCondition