I have a table in which phno is one of the columns.i do have
some values in tht phno column.i need to update phno column
values with 0(zero) as prefix.give me a correct solution plz...
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Answer Posted / khalid moin
update <tablename>
set <column name>='0'||<coulmn name>;
this query will update the values present in column with
prefix 'o'
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