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Consider a table with 8 rows 4 rows contains value 0 and 4
rows contains value 1.Now write a single update query to make
all 0's as 1 and all 1's as 0

Question Posted / randheer

Answers were Sorted based on User's Feedback



Consider a table with 8 rows 4 rows contains value 0 and 4 rows contains value 1.Now write a singl..

Answer / ajay sharma

UPDATE mytable set mycolumn = (mycolumn + 1)%2

Is This Answer Correct ?    21 Yes 4 No

Consider a table with 8 rows 4 rows contains value 0 and 4 rows contains value 1.Now write a singl..

Answer / vicky

Update test01 Set num =(case num when 1 then 0 when 0
then 1 else 3 end)

Is This Answer Correct ?    10 Yes 2 No

Consider a table with 8 rows 4 rows contains value 0 and 4 rows contains value 1.Now write a singl..

Answer / shaheem ck

UPDATE <tablename>
SET <columnname> = DECODE(<columnname>,0,1,
1,0,
<columnname>);

Is This Answer Correct ?    4 Yes 3 No

Consider a table with 8 rows 4 rows contains value 0 and 4 rows contains value 1.Now write a singl..

Answer / madhu sudhan g

Hiii Lets take a table Test contains one field No having 8
rows in that 4 rows are with 0's and 4 rows with 1's to update

Update Test
SET No=case when 1 then o
else 1
ENd

Is This Answer Correct ?    0 Yes 0 No

Consider a table with 8 rows 4 rows contains value 0 and 4 rows contains value 1.Now write a singl..

Answer / vernold

Update Table1 Set Column = case when Column = 1 then 0
when column = 0 then 1

Is This Answer Correct ?    5 Yes 7 No

Consider a table with 8 rows 4 rows contains value 0 and 4 rows contains value 1.Now write a singl..

Answer / krishna reddy l

update example set column1 = case when column1=0 then 1
when column1=1 then 0 end

Is This Answer Correct ?    0 Yes 3 No

Consider a table with 8 rows 4 rows contains value 0 and 4 rows contains value 1.Now write a singl..

Answer / vicky saini

Update (tablename) set (coulmn name)=1 where (coulmn name)
=0

Is This Answer Correct ?    1 Yes 6 No

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