Update with if else statement

Question

I tried using an SQL query below but got an error which says:

Msg 156, Level 15, State 1, Line 2
Incorrect syntax near the keyword 'IF'.
Msg 156, Level 15, State 1, Line 3
Incorrect syntax near the keyword 'THEN'.

Here's the SQL query

UPDATE TBLGPS 
IF speed >= 0
THEN SET REMARKS = 'Running'
ELSE SET REMARKS = 'Stopped' 
WHERE PLATENO = 'ALCORAN-WIH312' AND TRXTIME = '13:16:20'

Can anyone tell me where I went wrong?

user330315 · Accepted Answer · 2014-08-22 06:55:55Z

3

IF cannot be used in "regular" SQL Statements, use CASE instead:

UPDATE TBLGPS 
   set remarks = case
                    when speed >= 0 then 'Running'
                    else 'Stopped'
                 end
WHERE PLATENO = 'ALCORAN-WIH312' 
AND TRXTIME = '13:16:20'

answered Aug 22, 2014 at 6:55

user330315

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