I have following data in my table "devices" … I executed below query … It returns result given below … How to come out of this so that it should ignore NULL AND result should be …
SELECT COUNT(*), 'null_tally' AS narrative FROM us WHERE a IS NULL UNION SELECT COUNT(*), 'not_null_tally' AS narrative FROM us WHERE a IS NOT
gulmeli-ehvalat-and-select-1-from-select-count-concat-select...
Union select null, null, null, null, null, null, null from information_schema.tables. for a small database containing three tables. this instruction is used in sql injection I tried it and it worked but I didn't really know how it works can somebody help me...
Data Found: name= Turning on 'bypass illegal union' and retrying!
How can I run a MySQL query that selects everything that is not null? It would be something like … Do I just remove the all and go..?
mysql> SELECT NULL, 1+NULL, CONCAT('Invisible',NULL)
SELECT column_names FROM table_name WHERE column_name IS NOT NULL
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