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Selecting constants without referring to a table is perfectly legal in an SQL statement: SELECT 1, 2, 3. The result set that the latter returns is a single row containing the values.
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...
else (select 1 union select 2)end) С выводом script.php
Select2 gives you a customizable select box with support for searching, tagging, remote data sets, infinite scrolling, and many other highly used options.
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/index.php?id=null union all select 1,2,3,4,user(),6,database(),8,version(),10,11,12,1 3,14,15–. As you can see we selected values from the showing columns, what if we want to clean this up a bit, and put all of those selected values in one column? This is where concat() comes in
Плохо получается, если всю семью на своих плечах тянет один человек. Особенно всё ужасно, если этим...