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...
select a,b,null,null from table1 union select null,null,c,d from table2 union select null,null,null,null,e,f from table3.
Yes! I found the error! It's right after the word "find" and before "1"...
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Плохо получается, если всю семью на своих плечах тянет один человек. Особенно всё ужасно, если этим...
I can tell because of the zero at the end of the dumber that means it can at least be divisible by 5, 10, and 2…. If these are all supposed to be separate
Anonymous May 4, 2013 at 12:31 PM. Please give the solutionof modular program to read n numbers and find divisors of each of them.
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In SQL Null is both a value as well as a keyword. Let's look into NULL value first -. Null as a Value. In simple terms, NULL is simply a place holder for data that does not exist. When performing insert operations on tables, they will be times when some field values will not be available.