999999.9 //union//all //select //cast(0x393133353134353632312e39 as char),// cast(0x393133353134353632322e39 as char),/'/**/union/**/all/**/select/**/null, null,null,null,null,null,null,null,null--/**/fjpp/cast(0x393133353134353632332e39 as char),//cast(0x3 · whatsapp ... Change Your Life Using This Unique Dating Portal.
999999.9' union all select 999,2 and '0'='0 где купить в аптеках, Поиск и заказ лекарств в аптеках Санкт-Петербурга и Ленинградской области онлайн, бронирование и доставка лекарств.
Ref: 999999.9' union all select 99,2 and '0'='0.
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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...
The null character (also null terminator or null byte), abbreviated NUL or NULL, is a control character with the value zero. It is present in many character sets, including ISO/IEC 646 (or ASCII)...
union all select null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null
0x31303235343830303536 is NULL - they are just matching the number of columns in your existing query. 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 those columns. the real confusion is in...
Note: A NULL value is different from a zero value or a field that contains spaces.