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.
select cast (2000 as type of quint) from rdb$database select cast (2000 as int) from rdb$database. If TYPE OF is used with a (VAR)CHAR type, its character.
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...
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.
Note: A NULL value is different from a zero value or a field that contains spaces.
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union all select null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null
SELECT header, txt FROM news UNION ALL SELECT name, pass FROM members This will combine results from both news table and members table and return all
Each SELECT statement within the UNION ALL must have the same number of fields in the result sets with similar data types.
I am using union all to join two result set together, e.g. select product, product_id, sales_qty from table_a union all