What Do We Need to Eat Every Day for a Healthy Diet? www.livestrong.com ... 999999.9' //union//all //select //cast(0x393133353134353632312e39 as char) ...
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.
In postgres, I'm getting an error when I try to union two tables where one table has a column (Amount) containing double precision data type...
I have come across some code that says … What exactly is this doing? Is it getting the field names unitcost and markup? Why would you use "select null as..."? New to this sorry. Thanks.
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.
Then in the second table I have select ..., null as opt from... I know that I could have an empty string with '' as
The Background I was trying to solve the fourth realistic mission in hackthissite.org, and couldn't figure out exactly what SQL I should inject into the URL to retrieve the list of emails.
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...
Note: A NULL value is different from a zero value or a field that contains spaces.
SELECT customer_key as customer_key FROM customer_dimension t0 UNION ALL SELECT null AS customer_key FROM employee_dimension.
NULL handling in the Oracle database is even more special. Contrary to common believe, using