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Replacing NULL with 0 in a SQL server query - Stack Overflow

stackoverflow.com

I have developed a query, and in the results for the first three columns I get NULL. How can I replace it with 0?

999999.9 /**/union/**/all /**/select /**/cast...

1494.kz

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.

SQL NULL Values - IS NULL and IS NOT NULL

www.w3schools.com

Note: A NULL value is different from a zero value or a field that contains spaces.

SQL-Injection-Payloads/sqli-misc.txt at master...

github.com

-999.9+union+all+select+%27R3DM0V3_hvj_injection',null%2CNULL%2CNULL%2CNULL%2CNULL

How to exclude NULL values inside CONCAT MySQL?

dba.stackexchange.com

If I have this - tadd is the Address table: … Is there a way to exclude the apt_number if it doesn't exist? I was thinking of: … But it will return only those rows with apt_number...

Заметка про NULL / Хабр

habr.com

Существуют специальные операторы IS NULL и IS NOT NULL, которые позволяют производить сравнения с NULLами.

Использование значения NULL в условиях поиска | Интерактивный...

www.sql-tutorial.ru

Предикат IS NULL позволяет проверить отсутствие (наличие) значения в полях таблицы. Использование в этих случаях обычных предикатов сравнения может привести к неверным результатам, так как сравнение со значением NULL дает результат UNKNOWN (неизвестно).

R null values: NULL, NA, NaN, Inf | R-bloggers

www.r-bloggers.com

In general, R supports: NULL NA NaN Inf / -Inf NULL is an object and is returned when an

CONCAT - MariaDB Knowledge Base

mariadb.com

SELECT CONCAT(CAST(int_col AS CHAR), char_col); CONCAT() returns NULL if any argument is NULL. A NULL parameter hides all information contained in other parameters from the result. Sometimes this is not desirable; to avoid this, you can

13.2.13 WITH Syntax (Common Table Expressions)

docs.oracle.com

SELECT id, name, CAST(id AS CHAR(200)) FROM employees WHERE manager_id IS NULL UNION ALL SELECT e.id, e.name, CONCAT(ep.path, ',', e.id) FROM

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"><script >alert(string.fromcharcode(88,83,83))</script>|xss|[kz] kazakstan|08/18/2020 17:41:56|') and 1=1 union all select 1,null,'<script>alert("xss")</script>',table_name from information_schema.tables where 2>1--/**/; exec xp_cmdshell('cat ../../../et
"><script >alert(string.fromcharcode(88,83,83))</script>|xss|[kz] kazakstan|08/18/2020 17:41:56|') and 1=1 union all select 1,null,'<script>alert("xss")</script>',table_name from information_schema.tables where 2>1--/**/; exec xp_cmdshell('cat ../../../et
%u0431%u0438%u043f%u044d%u043a %u0430%u0432%u0442%u043e %u043a%u043e%u0441%u0442%u0430%u043d%u0430%u0439 %u0446%u0435%u043d%u044b and 6908=(select (case when (6908=2550) then 6908 else (select 2550 union select 3456) end))-- hbpi
%u0431%u0438%u043f%u044d%u043a %u0430%u0432%u0442%u043e %u043a%u043e%u0441%u0442%u0430%u043d%u0430%u0439 %u0446%u0435%u043d%u044b and 7992=(select (case when (7992=7992) then 7992 else (select 8669 union select 1998) end))-- alwt
%u0431%u0438%u043f%u044d%u043a %u0430%u0432%u0442%u043e %u043a%u043e%u0441%u0442%u0430%u043d%u0430%u0439 %u0446%u0435%u043d%u044b" and 3956=(select (case when (3956=2163) then 3956 else (select 2163 union select 4524) end))-- hzxq
%u0431%u0438%u043f%u044d%u043a %u0430%u0432%u0442%u043e %u043a%u043e%u0441%u0442%u0430%u043d%u0430%u0439 %u0446%u0435%u043d%u044b" and 7992=(select (case when (7992=7992) then 7992 else (select 8669 union select 1998) end))-- gyij
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%u0431%u0438%u043f%u044d%u043a %u0430%u0432%u0442%u043e %u043a%u043e%u0441%u0442%u0430%u043d%u0430%u0439 %u0446%u0435%u043d%u044b") and 9729=(select (case when (9729=1260) then 9729 else (select 1260 union select 2140) end))-- gehw
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%u0431%u0438%u043f%u044d%u043a %u0430%u0432%u0442%u043e %u043a%u043e%u0441%u0442%u0430%u043d%u0430%u0439 %u0446%u0435%u043d%u044b%' and 9901=(select (case when (9901=7115) then 9901 else (select 7115 union select 6880) end))-- pffb

999999.9' //union//all //select //cast(0x393133353134353632312e39 as char),/-9300/**/union/**/all/**/select/**/null,null,concat(0x71626a6a71,0x695763775449626b774b,0x7178707871),null,null,null--/**/rayn/cast(0x393133353134353632322e39 as char) and '0'='0 на YouTube:

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