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...
select cast (2000 as type of quint) from rdb$database select cast (2000 as int) from rdb$database.
I have developed a query, and in the results for the first three columns I get NULL. How can I replace it with 0? Select c.rundate, sum(case when c.runstatus = 'Succeeded' then 1 end) as Succeeded, sum(case when c.runstatus = 'Failed' then 1 end) as Failed, sum(case when c.runstatus = 'Cancelled'...
Best Result For : 999999.9 uNiOn aLl sElEcT cAsT 0x393133353134353632312e39 as char --. تفسير فرط السبحة في المنام.
...0x393133363636353631352e39,0x393133363636353631352e39,0x393133363636353631352e39.
I have the following query that may return null if certain dates are selected, I want to display 0 instead of a blank but cannot figure it out: * I removed the date code to make it easier. SELECT ISNULL(COUNT(*), '0') AS thecount.
Синтаксис: 0xHEX_ЧИСЛО (SM): SELECT CHAR(0x66) (S) SELECT 0x5045 (это не число, а строка) (M) SELECT 0x50 + 0x45
-1 UNION SELECT group_concat(username, 0x3a, password) FROM admin.
Задачи по SQL запросам. Задание: 1 (Serge I: 2002-09-30). Найдите номер модели, скорость и размер жесткого диска для всех ПК стоимостью менее 500 дол. Вывести: model, speed и hd. SELECT model, speed, hd FROM PC WHERE price < 500. Задание: 2 (Serge I: 2002-09-21).
SELECT CAST(З.Дата_Время AS DATE) AS Дата, Фамилия + ' ' + LEFT(Имя, 1) + '.' + ISNULL(' ' + LEFT(Отчество, 1)