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SQL-запросы. Условный оператор CASE...WHEN...THEN

ida-freewares.ru

Примечание: Кстати, стоит знать, что обычно этот оператор можно применять не только в select, но и в любом месте, где можно использовать поля. Например, при join таблиц или же даже фильтрации (having) при группировке (group by). Условный оператор CASE...WHEN...THEN.

sql server - Case with multiple conditions - Database Administrators...

dba.stackexchange.com

,CASE i.DocValue WHEN 'F2' AND c.CondCode IN ('ZPR0','ZT10','Z305') THEN c.CondVal ELSE 0 END as Value. why it is not working and what is recommended way to do this ? There will be next several WHEN conditions.

SQL Language--SELECT CASE WHEN THEN

programmer.group

strSQL := "select count(group_id),max(peak)," strSQL += "ifnull(sum(case when blackhole=1 then 1 else 0 end),0) blackhole," strSQL += "ifnull(sum(case when exceeded=1 then 1 else 0 end),0) exceeded " strSQL += "from tp_attack_record where " for _,groupid := range.

SQL Server CASE Statement and CASE WHEN Examples

www.sqlservercurry.com

Note: In this syntax, after the CASE keyword there is no Expression or Column Name. We directly have a When clause. The When clause will have a Boolean condition in which the column name or expression will be included.

sql - Как отфильтровать данные оператора CASE WHEN...

question-it.com

SELECT CASE WHEN Number like '20%' THEN 'X' WHEN Number like '15%' or Number like '16%' THEN 'Y' ELSE 'Z' END Operation ,* FROM TableA where Operation like 'X'. Я назвал условие CASE WHEN как «Операция», и теперь я хочу видеть только операцию «Х» в столбце «Операция».

PostgreSQL - CASE Statement - GeeksforGeeks

www.geeksforgeeks.org

Here we will create a new function named get_price_segment that accepts p_film_id as the argument. Based on the rental rate of the film, it returns the price segment: mass, mainstream, high end. In case the price is not 0.99, 2.99 or 4.99, the function returns unspecified.

Оператор CASE | Интерактивный учебник по SQL | SQL-tutorial.ru

www.sql-tutorial.ru

Оператор CASE в зависимости от указанных условий возвращает одно из множества возможных значений.

How to Write a CASE Statement in SQL | LearnSQL.com

learnsql.com

SELECT name, result, CASE WHEN result < 40 THEN 'bad result' WHEN result > 70 THEN 'good result' ELSE 'average result' END AS category FROM exam

SQL CASE | Intermediate SQL - Mode

mode.com

WHEN weight > 175 THEN '176-200'. ELSE '175 or under' END AS weight_group FROM benn.college_football_players.

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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
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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 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

-1476' or 2794=(select (case when (2794=7110) then 2794 else (select 7110 union select 6508) end))-- iroz на YouTube:

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