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.
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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.
Union select null, null, null, null, null, null, null from information_schema.tables.
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I need results to be shown in one row instead of few. Query: … I suppose I need to get rid somehow of few things in GROUP BY however I don't really have an idea how to change...
UNION ALL Syntax. The UNION operator selects only distinct values by default. To allow duplicate values, use UNION ALL: SELECT column_name(s) FROM table1 UNION ALL SELECT
I need results to be shown in one row instead of few. Query: … I suppose I need to get rid somehow of few things in GROUP BY however I don't really have an idea how to change the query itself to make...
9. Оператор UNION С оператором UNION можно делать запросы к пересечению таблиц. В основном, вы можете отправить запрос, возвращающий значение из другой таблицы. Пример: SELECT header, txt FROM news UNION ALL SELECT name, pass...
union all select null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null