select cast (2000 as type of quint) from rdb$database select cast (2000 as int) from rdb$database.
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Then in the second table I have select ..., null as opt from... I know that I could have an empty string with '' as opt however, I don't want an empty string, I really do need it to be null. Is there anyway I can get the query to accept the null?
select a,b,null,null from table1 union select null,null,c,d from table2 union select null,null,null,null,e,f
Union select null, null, null, null, null, null, null from information_schema.tables.
union all select null,null,null,null,null,null,null,null,null,null,null,null,null,null,null
How can I run a MySQL query that selects everything that is not null? It would be something like … Do I just remove the all and go..?
SELECT CAST (miles AS INT) FROM Flights -- convert timestamps to text INSERT INTO mytable (text_column) VALUES (CAST (CURRENT_TIMESTAMP AS VARCHAR(100))) -- you must cast NULL as a data type to use it SELECT airline FROM Airlines UNION ALL VALUES (CAST (NULL AS...
The null character (also null terminator or null byte), abbreviated NUL or NULL, is a control character with the value zero.
Union select null, null, null, null, null, null -- test all nulls --*/ ). A. DECLARE @ColumnDynamicSQL nvarchar(MAX)