Go to 'Custom Columns' in a Dataset and add a new entry with a SQL expression like IF(1=1,1,0) Add this new custom column as a filter to the a dashboard and load it See error: "Cannot load filter" ...
It is not uncommon that a single SQL statement such as a SELECT statement includes sub-SQL SELECT statements, or sub-queries, that generate a sub-result set within the top-level statement. If these ...
EXEC(CONCAT(CAST(N'ALTER TABLE [Table] ADD [Field] AS CASE WHEN MarketTypeId = ''0a5360e6-54cb-405a-adc7-5354e384532d'' THEN LEFT(Code, 10)' AS nvarchar(max)), nchar ...
After a notable obsession with yellow houses, historic homes, and glossy magazines as a child that lead to a degree in American Studies from Sewanee: University of the South followed by a jaunt ...
In the beginning, there were files. Later there were navigational databases based on structured files. Then there were IMS and CODASYL, and around 40 years ago we had some of the first relational ...
One of the most fascinating features of SQL is its ability to execute recursive queries. Like sub-queries, recursive queries save us from the pain of writing complex SQL statements. In most of the ...
Common Table expressions or CTE helps in making complex sql statements easier to understand and maintainable. It is very difficult to read or write a complex Sql query using number of joins. While ...
Abstract: We present a custom, Boolean query generator utilizing common-table expressions (CTEs) that is capable of scaling with big datasets. The generator maps user-defined Boolean queries, such as ...
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