How to use SQL Hints within CTE/subquery How to use switch statement in Stored procedure in sql server 2005 How to use temporary table in WHERE clause? how to use use coalesce with 0 How to use WITH (NOLOCK) command when querying remote sql server without having linked server how to use...
Learn how to use a common table expression or CTE in SQL, and read how recursive CTEs turn impossible Postgres queries into possible.
Used car dealership refused to let me use my OBDII on their car, is this a red flag? Does copying files from one drive to another also copy previously deleted data from the drive one? How similar were the MC6800 and MOS 6502? Can one freely add content to a ...
However, you will have to use CTE (common table expression) to get count of days and then use it compute value of ActiveStatus column. Try using below code: ; WITH CTE1 AS( SELECT D.DRIVERID, COUNT(DISTINCT O.DROPDATE) AS DayCount FROM DRIVER AS D LEFT JOIN ORDER AS O ON D.DRIV...
COALESCE is one of the tools you have in SQL Server to work with NULL values. It may not be the first one you think of, but it can be a very good choice. In this tip I will provide examples of how you can use COALESCE to peacefully coexist with NULL values. ...
If you're using SQL Server 2017 or higher, you can use the STRING_AGG function to concatenate values within a group. You can then use a CTE to fetch the Features list separately to simplify the query then join that back to your data to get the desired row plus...
Always print a report in Landscape/Portrait An attempt has been made to use a data extension that is either not registered for this report server or is not supported in this edition of reporting services. An attempt was made to set a dataset parameter that is not defined in this data...
How can I effectively use IF in this function? CREATE OR REPLACE FUNCTION public.get_something(myTextFlag VARCHAR(20)) RETURNS TABLE ( rNum BIGINT, Colmn1 Text ) AS $body$ IF (myTextFlag = 'FirstPart') THEN WITH recursive cte_1 AS ( code with table 1 and 2 and cte_1 ) Select ...
basically insert blocks of data which would be roughly equal to 500 rows per second (which is not a vast amount - but it creates significant overhead doing it in a singular loop), the postgresql peeps have told me to use batch inserts, I just cannot seem to see how to get them to ...
Always print a report in Landscape/Portrait An attempt has been made to use a data extension that is either not registered for this report server or is not supported in this edition of reporting services. An attempt was made to set a dataset...