Web14 de out. de 2024 · SQL get rows returns no rows on select * from on premises database 10-14-2024 08:40 AM Again I get a peculiar behaviour from SQL Get rows on an on premises database. This time I'm trying to … Web4 de out. de 2013 · cubmar Jun 13 2008 — edited Oct 4 2013. Hi. How can change my SQL to return a default value if no rows are found? Eg: select text from text_file where criteria=met. If no rows are found, I would like text to contain '**Empty' for example. Thanks. Locked due to inactivity on Nov 1 2013. Added on Jun 13 2008.
PHP: mysql_num_rows - Manual
Web24 de nov. de 2024 · Hi . The nb_line variable can be only used after the tDBInput component execution. In this case, run the query two times, the first tDBInput is used to check if there has rows returned or not, if no rows returned, output a customized messages, otherwise, run the same query for the second time, read the data from DB … Web16 de abr. de 2024 · If the inner query has a matching row, then 1 is returned. The outer query (with ISNULL) then returns this value of 1. If the inner query has no matching row, … how many people itemize taxes
NVL to return 0 even if no rows - Oracle Forums
Web13 de jul. de 2013 · I'm unable to use ISNULL or COALEASE functions since no rows are being returned at all. AS. Edited by ADS97_ Tuesday, July 2, 2013 6:48 PM; Tuesday, July 2, 2013 6:47 PM. Answers text/html 7/2/2013 7:04:30 PM Naomi N 0. 0. Sign in to vote. If you expect your result to be just a few rows, you can. Web5 de abr. de 2024 · Over Filtering. The second most common issue that produces 0 rows returned is that the query is filtering out too much data in the WHERE or HAVING statement. To see if the WHERE or HAVING clause is too restrictive simply remove it from the query to see if any rows are returned. If rows are returned the problem is likely in … Web16 de abr. de 2024 · 0. The reason COALESCE does not work in your example is that there are no rows to apply that function to. As @Akina suggest in his comment, you can solve it by using your query as a sub-query. Another alternative is to add a row with 0 as duration (assuming positive durations) and then pick the largest duration: SELECT MAX … how many people joined roblox