How do I use a variable from a for loop in my sql query Jan Verbaeten January 26, 2020 10:22AM Sorry, you can't reply to this topic. It has been closed.Content reproduced on this site is the property of the respective copyright holders. It is not reviewed in advance by Oracle ...
In PostgreSQL, the loops are used to run a single query multiple times with the given range that refers to their starting and ending point. The loop is given an ending point called condition and only runs the statements until it reaches that point. However, sometimes the user needs to stop...
what i'd like to do is limit the loop to 10 results, and the reason i'm not using LIMIT in my mysql query, is because i need to get both all the results, as well as reduce the results in my loop. if i were to use LIMIT in my mysql query then i'd need to query the data...
"Object is currently in use elsewhere" error for picturebox "Parameter is not valid" - new Bitmap() "Recursive write lock acquisitions not allowed in this mode.? "Settings" in DLL project properties and app.config file "The function evaluation requires all threads to run" while accessing...
which will only give you the information you actually stored. Without the AVG function, you would have to query the database in a programming language and loop the results to generate an average of a column. But fortunately, you don’t. Let’s get more familiar with the SQL AVG function...
But when I set the data source to SQLCommand and try to parse the query with the variable in it, it doesn't work... So... how can I refer to a variable from within this SQL Statement to get the current data I need out of the table, as I loop through? I...
We use aCURSORto handle the result set in a stored procedure. It lets us loop through a set of records (rows) returned by a query and process every row individually. One must have the following properties ofCURSORwhile using it.
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But I think it is time to go level up and use SQL query. Personally it helped me with big and heavy Excel files, which struggles even with such simple task as opening. I’m not even mentioning here any kind of loop on such data (oops, I just did…). ...
From the above query example, we can see the cursor.rowcount always returns -1. So we can execute the SQL statement select count(*) from ' + table_name + ' where id > 2 to get the query result row count. dml_query = 'select count(*) from ' + table_name + ' where id > 2'...