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DBI, Placeholders, and a nested query : r perl - Reddit DBI, Placeholders, and a nested query Edit: Solution found and described below Hello all, I'm attempting to insert update into an MSSQL database The source of the data is another database Sometimes the source database has new records, and other times there are existing records So I'm attempting to do this:
[EXCEL] Placeholder text code : r vba - Reddit Unfortunately, I don't think this exact feature is possible in Excel, even through VBA You could instead use the Workbook_SheetSelectionChange event to have placeholder text appear when a cell is not selected and disappear when the cell is selected or not blank
Easy placeholders for SQL queries : r Python - Reddit The character after the at sign @ in the placeholder key is the transformation that is applied to the argument before inserting it into the placeholder (S for raw SQL, I for Identifiers and L for literals, among others)
How to use placeholders in PostgreSQL? : r PostgreSQL - Reddit How to use placeholders in PostgreSQL? In SQL systems other than Postgres, such as MySQL for instance, prepared statements can use question marks as a placeholder for data in prepared statements I am not sure how to create placeholders in Postgres
Help! Paginated report based on PowerBI dataset - Reddit I know I"m overlooking something simple so I have a simple table report - to use a power bi dataset, you copy the dax code from a simple table visual and paste into the advanced query editor in Power BI report builder Fine Works great But, I cannot add any parameters that actually work Ie: a simple list based on one of the fields in my report that just asks the user to select from a
This is how we should handle nulls in Data warehouse as per . . . - Reddit Hi everyone, I am reading this book Datawarehouse toolkit Found this interesting and important in 3rd chapter thought of sharing with you guys Handling Nulls in dimension vs Fact table in a good design TLDR: Add some meaningfull label for null in dimension table like Unknown or Not Applicable or -1 But in fact table we should be careful while adding these labels they may endup adding into
How to avoid repeating a subquery in a query? : r SQL - Reddit It should be called something like "Questions answered by more than 3 Top Users" (maybe the original query hard-coded 50k) It has the Q AnswerCount = 3 in its WHERE filter, which would presumably be the total number of answers, rather than just the answers by top users To me, this kind of problem really seems to need a GROUP BY HAVING