Why one tiny scalar function can turn a 1-second query into a 10-minute outage — and how to fix it without rewriting your app. A senior engineer once handed me a SQL ticket marked "P0 — production DB ...
To include aggregated values in your paginated report, you can use built-in aggregate functions in expressions. The default aggregate function for numeric fields is SUM. You can edit the expression ...
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In the world of databases, joins are the backbone of SQL queries. Joins allow us to retrieve data from two or more tables based on a related column between them, essentially knitting together ...
I realized how much easier my life would be if SQL had a mode() aggregate function. (I'm using it in the mathematical sense). I'm guessing that either I use SQL in a wierd way or there is a good ...
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