SELECT TransactionID, TransactionDate, Amount, RegionCode FROM dbo.Fact_Transactions WHERE TransactionDate >= DATEADD(DAY, -1, GETDATE()) She right‑clicked . The preview window opened— zero rows . That was odd. The OLTP database was humming with activity; the finance team swore they’d entered dozens of new transactions the previous evening.
She opened the project, glanced at the control flow, and smiled. The data flow task that pulled transactions from the OLTP database, merged them with the marketing‑campaign table, and loaded the result into the data‑warehouse had been running flawlessly for weeks. Nothing to worry about—right? ssis-308
SELECT TOP (10) * FROM dbo.Fact_Transactions WHERE TransactionDate >= DATEADD(DAY, -1, GETDATE()) The result set returned , all with RegionCode = NULL . Aha! The data existed, but the region field—critical for the downstream aggregation—was missing. The OLTP database was humming with activity; the
A quick glance at the job history, however, told a different story. Nothing to worry about—right
Chapter 1 – The Morning Alarm Emma Patel’s alarm chimed at 6:00 a.m., and she hit the snooze button with the reflex of a seasoned night‑owl. By 7:15 a.m. she was already at her standing desk, coffee in one hand and her laptop humming under the other. Today was the day the finance team would finally get their quarterly “Revenue‑by‑Region” report—automatically refreshed every night by the company’s flagship SSIS package, RevenueRollup .
