Create a Running Total in a Microsoft Access Query
Calculate a deterministic running total in Access by date and unique key, with optional partitioning by customer or account.
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Calculate a deterministic running total in Access by date and unique key, with optional partitioning by customer or account.
Return the highest-value or most recent rows for every group in Access with a correlated TOP subquery and deterministic tie handling.
Find duplicate Access records by one field or a combination of fields and review the matching rows safely.
Build a Microsoft Access crosstab query with row headings, fixed month columns, totals, date criteria, and properly declared parameters.
Calculate a person’s completed age in Microsoft Access with a query expression or reusable VBA function, including birthdays and leap-day decisions.
Use Nz, IsNull, and IIf correctly in Microsoft Access queries, forms, and reports without confusing Null with zero or an empty string.
Summarize Microsoft Access records by month or year with DateSerial, Year, Month, and aggregate functions while preserving chronological sorting.
Learn how to filter Microsoft Access records between two dates, include records that contain times, use parameters, and build reliable current-month criteria.
Last updated: August 26, 2026. The Year function returns the four-digit year component of a date. Syntax Argument Description date…
Last updated: August 26, 2026. The WeekdayName function returns the localized name of a weekday number. Syntax Argument Description weekday…