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Aggregate Functions

Aggregate Functions. by Barry Hynum MaxQual Consulting. Shameless Plug. Access MDB’s or ADP’s Legacy Specialist SQL Server ASP.Net (Websites) Legacy ASP Classic & COM Peachtree To Access or SQL Server . Access Help. Aggregate Functions. First & Last Expressions. Queries.

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Aggregate Functions

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  1. Aggregate Functions by Barry Hynum MaxQual Consulting

  2. Shameless Plug • Access MDB’s or ADP’s • Legacy Specialist • SQL Server • ASP.Net (Websites) • Legacy ASP Classic & COM • Peachtree • To Access or SQL Server

  3. Access Help

  4. Aggregate Functions First & Last Expressions

  5. Queries

  6. Design View

  7. Design View (continued)

  8. SQL View

  9. Having After aggregation Product Sales for 1997_AvgQty

  10. Forms & Reports Orders Subform

  11. Control Source

  12. Expression Builder

  13. “Advanced” Issues • Updating controls in Hdrs/Ftrs • Referring to Controls in Sections • Rpt: Employee Sales by Country

  14. 3 2 1 5 4

  15. Controls vs. Fields 1 2 3 To clarify, ALWAYS use a naming convention for control names, i.e. txtGrandTotal. Aggregate functions work on Fields, not Controls. (Hint: They are called SQL Aggregate Functions.) 4 5

  16. Access Security • Real World MS Access Database Protection & Security by G. Robinson • Access Security FAQ

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