Aggregate FunctionsAggregate Functions

byby

Barry HynumBarry Hynum

MaxQual ConsultingMaxQual Consulting

Shameless PlugShameless Plug

Access MDB’s or ADP’sAccess MDB’s or ADP’s– Legacy SpecialistLegacy Specialist

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– To Access or SQL Server To Access or SQL Server

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Aggregate FunctionsAggregate Functions

First & Last

Expressions

QueriesQueries

Design ViewDesign View

Design View (continued)Design View (continued)

SQL ViewSQL View

HavingHaving

Product Sales for 1997_AvgQty

After aggregation

Forms & ReportsForms & Reports

Orders Subform

Control SourceControl Source

Expression BuilderExpression Builder

““Advanced” IssuesAdvanced” Issues

Updating controls in Hdrs/FtrsUpdating controls in Hdrs/Ftrs Referring to Controls in SectionsReferring to Controls in Sections

– Rpt: Employee Sales by CountryRpt: Employee Sales by Country

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Controls vs. FieldsControls vs. Fields

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.)

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Access SecurityAccess Security

Real World MS Access Database Real World MS Access Database Protection & Security by G. Protection & Security by G. RobinsonRobinson

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