Aggregate Functions by Barry Hynum MaxQual Consulting.
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Transcript of Aggregate Functions by Barry Hynum MaxQual Consulting.
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
SQL ServerSQL Server ASP.Net (Websites)ASP.Net (Websites)
– Legacy ASP Classic & COMLegacy ASP Classic & COM PeachtreePeachtree
– To Access or SQL Server To Access or SQL Server
Access HelpAccess Help
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
Access Security FAQAccess Security FAQ