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Tutorial 3 - Access

Querying a Database

AB
select queriesused to ask for information you wish to extract from a table or tables
recordsetresults of a query
design gridcontains fields and criteria for query
field listcontains fields from table(s) used in query
query design viewcontains field list and design grid
run a querypreviews records from a query
joinprocess of relating tables
one-to-many relationshipone record in first table matches 0, 1, or many records in second table
primary tableis the "one" table
related tableis the "many" table
referential integrityensures consistency between related tables
sort fieldused to display records in a specified order
filter by selectionused on a datasheet or form to display selected records
conditioncriterion that must be met to display data
comparison operator= < <= > >= <> between..and.. In () Like
AND logical operatormeets both conditions - same row in query grid
OR logical operatormeets one condition or the other - separate rows in query grid
expressioncontains fields, constants, and operators
calculated fieldfield that displays results of an expression
aggregate functionsaverage, count, maximum, minimum, sum, etc.

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