microsoft access creating queries expression exercise- criteria and calculated fields
TRANSCRIPT
Microsoft Access
Creating Queries
Expression Exercise- Criteria and Calculated Fields
Using Northwind.accdb
Orders Table
PgP MIS 202 Access Overview 2-3
1. Create Expression
Locate all Ship Names that contain a “q” anywhere in the name field
PgP MIS 202 Access Overview 2-4
Criteria
Like "*q*"
PgP MIS 202 Access Overview 2-5
2. Create Expression
Locate all Ship Postal Codes beginning with 050
PgP MIS 202 Access Overview 2-6
Criteria
Like “050*”
PgP MIS 202 Access Overview 2-7
3. Create Expression
Locate all Freight charges over $100.00, sort results in Descending Order
PgP MIS 202 Access Overview 2-8
Criteria
>100
PgP MIS 202 Access Overview 2-9
4. Create Expression
Locate all orders Shipped between 9/1/96 and 9/30/96
Sort Ascending by Shipped Date
PgP MIS 202 Access Overview 2-10
Criteria
Between #9/1/96# and #9/30/96#
PgP MIS 202 Access Overview 2-11
5. Create Expression
Number of days before today an order shipped
Sort Descending
PgP MIS 202 Access Overview 2-12
Calculated field
DaysSinceShip: Date()-[ShippedDate]
Using Northwind.accdb
Order Details table
PgP MIS 202 Access Overview 2-14
Create Expression
Locate all orders where Quantity is an odd number
Hint: search help (Find tab) for functions that contain the word “remainder”
PgP MIS 202 Access Overview 2-15
Criteria
[Quantity] mod 2 <> 0
PgP MIS 202 Access Overview 2-16
Create Calculated Field
Total discounted amount is greater than $1000.00
PgP MIS 202 Access Overview 2-17
Calculated Field
Discounted Amount: UnitPrice * Quantity * Discount
With criteria: > 1000
Using Northwind.mdb
Employees table
PgP MIS 202 Access Overview 2-19
Create Calculated Field
Determine employee seniority
PgP MIS 202 Access Overview 2-20
Calculated Field
Seniority: Date()-[hiredate] Or Years seniority: DateDiff("yyyy",
[hiredate],Date())
Microsoft Access
Form and Report Basics
Delivering the data as required-tabular, graphical…
PgP MIS 202 Access Overview 2-22
Forms
Used to maintain (add/delete/edit) the data in underlying tables
Finding data using Find dialog box Note available wildcard characters *, ?, [], !, -,#
Wizards-show typical layouts AutoFormat, to try different layouts quickly
PgP MIS 202 Access Overview 2-23
Wildcard Characters
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Forms and SubForms
Use to show data from related tables Tables have one to many relationship Example, View the many orders for one
customer Display lot of data in a small space
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Forms and SubForms
Main form can have any number of subforms if you place each subform on the main form.
Can nest up to ten levels of subforms. Could have a main form that displays customers, a subform that displays orders, and another subform that displays order details
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Form/SubForms Example
Open Northwind.accdb, Forms, ‘Customer Orders’
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Form/SubForms Example
Form contains Customers table fields: CompanyName Country
This form is linked to subForm ‘Customer Orders Subform1’
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Form/SubForms Example
Subform1 contains Orders table fields: OrderID RequiredDate
This subform is linked to subForm ‘Customer Orders Subform2’
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Form/SubForms Example
Subform2 contains OrderDetailsExtended query fields: ProductName UnitPrice Quantity Discount Extended Price (a calculated field)
Note-this query is based on the tables ‘Order Details’ and ‘Products’
PgP MIS 202 Access Overview 2-30
Form/Subform Relationships
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Reports
Typically destined for printed output Can be based on table(s) or query or SQL
statement Report Wizard can do most of the work For the finishing touches modify in Design
View
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Reports and Forms- Design View
Wizards can do most of the work, but to tailor forms/reports to what you want, you must understand how to modify them in Design View
Examine property settings-similar to Visual Basic forms and controls
PgP MIS 202 Access Overview 2-33
Report and Form Graphics
Graphics can improve appearance, but Possible performance penalty due to way
Access stores graphic images Be aware of “Image” object “SizeMode”
property settings of clip, stretch, zoom