Web Workshop: CSS Objectives: - “What is CSS?” - Structure of CSS - How to use CSS in your webpage.
CSS/417
description
Transcript of CSS/417
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Relating Tables - p. 74 Command sequence - Tools, Relationships Parent table - table used as the main table
for a relationship Child table - the related table, often has
several records for each record in the parent table
Relationships for tables in the Membership database (Table 3.1)
Parent/Child table relationships (Table 3.2)
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Referential Integrity - p. 74 Orphan record - a child record
without a corresponding parent record
Referential integrity - makes certain that related records are present
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Table Links - p. 75 Permanent link - established using
the Relationships command is always in effect once defined
Transient link - defined using the query-by-example feature of Access
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Subdatasheets Automatically created when a
relationship between tables is created Indicated by a column of plus signs
(+) Click a plus sign to see the related
records for the record containing the plus sign
Click the minus sign to close the display of the related records
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Controlling Data Entry and Display
Field Properties box of a field Format - can be used to control how dates
display Input Mask - can be used to control how you
enter data (Table 3.4) Default Value - can be used to specify the
automatic contents of a field Validation Rule/Validation Text
Validation Rule - expression that is used to evaluate data entered
Validation Text - text that appears in an alert box if the data entered does not meet the validation rule requirements
These two fields are typically used together
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Replace - p. 92 Replacing Text In A Table
Accomplished using the Replace in field dialog box
Accessed using the Edit, Replace command sequence
Access does not display a record before the contents of a field are altered
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Deleting Records - p. 92 Commands
Edit, Delete Del key Delete toolbar button Timely Tip on p. 92
Access displays the prompt shown in Figure 3.29 for verification
Deleted records cannot be restored to the data table
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Creating Reports - p. 94 Report template - contains the report
format, headings, and fields to be included in a report
Building a Report by Using a Report Wizard Use the Report tab of the database
window Report Wizard - a series of dialog boxes
that steps you through the process of building a report
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Report Design Window Menu Bar and Toolbar Rulers - vertical
and horizontal Report Layout (Figure 3.38) Toolbox (Table 3.5) Field List Box - Figure 3.40 - used for
adding fields to a report template Properties Sheet or Section Detail Sheet -
controls the appearance of a report object
Scroll Bars
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Redesigning a Report Able to move field and title boxes
around the design template via a drag operation
Able to resize the report bands using selection handles
Able to add additional titles Able to align text as well as change
the font and size of type used
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Definitions - p. 120 Query - a set of instructions that
specifies how Access should organize or change your data
Query Wizards - dialog boxes that step you through the query development process
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Dynasets
Dynaset - contains the results of a query in a window
Can be used like a regular table Most useful when you work with fields from
several tables Any changes that are made to a dynaset
field are also made to the original record If you save a dynaset as a table, any
changes that you make to it are not automatically reflected in the tables that were originally used as input
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Creating a Query Activate the Queries tab of the
Database window Click the New button Select the type of query Interact with the dialog boxes
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Query Design Window - p. 124
QBE grid - controls which fields appear in the dynaset
Parts of the grid Field - contains the name of the field Table - contains the field’s table name Sort - controls the order of displayed data Show - displays a field in the dynaset Criteria - enter a relationship condition to
display selected records - Table 4.1 and Table 4.2, 4.4
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Query Calculations - p. 130 Able to embed calculations in a
query SQL aggregate functions (Table 4.5) Activated by clicking the Total
toolbar button Adds a Total line to the QBE query
grid
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Joining Tables Tables can be joined for
performing a query Tables being joined must have a
common field (a field with the same values from table to table)
Linking performed via a drag operation
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Forms - p. 141 Form - provides for customized
data entry instead of using the datasheet window
Found on the Forms tab of the database window
Form Wizards - a series of dialog boxes prompting you about your form requirements
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Conditional Formatting Format, Conditional Formatting
commands Can be used for forms or reports
Examines the contents of a field Based upon field’s contents able to
specify: Font/Font size/Font color Background color Text attributes (boldface, underline, italics)
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Calculations in a Form A text box must be created to hold
the calculated field The calculation itself is specified
using that field’s Properties box Get to Data tab Enter formula in the Control Source text
box Can be built using the Expression Builder