4 Merging Sets of Data
- Chris Welford
- Anthony George
- Fiona Sargeant (Unlicensed)
Owned by Chris Welford
By the end of this chapter you will be able to:
In this exercise, you will merge the two sets of data you just loaded into PhixFlow: the data from the file, and the data from the database.
Create a merge table
- In the model toolbar, drag the Merge Table onto your model.
- In the settings, set Name:
Customer All Details
. - Click OK to save and close the settings for the
Customer All Details
merge table. - In the model, hover your mouse pointer over the
Customer Addresses
table. - In the popup toolbar, select Connector, then click the end of the arrow onto the table
Customer All Details
. This connector will pipe data into the table. - Similarly, add a connector from the table
SOURCE_CUSTOMER_PHONE_NUMBERS
toCustomer All Details
.
Configure groupings on the pipes
- Double-click on the pipe from
Customer Addresses
toCustomer All Details
to open its settings.- In the Basic Settings section, set:
- Name: this pipe is automatically named
in
.
- Name: this pipe is automatically named
In the Sort/Group section click Show Attributes. PhixFlow displays the list of attributes (columns).
- Drag
CustomerRef
from the list into the settings. - Close the list of attributes.
- In the Basic Settings section, set:
- Double-click on the pipe from
CustomerAddresses
to
. This pipe will be calledSOURCE_CUSTOMER_PHONE_NUMBERS
in_2.
In the Sort/Group section, click Show Attributes. PhixFlow displays a list of the attributes (columns) in the
Customer Addresses
data.- Drag
CUSTOMER_REF
into the Sort/Group section. - Close the list of attributes.
- Now add attributes from
Customer Addresses
to the merge table:- Hover over
Customer Addresses
and in the popup toolbar, click Show Attributes. Drag all attributes from this list and drop them onto the table icon for
Customer All Details
.How to select all the attributes in a list
To select all attributes, you can:
- either click the first attribute then Shift+click the last attribute
- or click the check box next to the Name header.
- PhixFlow asks for confirmation. If it is not already selected, select Use original attribute name. Then click Confirm.
- Hover over
- Similarly, drag all attributes from
toSOURCE_CUSTOMER_PHONE_NUMBERS
Customer All Details.
- To see the resulting settings for
Customer All Details
, double-click its icon to open the settings tab and look at the Attributes section. You can see a list of 8 attributes (data columns).
Run analysis and view the table data
- To run analysis on your new table, hover your mouse pointer over the table
Customer All Details
, and in the popup toolbar, click Run Analysis. - To view the data you just loaded, hover over the table and click Show view. In the drop-down list, select Default View. You will see the address data you loaded from the file combined with the phone numbers you loaded from the database.