SAS Data Integration Studio 3.3- P28 docx

130 Set Delimiters and Parameters Chapter 8 Set Delimiters and Parameters Follow these steps to set delimiters and parameters for the external file: 1 Deselect the Blank check box in the Delimiters group box. Then, select the Comma check box, as shown in the following display. This step is necessary because the Blank check box is selected by default. However, the employeeFlatFile.csv file is comma-delimited. This change ensures that the wizard parameters match the incoming data. Display 8.9 Delimiters and Parameters Window 2 Accept the remaining defaults and click Next. The Column Definitions window displays. Registering Data Sources Define the Columns for the External File Metadata 131 Define the Columns for the External File Metadata Follow these steps to create column definitions for the external file: 1 Click Refresh to view the data from employeeFlatFile.csv on the File tab in the view pane at the bottom of the window, as shown in the following display. Display 8.10 Delimited Data in the Column Definitions Window 132 Define the Columns for the External File Metadata Chapter 8 2 The next step populates preliminary data into the columns component of the Columns Definitions window. To begin, click Auto Fill . The Auto Fill Columns window displays, as shown in the following display. Display 8.11 Auto Fill Columns Window 3 Change the value that was entered in the Start record field in the Guessing records group box to 2. This setting ensures that the guessing algorithm begins with the second data record in the external file. The first data record in the file is unique because it holds the column names for the file. Thus, all data that it contains uses the character data type. The other rows in the file begin with a character-based name, but the remaining values are numeric. Therefore, excluding the first data from the guessing process yields more accurate preliminary data. 4 Accept all of the remaining default settings. Then, click OK to return to the Column Definitions window. Registering Data Sources Define the Columns for the External File Metadata 133 5 Use the Import function to simplify the task of entering column names. After you use the Auto Fill function to fill in the preliminary data, click Import. The Import Column Definitions window displays, as shown below. Display 8.12 Import Column Definitions Window 6 Select the Get the column names from column headings in this file radio button and keep the default settings for the fields underneath it. Click OK to save the settings and return to the Column Definitions window. The names from the first record in the external file are populated in the Name column. You now can edit them as needed. The preliminary metadata is shown in the following display. Note: If you use the get column names from column headings function, the value in the Starting record field on the Data tab in the view pane in the Column Definitions window is automatically changed. The new value is 1 greater than the value in the The column headings are in file record field in the Import Column Definitions window. 134 Define the Columns for the External File Metadata Chapter 8 Display 8.13 Preliminary Column Metadata The columns component at the top of the window is populated with preliminary metadata. 7 The preliminary metadata that is populated into the columns component typically includes column names and descriptions that are too generic to be useful for SAS Data Integration Studio jobs. Fortunately, you can modify the columns component by clicking in the cells that you need to change and entering the correct data. Enter the values that are in the following table into the component: Name Description Length Type Informat Format Name Name 8 Char. $15. $15. DOB Date of birth 8 Num. 6. 6. State State 20 Char. $20. $20. City City 20 Char. $20. $20. Relation Relation ship to employee 20 Char. $20. $20. Age Age 8 Num. 3. 3. You need to change only a few values. First, use the values that are shown in the first record of the data that is shown in the view pane at the bottom of the Column Definitions window as a guide when you fill in the values for the Name column in the column component section of the screen. These values served as the column names in the employeeFlatFile.csv external file. Also, the Informat and Format columns for the numeric values are based on the values included in the . window. 134 Define the Columns for the External File Metadata Chapter 8 Display 8. 13 Preliminary Column Metadata The columns component at the top of the window is populated with preliminary metadata. 7. preliminary metadata that is populated into the columns component typically includes column names and descriptions that are too generic to be useful for SAS Data Integration Studio jobs. Fortunately,. for the External File Metadata 133 5 Use the Import function to simplify the task of entering column names. After you use the Auto Fill function to fill in the preliminary data, click Import. The