Tags

Managing a Tag

1. On the DataArts Studio console, locate an instance and click Access. On the displayed page, locate a workspace and click DataArts Catalog.

2. Choose Data Map > Tag Management from the left navigation bar.
3. Click Create to create a tag.
   • Tag Name: Tag names can include only letters, numbers, and underscores (_). They cannot start with underscores (_) or exceed 100 characters.
   • Description: Up to 255 characters are allowed.
4. Select a tag and click Delete to delete the tag.
5. Click Edit to modify the description of a tag.

Adding a Tag to Identify Data

1. On the DataArts Studio console, locate an instance and click Access. On the displayed page, locate a workspace and click DataArts Catalog.

2. Choose Data Map > Catalog from the left navigation bar.
3. Enter a keyword in the search box, and click the search icon. The search results are listed below the search box.

4. Select the asset that you want to add a tag for and click Add Identifier in the upper right corner. In the Add Identifier dialog box, select Tags for Type.
   Figure 1 Adding an identifier
   
5. Set the parameters and click OK.
   

   You can add a new tag or select an existing tag. Existing tags are created by following instructions in Managing a Tag.

Viewing the Details of a Table

1. On the DataArts Studio console, locate an instance and click Access. On the displayed page, locate a workspace and click DataArts Catalog.

1. Choose More > DataArts Catalog in the Quick Entry column of the corresponding workspace.
2. Choose Data Map > Catalog from the left navigation bar. On the Technical Assets tab page, select a data connection and set Types to Table. Filter all tables in the data connection. For details, see Figure 2.
   Figure 2 Filtering tables
   
3. Click a table name to access its details page. See Figure 3.

   The displayed page displays permissions information, column attributes, lineage information, table profile, data preview, and change history.

   Figure 3 Table details page
   

Previewing Data

You can preview business data of a table on the Data Preview tab page. The data can be masked in real time based on the column classification information.

• Data assets that use DWS, DLI, MRS Hive, and MySQL data connections can be previewed.
• Column classification information can be automatically set when a collection task is created or manually added in the data classification menu. Automatic classification setting is available only for DWS and DLI data collections.