Select features from attribute table and then create a new field with the selected attribute data

How do I add a new field to an attribute table?

i. In ArcMap, right-click the shapefile layer in the table of contents and click Open Attribute Table. ii. Click the Options button and click Add Field.

How do I create a new field in an attribute table in Arcgis?

No other users or applications are accessing the data including other ArcMap or ArcCatalog sessions.

1. Right-click the table or layer in the table of contents and choose Open Attribute Table.
2. Click the Table Options button.
3. Click Add Field.
4. Type the name of the field.
5. Click the Type arrow and click the field type.

How do you Select a field in an attribute table?

Double-click the field from which you want to select. Click the logical operator you want to use. Click the Get Unique Values button, then scroll to and double-click the value you want from the Unique Values list. Optionally, you can type a value directly into the text box.

How do I Select features by attribute in QGIS?

You can obtain the options for selecting by going to “View” in the menu, and then choosing the “Select” option from the drop-down menu. You can also obtain the options by selecting the “Select Features” icon on your menu.

How do you add attributes to a database?

Procedure

1. In the Database Information application, on the List tab, select the object to which you want to add an attribute.
2. On the Attributes tab, click New Row.
3. Select attribute details from the list of available attributes.
4. Save your changes.

How do you add a text field from a table?

Click to select a cell in the Table Layout area and click Table Layout > Add Element > Text Field. Right-click a cell in the Table Layout area and click Add Element > Text Field.

How do I select a field in an attribute table in ArcGIS pro?

On the Feature Layer tab set, click the Data tab, and click Fields in the Data Design group. Attribute table—From the attribute table view, click Add Field to open the Fields view with a new row ready to populate. You can also right-click any column and choose Fields, or click the menu button and click Fields.

How do you create an attribute in a table?

To create a new attribute:

1. In Configuration, click Attributes.
2. On the left, select the attribute type (Ex.
3. Right click on any of the existing attributes and select Insert Row or scroll down to the bottom of the attributes and place the cursor in the first empty field under Description.

How do I add a field to an attribute table in ArcGIS online?

Follow these steps to add a field to an attribute table using the Fields view: From the layer’s item page, click the Data tab to show the table. Click Fields.
Add fields from the Fields view

1. Date—Date and time.
2. Double—Numbers with decimal places.
3. Integer—Whole numbers from -2,147,483,648 to 2,147,483,647 (long integer).

Why can’t I add a field to attribute table ArcMap?

To resolve this issue, stop the edit session in the map document. Click the Editor button in the Editor toolbar, and select Stop Editing. The Add Field and Delete Field options are now available and can be used to add or delete fields.
 

How do I edit an attribute table?

Editing attribute values can be done by: typing the new value directly in the cell, whether the attribute table is in table or form view. Changes are hence done cell by cell, feature by feature; using the field calculator: update in a row a field that may already exist or to be created but for multiple features.

How do I add a field to an existing query?

Under Tables/Queries, click the table or query that contains the field. Under Available Fields, double-click the field to add it to the Selected Fields list. If you want to add all fields to your query, click the button with the double right arrows (>>). When you have added all the fields that you want, click Next.