How do I add a column to an existing table in Teradata?

How do I add a column to an existing table in Teradata?

The ADD function has options for the new column name, data type, the size and the scale of the new type, whether or not the new column should allow null values, and whether or not the new column has a default value associated with it. Syntax: ALTER TABLE tbl_name ADD column_name datatype.

How do I add a column to a default table in SQL?

MS SQL Server – How to insert a column with default value to an existing table?

1. ALTER TABLE table_name ADD column_name tada_type NOT NULL CONSTRAINT constraint_name DEFAULT default_value;
2. ALTER TABLE table_name ADD column_name data_type NULL CONSTRAINT constraint_name DEFAULT default_value WITH VALUES;

How do you change the columns in a Teradata table?

Procedure to Change Column Data Types

1. Create a new table with a different name that contains the changed data type attributes.
2. Populate the new table using an INSERT … SELECT request.
3. Catalog the privileges of the old table before step 4. Use the following syntax.

How do I change the view in Teradata?

A current view can be modified using the REPLACE VIEW statement. REPLACE VIEW redefines an existing view or, if the specified view does not exist, it creates a new view with the specified name. Following is the syntax to modify a view. The following example modifies the view Employee_View for adding additional columns.

How do I make two columns in Teradata?

Teradata syntax: ALTER TABLE [table name] ADD column1 datatype1 …, ADD column2 datatype2 …, ADD columnN datatypeN Notice, that Teradata SQL syntax does not use parenthesis and requires “ADD” for every column being added.

How do you add a column by default value?

In Object Explorer, right-click the table with columns for which you want to change the scale and click Design. Select the column for which you want to specify a default value. In the Column Properties tab, enter the new default value in the Default Value or Binding property.