amazon-redshiftHow do I add a column to an Amazon Redshift table?
Adding a column to an Amazon Redshift table can be done with the ALTER TABLE command. The following example code adds a new column to a table called users
:
ALTER TABLE users
ADD COLUMN user_name VARCHAR(50);
This code adds a new column called user_name
with a data type of VARCHAR(50) to the users
table. After running the command, the users
table will have an additional column.
Code explanation
ALTER TABLE
- Used to change the structure of an existing table.users
- The name of the table to add a column to.ADD COLUMN
- Used to add a new column to a table.user_name
- The name of the new column to add.VARCHAR(50)
- The data type of the new column.
Here are some relevant links about adding columns to Amazon Redshift tables:
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