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:
More of Amazon Redshift
- How do I use the Amazon Redshift YEAR function?
- How do I use Amazon Redshift window functions?
- How can I use Amazon Redshift UNION to combine data from multiple tables?
- How can I handle divide by zero errors when using Amazon Redshift?
- How do I use Amazon Redshift with YouTube?
- How do I set up Amazon RDS with Multi-AZ for high availability?
- How can I monitor Amazon RDS using Zabbix?
- How do I replace a table in Amazon Redshift?
- How can I use Amazon Redshift Utils to optimize my database?
- How do I use Amazon Redshift's UNLOAD command?
See more codes...