Home  >  Blog  >   Snowflake  > 

How to Add a Column in Snowflake

Adding columns in Snowflake data is very easy and it can help you track your data. This blog enables you to add new columns to your existing Snowflake tables. 

Rating: 4.6
  
 
428
  1. Share:
Snowflake Articles

While analysing and storing the data, we can insert new columns as per our needs. To add the columns, we will use the “ALTER TABLE” command. In this blog, you will learn about adding different types of columns.

Add a Column in Snowflake

In Snowflake, we will use “ALTER TABLE” to add the column.

For example, if we want to add a column “customer_id smallint” column.

alter table product1
Add customer_id smallint;
Looking forward to a career in a cloud data warehousing domain? Check out the "Snowflake Training" and get certified today

By using the “ALTER TABLE” command, we can add columns with default values:

alter table product1
add column customer_id smallint default 3;

We can add the string column with the not null constraint:

alter table product1
add type varchar(100) not null;
Preparing for Snowflake Interview? Here are Top Snowflake Interview Questions and Answers

Adding multiple columns:

alter table product1
add
Customer_id small int default 3;
type varchar(100) not null;
MindMajix Logo

Subscribe to explore the latest tech updates, career transformation tips, and much more.

Conclusion

Alter table command is used to different types of columns. We can use the command for inserting different types of columns. I hope this blog provides you with the required information about adding columns.

Snowflake Related Articles


▶  Snowflake vs Redshift
▶  Snowflake vs BigQuery
▶  Snowflake vs Databricks
▶  Snowflake vs Azure
▶  Snowflake vs Hadoop
▶  Snowflake Time Travel

Join our newsletter
inbox

Stay updated with our newsletter, packed with Tutorials, Interview Questions, How-to's, Tips & Tricks, Latest Trends & Updates, and more ➤ Straight to your inbox!

Course Schedule
NameDates
Snowflake TrainingNov 15 to Nov 30
Snowflake TrainingNov 19 to Dec 04
Snowflake TrainingNov 22 to Dec 07
Snowflake TrainingNov 26 to Dec 11
Last updated: 13 November 2022
About Author
Viswanath V S

Viswanath is a passionate content writer of Mindmajix. He has expertise in Trending Domains like Data Science, Artificial Intelligence, Machine Learning, Blockchain, etc. His articles help the learners to get insights about the Domain. You can reach him on Linkedin