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.
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;
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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;
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Adding multiple columns:
alter table product1 add Customer_id small int default 3; type varchar(100) not null;
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.
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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
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