SQL - How to Add/Remove columns using Alter query
SQL - How to Add/Remove columns using Alter query
sql alter table add column
drop column sql
How to add column in sql using alter query
How to remove column in sql using alter query
Alter sql query is used to add new columns, delete columns in table. we can use alter command easily to add, remove columns.
the syntax is
to add a new column to table
alter table table-name add col-name datatype constrain
the constrain may be NULL, NOT NULL, Unique, etc...
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