In sql, data type is an attribute which is used to specify a type of data the column can hold like numeric type, character type, binary type, date and time type, etc.
Generally, we will define a column datatype while creating a table like as shown below. In sql, we have a different ways to declare a columns in table like through CREATE TABLE statement or directly creating a table in database in sql server management studio.
CREATE TABLE SampleTable
In sql server, we have a different type of data types available, those are