How many data types are there in SQL?

What is SQL and its data types?

SQL Data Type is an attribute that specifies the type of data of any object. Each column, variable and expression has a related data type in SQL. You can use these data types while creating your tables. You can choose a data type for a table column based on your requirement.

What are the four data types in SQL?

SQL Data TypesNumeric data types such as int, tinyint, bigint, float, real, etc.Date and Time data types such as Date, Time, Datetime, etc.Character and String data types such as char, varchar, text, etc.Unicode character string data types, for example nchar, nvarchar, ntext, etc.

How many data types are there?

Most modern computer languages recognize five basic categories of data types: Integral, Floating Point, Character, Character String, and composite types, with various specific subtypes defined within each broad category.

What are the 3 types of data types?

There are Three Types of DataShort-term data. This is typically transactional data. ... Long-term data. One of the best examples of this type of data is certification or accreditation data. ... Useless data. Alas, too much of our databases are filled with truly useless data.