What is the datatype of ID in SQL?

What data type is an ID?

Text Data Types

Data Type Data Value
NTEXT Up to 4000 bytes per line in UTF-8 character encoding. This data type is equivalent to the NCHAR and NVARCHAR2 data types in the database.
ID Up to 8 characters per line in the database character set

What are data types in SQL?

Data types in SQL Server are organized into the following categories:

  • Exact numerics. Unicode character strings.
  • Approximate numerics. Binary strings.
  • Date and time. Other data types.
  • Character strings.
  • bigint. numeric.
  • bit. smallint.
  • decimal. smallmoney.
  • int. tinyint.

What are the 5 data types?

Data types

  • String (or str or text). Used for a combination of any characters that appear on a keyboard, such as letters, numbers and symbols.
  • Character (or char). Used for single letters.
  • Integer (or int). Used for whole numbers.
  • Float (or Real). …
  • Boolean (or bool).

What is ID number?

The identity number is printed on all of your national identification documents, such as your ID-card, passport, residents permit etc. It is usually either next to or below your name or your birth date. Look for a number with 11 digits containing your birthday in a year-month-date or date-month-year format.

What data type is price in SQL?

The best type for price column should be DECIMAL. The type DECIMAL stores the value precisely. For Example – DECIMAL(10,2) can be used to store price value. It means the total digit will be 10 and two digits will be after decimal point.


What data type is year in SQL?

SQL Date and Time Data Types

Datatype Description
TIMESTAMP Stores number of seconds passed since the Unix epoch (‘1970-01-01 00:00:00’ UTC)
YEAR Stores year in 2 digits or 4 digit format. Range 1901 to 2155 in 4-digit format. Range 70 to 69, representing 1970 to 2069.

What are the types of data type?

data type

Data Type Used for Example
Integer Whole numbers 7, 12, 999
Float (floating point) Number with a decimal point 3.15, 9.06, 00.13
Character Encoding text numerically 97 (in ASCII, 97 is a lower case ‘a’)
Boolean Representing logical values TRUE, FALSE

What are the 4 types of data?

4 Types of Data: Nominal, Ordinal, Discrete, Continuous

  • Nominal.
  • Ordinal.

What is data type example?

This data comes in different forms. Examples include: your name – a string of characters.


Data Type Represents Examples
floating point (real) fractional numbers -87.5 , 0.0 , 3.14159
string A sequence of characters “Hello world!”
Boolean logical true or false true , false
nothing no data null
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