What is the data type for contact number in SQL?

What type of data is phone number?

Numerical Value

Categorical data can take values like identification number, postal code, phone number, etc.

How do you give a phone number in SQL?

Mysql Phone Number Format

  1. Understand with Example. …
  2. Query to create table named Phoneno_format: mysql> create table Phoneno_format(name varchar(30),phone_no varchar(30)); Query OK, 0 rows affected (0.13 sec)
  3. Query to insert data in table Phoneno_format: …
  4. Query to view data inserted in table Phoneno_format:

What is the data type for number in SQL Server?

Data types in MsSQL Server

Data type Length Description
tinyint 1 Integer from 0 to 255
bit 1 bit Integer 0 or 1.
decimal(precision, scale) 5-17 Numeric data type with fixed precision and scale (accuracy 1-38, 18 by default and scale 0-p, 0 by default).
numeric 5-17 The same as decimal data type.

Is number a data type in SQL?

In SQL, numbers are defined as either exact or approximate. The exact numeric data types are SMALLINT , INTEGER , BIGINT , NUMERIC(p,s) , and DECIMAL(p,s) . … The approximate numeric data types are FLOAT(p) , REAL , and DOUBLE PRECISION .

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Is a phone number an integer?

Mobile phone numbers are not stored as integers, as the integer data type holds values that have the potential to be used in calculations. There is no context for using a mobile phone number as part of a calculation, so it is stored as a STRING value.

Is a phone number quantitative?

Data values can be numbers, referred to as quantitative data. … Data values can be numbers which act as names instead of numbers (such as phone numbers with dashes: 300-453-1111), making them qualitative data.

What are the SQL data types?

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 data type should be used for the telephone field and why?

Telephone numbers need to be stored as a text/string data type because they often begin with a 0 and if they were stored as an integer then the leading zero would be discounted.

What is date data type in SQL?

SQL Server comes with the following data types for storing a date or a date/time value in the database: DATE – format YYYY-MM-DD. DATETIME – format: YYYY-MM-DD HH:MI:SS. SMALLDATETIME – format: YYYY-MM-DD HH:MI:SS. TIMESTAMP – format: a unique number.

What is string type in SQL?

In sql, string data types are used to store any kind of data in the table. In string data types, we have an option to allow users to store either the fixed length of characters or huge length data based on their requirements.

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What are the 5 types of data?

Common data types include:

  • Integer.
  • Floating-point number.
  • Character.
  • String.
  • Boolean.

What are database data types?

A database data type refers to the format of data storage that can hold a distinct type or range of values. When computer programs store data in variables, each variable must be designated a distinct data type. Some common data types are as follows: integers, characters, strings, floating point numbers and arrays.

What is decimal type in SQL?

Overview of SQL Server DECIMAL Data Type

To store numbers that have fixed precision and scale, you use the DECIMAL data type. … The precision has a range from 1 to 38. The default precision is 38. s is the scale which is the number of decimal digits that will be stored to the right of the decimal point.

What is the difference between int and Integer in SQL?

The difference between int and integer is that int is a data type, but integer is a group of data types – e.g. int , long , short and byte .

What is the difference between integer and number in SQL?

It means, INTEGER is constrained number. The decimal place will be rounded. But NUMBER is not constrained. INTEGER is always slower then NUMBER.