Frequent question: Which datatype is used for phone number in SQL?

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 data type for mobile number in mysql?

Phone numbers should always be stored as a varchar.

What is the data type for Number in SQL Server?

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) . Exact SQL numeric data type means that the value is stored as a literal representation of the number’s value.

Can we use varchar for phone number?

10 Answers. Strings & VARCHAR. Do not try storing phone numbers as actual numbers. it will ruin the formatting, remove preceding 0 s and other undesirable things.

How are phone numbers stored in a database?

A phone number should always be stored as a string or text and never an integer. Some phone numbers generally use hyphens and possibly parentheses. Also, you might need to indicate the country code before the phone number such as +46 5555-555555.

THIS MEANING:  What is Java in cell phone?

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.

What is the longest phone number?

The International Telecommunication Union (ITU) has established a comprehensive numbering plan, designated E. 164, for uniform interoperability of the networks of its member state or regional administrations. It is an open numbering plan, however, imposing a maximum length of 15 digits to telephone numbers.

Is number a datatype in MySQL?

MySQL Numeric Types

MySQL supports all standard SQL numeric data types which include INTEGER, SMALLINT, DECIMAL, and NUMERIC. It also supports the approximate numeric data types (FLOAT, REAL, and DOUBLE PRECISION). The keyword INT is a synonym for INTEGER, and the keywords DEC and FIXED are synonyms for DECIMAL.

What are the data type in MySQL?

In MySQL there are three main data types: string, numeric, and date and time.

What is short data type?

short: The short data type is a 16-bit signed two’s complement integer. It has a minimum value of -32,768 and a maximum value of 32,767 (inclusive). As with byte , the same guidelines apply: you can use a short to save memory in large arrays, in situations where the memory savings actually matters.

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.

THIS MEANING:  What program opens Java file?

What are the types of data type?

data type

Data Type Used for Example
String Alphanumeric characters hello world, Alice, Bob123
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’)