WebNov 7, 2011 · The phone number are in different way like some one start from + ,it may me - symbol like +91-9999999999 so according to me you should take varchar, becoz phon … WebNov 18, 2013 · Hi, It depends on your storage requirement . If you want to store only numbers then go for integer type and if your going to store with specific format (like this - 0021-23141231) then go for VARCHAR .
How to store phone numbers on MySQL databases?
WebFeb 9, 2024 · PostgreSQL has a rich set of native data types available to users. Users can add new types to PostgreSQL using the CREATE TYPE command.. Table 8.1 shows all the built-in general-purpose data types. Most of the alternative names listed in the “ Aliases ” column are the names used internally by PostgreSQL for historical reasons. In addition, … WebIn MySQL there are three main data types: string, numeric, and date and time. String Data Types Numeric Data Types Note: All the numeric data types may have an extra option: … slow position changes to prevent falls
Understanding Numerical Data Types in SQL LearnSQL.com
Web2. using varchar is pretty inefficient. use the money type and create a user declared type "phonenumber" out of it, and create a rule to only allow positive numbers. if you declare it … WebEach 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. SQL Server offers six categories of data types for your use which are listed below − Exact Numeric Data Types Approximate Numeric Data Types WebThe precision is the total number of digits in the number, and the scale is the number of digits to the right of the decimal point. For example, a column defined as DECIMAL(10,2) can store a maximum value of 9999999.99. It is generally recommended to avoid using the FLOAT or DOUBLE data types for storing money values because they are ... slow postgresql join by timestamp