WebMay 13, 2014 · There is several reasons for this : Phone numbers often start with a "0" : an integer will remove all leading "0"s Phone number can have special char : +, (, -, etc. … WebAug 28, 2024 · From what I understand, unless a field is going to be used for mathematical operations, the data should usually be stored as char. Is this correct? For this specific post, I'm trying decide what datatype to store a phone number in. Googling around seems to indicate to use varchar (10).

Format a Phone Number in SQL Server (T-SQL) - database.guide

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: … WebAug 26, 2011 · 2. varchar (4) optionally, you can still add a check constraint to ensure the data is numeric with leading zeros. This example will throw exceptions in Oracle. In other … development set machine learning

Data types (Transact-SQL) - SQL Server Microsoft Learn

WebUse data type long instead.. dont use int because it only allows whole numbers between -32,768 and 32,767 but if you use long data type you can insert numbers between … WebWhat's the longest possible worldwide phone number I should consider in SQL varchar (length) for phone. considerations: + for country code () for area code x + 6 numbers for Extension extension (so make it 8 {space}) spaces between groups (i.e. in American phones +x xxx xxx xxxx = 3 spaces) here is where I need your help, I want it to be worldwide WebMar 16, 2016 · DECLARE @phone TABLE ( phone_id int NOT NULL PRIMARY KEY ,phone_name nvarchar (255) NOT NULL ,phone_number decimal (31,0) NULL CHECK … churches in sykesville md