WebMar 16, 2016 · Do not store phone numbers as integers. Some valid numbers, for instance, could start with a 0 -- if not today, perhaps in the future. To do the validation check, you can use like:. CREATE TABLE Customer ( C_ID INT NOT NULL IDENTITY(1, 1) PRIMARY KEY, C_Name VARCHAR(255) NOT NULL, Phone CHAR(7), -- you might not want to have such a … WebData Type. Usage. Size. Short Text (formerly known as “Text”) Alphanumeric data (names, titles, etc.) Up to 255 characters. Long Text (formerly known as “Memo”. Large amounts of alphanumeric data: sentences and paragraphs. See The Memo data type is now called “Long Text” for more information on the Long Text details.
What data type would you use to store a phone number? - Treehouse
WebFeb 8, 2024 · Use CHAR to Store Phone Numbers in MySQL The CHAR datatype (short for character) can store strings of fixed length between 0 and 255 characters. A column … WebNov 11, 2012 · The phone numbers linked to a customer are used to contact that customer. Phone numbers linked to an address are used to contact whomever lives at that address, which may not be the customer. The addresses may be used for delivery, in which case we need to contact someone at the address. – Andy Nov 11, 2012 at 17:44 Add a comment … bird with horn on head
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WebHow to query the database: A caller enters a phone number they wish to call, and either the date the caller obtained consent from the consumer or the last date the caller was able to verify that the consumer was at that telephone number. Callers may query individual numbers (up to 50) or groups of numbers (up to 250,000). ... WebJun 23, 2024 · There is a field for the phone number and another field to indicate whether its the primary and another to indicate the type (Home Cell, etc.) As for your query that could be more complicated. Create a query that lists only the home phone numbers and another that lists the cell numbers but only for those without home numbers. WebApr 15, 2024 · Strings & VARCHAR. Do not try storing phone numbers as actual numbers. it will ruin the formatting, remove preceding 0s and other undesirable things.. You may, if you choose to, restrict user inputs to just numeric values but even in that case, keep your backing persisted data as characters/strings and not numbers. bird with huge wings