Search results
16 mar 2016 · In Oracle, you can check the validation of phone number by Regular Expression: CREATE TABLE Customer ( C_ID INT NOT NULL PRIMARY KEY, C_Name VARCHAR(255) NOT NULL, Phone char(10), CONSTRAINT valid_phone_number CHECK (REGEXP_LIKE(p_number, '^0\d{9}|\d{10}$')) );
Phone number should be converted into E.164 before storage. There is no phone number exist that can start with 0 in this format, so if you remove starting + sign (that you can add after fetch from DB) then you can store it as BIGINT .
21 kwi 2024 · Discover the best practices for managing phone numbers in SQL, including storing them using VARCHAR and CHAR data types, validating with CHECK constraints and regular expressions, and querying for specific area codes.
Please enter the telephone number you would like to query (example: 084 777 1234) and then press Query.
25 gru 2015 · Phone numbers are made of numbers. Using varchar allows user to store any type of formatting, with ( or not, with - or . and it quickly creates a mess with your data. A phone # format is "country" dependent, the mask should be tied to the country.
11 lis 2012 · 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.
18 kwi 2017 · The ‶balance” column can safely store the number 173226.62. P represents the total number of all digits and s represents the two digits after the decimal. There is a small difference between NUMERIC(p,s) and DECIMAL(p,s) SQL numeric data type.
