Phone number sql table Remove leading or trailing spaces Learn the best practices for storing phone numbers in your database. Shall I go for varchar(10) or for the big one- the "bigint". Phone) DISTINCT is wrong. This query leaves only numeric characters in the phone_number field. The resulting number of digits is then used to determine the validity of the number and ultimately output formatting Apr 26, 2025 · Inserting Data into the Table. Overall, SQL is a query language that communicates with databases. Something like this perhaps: ID (PK, int, identity) Number (character data) NumberType (enumeration or FK to a lookup table of phone number types) EntityType (enumeration of entities such as Customer or Office) EntityID (int) W3Schools offers free online tutorials, references and exercises in all the major languages of the web. Sep 8, 2021 · Keeping in consideration that phone numbers have more complex rules, you could use something like this. For example, Example-- create a table named Companies with different columns CREATE TABLE Companies ( id int, name varchar(50), address text, email varchar(50), phone varchar(10) ); Jun 1, 2011 · Which datatype shall I use to store mobile numbers of 10 digits (Ex. owner_table_id = p. But what encourages me to write this article is that we can format the phone numbers in any format using only one function, i. for 004477789787 you could store CountryCode=44 and phone number=77789787. GetPhoneNumber10(sc. May 9, 2019 · The table [MobileNumber] contains numbers in the format 7123456789. Jan 3, 2025 · I want to ensure that the table only accepts phone numbers that contain numbers and have a length of 10. as the international number without the plus sign. 4940123456 would then be a German number for instance, as 49 is the German country code. SELECT REGEXP_REPLACE(phone_number, '[^0-9]', '') AS cleaned_number FROM contacts; Explanation: [^0-9]: Matches any character that is not a digit. Jul 23, 2012 · Here phone number is a multi-valued attribute. maechismo_8514 However if that option does not exist due to some reason, use the following T-SQL code to format Phone Numbers in SQL Server. In handling phone numbers, one may be quick to consider using a numeric data type. This is followed by a list of column names and their respective data types. PhoneType FROM Account a JOIN (SELECT CustomerRowId, MobilePhone AS PhoneNumber, 'Mobile' AS PhoneType FROM Customer WHERE MobilePhone != '' UNION ALL SELECT CustomerRowId, HomePhone, 'Home' FROM Dec 7, 2016 · IF you can alter the table (assuming it's SQL Server your "CleanedPhone" column would always contained a "cleaned up" version of your phone number - always Apr 14, 2025 · SQL is a Structured query language used to access and manipulate data in databases. ()-) prior to inserting in table? I created the following however, if someone insertst a space (e SQL; Saturday, August 1, 2020 Below query will help you to get basic employee details and joins between key employee tables. You are required to choose a relevant data type for each of the columns. Sep 14, 2022 · Mr. For example, to change the city code of the phone numbers from 916 to 917, you use the following statement: UPDATE sales. The data_type is the type of data a column is going to be stored e. How can I strip out all other characters (ex. (SELECT pp. We can say that our phone numbers are equal (same importance, same length) but we cannot compare them or say that one is first. 1234 into 555. When choosing a data type for storing phone numbers, there are a few things to consider: Apr 18, 2017 · For example, student ID numbers and telephone numbers are nominal values. mykajabi. party_id; zcat08 said November 18, 2013 at 10:53 AM --Site contact point (this is different from site contact) SELECT p. com)") on various RDBMS (Relational Database Management System) datatypes for further reading. We use this table to store records (data). x) CREATE TABLE (Transact-SQL) ALTER TABLE (Transact-SQL) The SQL CREATE TABLE statement is used to create a database table. Apr 18, 2012 · Person: ID, Name PhoneNumber: ID, Type, Number #Type can be 'home' or 'mobile'. phone_number FROM per SELECT employee_id, first_name, last_name, phone_number FROM employees WHERE phone_number = NULL; Code language: SQL (Structured Query Language) (sql) Try it. One question, lets say you have 4 people who all work for the same company. Our current shippers table has one major problem. however it could be very application specific. Phone_Number FROM dupes INNER JOIN dbo. As data I have: Data type Description; BIT(size)A bit-value type. The table looks like: Dec 11, 2019 · You need to join the Accounts table to a list of all the phone numbers and their types in the Customer table, which you can create with a UNION ALL query:. The _____ of two tables is a table containing every row that is in either the first table, the second table, or both tables. However, it returns an empty result set because the following expression always returns false. The table [MobileInventory] contains numbers that may be in any one of the following three formats - 7123456789, 07123456789, +447123456789. They all have the same "work" phone number (perhaps with a different extension) - If the number or address for "work" changes, I'd like to be able to update the contacts fairly easily. PhoneNumber, c. I need an SQL query that allows me to look up a phone number that could be both a contact phone number, or a company phone number, and return the company name. StoreID, dbo. Below is my table: CREATE TABLE FIRSTTRY( USERID CHAR(9) NOT NULL, USERNAME VARCHAR(20) NOT NULL, EMAILADDRESS VARCHAR(40), PHONENUMBER VARCHAR(12), PROFILEPICTURE BLOB, PRIMARY KEY(USERID) ); Dec 16, 2024 · This turns a phone number like 555. You can fix this by adding a constraint UNIQUE to the phone column. Mobile vs office vs home vs fax vs -- Build a table of phone numbers. customers SET phone = REPLACE (phone, '(916)', '(917)') WHERE phone IS NOT NULL; Code language: SQL (Structured Query Language) (sql) Notice that you should back up the table before performing replacements. But with a trade off between security and performance. The extract is designed for standard 10-digit North American format phone numbers with optional extension numbers of up to 5 digits. Note: The code shown below formats US Phone Numbers. :9932234242). I tried to have a constraint on phone number so it only allows the phone number to be inserted in a specific way. (1 person to many numbers). Dec 7, 2014 · Hello Good Evening, i have a phone number table which has single column in it with different style of phone numbers, i am trying to change it as required format SQL DBA,SQL Server MVP(07, 08 Téléphone pour FiveM. Notice that each column name is followed by a data type declaration; this declaration specifies that what type of data the column will store, whether integer, string, date, etc. 🔹SQL Phone Number FormatThis video demonstrates how to create a SQL phone number format constraint using a phone number CHECK Constraint. g string, integer, datetime, etc. In our db (which I don't have access to modify) there's 3 records with a phone number of 1112223333. Now, for the number itself. Customer_Table GROUP BY Phone_Number HAVING COUNT(*) > 1 ) SELECT c. You may use comma separated values and set upper bound and lower bound to a multi valued attribute for making sense, but as your interviewer asked for 1000 number entries then it will be good to provide atomicity to the table and create a new row for every phone number. Examples: "This is a test 111-222-3344" "Some Sample Text (111)-222-3344" "Hello there 1112223344 . party_number, c. They help store temporary data without affecting the underlying permanent tables. cust_account_id, c. com/lpkj-dbdesign/?video=PiMlUjQP-JM🎓 Turn your idea into Apr 21, 2024 · To find duplicate numbers in SQL, you can use the GROUP BY clause along with the COUNT function. In this article, we’ll explore temporary tables in SQL, their types (local vs. My table structure (simplified) Contacts table The basic syntax for creating a table using SQL is as follows: CREATE TABLE table_name ( column1 datatype, column2 datatype, column3 datatype, . . So, I suggest a single field for a number. If you insert records with duplicate phone numbers it wouldn't stop you from doing that, which is not good, it should be unique. Before we store the files we parse the phone number to get the formatting that has been used and that creates the mask, we then store the number a digits only e. Apr 6, 2009 · SELECT DISTINCT sc. Learn SQL FREE w Sep 24, 2015 · Usually the only use for the number is for someone making a call. If you bother about performance (using a big dataset) then you should choose bigint but do read this first Google says never store phone numbers as numeric data If you do not bother about performance as data set is not soo large then go with varchar. To insert a new contact with a phone number, you would use an INSERT INTO statement: INSERT INTO Contacts (FirstName, LastName, PhoneNumber) VALUES ('John', 'Doe', '(123) 456-7890'); Retrieving Data from the Table. We cannot add them and get a meaningful phone number. 1; 2; Next; Phone Numbers Table Design. Help is appreciated Apr 14, 2025 · A temporary table in SQL is an important tool for maintaining intermediate results during query execution. Read now to streamline your database organization! Dec 14, 2021 · The easiest way to extract phone numbers is to utilize regular expressions to target the specific phone number formats. I show different premises that you can get a better idea: Data Demo. The size parameter can hold a value from 1 to 64. I have a table that contains user data, along with a primary and secondary phone number, I need them to all be in the exact same format, as example, like this: 5551032546 - however, they are represented in a multitude of ways. phone_number = NULL Code language: SQL (Structured Query Language) (sql) c. Phone_Number = c. To retrieve contact information, including phone numbers, you would use a SELECT statement: Dec 15, 2021 · Function. g. global), and how to use them eff First consider internal and external format: Yes, a telephone number can be stored as an integer. Mobile number must be: 10 digits in length. Data type Description; BIT(size)A bit-value type. Customer_Table AS c ON dupes. Extracting data has become far simpler with the introduction of functions like REGEXP_SUBSTR in MySQL 8. * FROM ar. Here’s an example query to find duplicate phone numbers: sql SELECT phone_number, COUNT(phone_number) AS num_occurrences FROM phone_numbers May 17, 2016 · I have a database with table name student. party_id = c. AccountNumber, c. The basic syntax for adding this constraint to existing table columns can be given with: Jun 2, 2015 · I need to format phone number in a table column like phone_number to(+1-888-888-8888 ) to (888)888-8888is there a function or query in oracle to do this. It is always better to have separate tables for multi valued attributes like phone number. 123. They function more like a label than a number. If the number is of type- '0021-23141231' , then which In the above CREATE TABLE syntax, table_name is the name of the table you want to give, column_name1 is the name of the first column, column_name2 would be the name of the second column, and so on. I have covered three scenarios, however feel free to modify the code to add additional scenarios. I can enter the data, but how do I display as it is entered? I have used INT, VARCHAR and CHAR but all entries with those constraints drop the 0 off the phone number when it is displayed. The primary key for the employees table should be the employee number. Jul 19, 2005 · I would like to store all phone numbers as 1112223333. CREATE TABLE `coordinators` ( `id` INT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY COMMENT 'coordinator-id', `eventid` INT UNSIGNED NOT NULL COMMENT 'event-id for which coordinating', `name` VARCHAR( 100 ) NOT NULL COMMENT 'name of coordinator', `phone` INT(10) UNSIGNED NOT NULL COMMENT 'event coordinators phone number', `email` VARCHAR(100 Jul 27, 2017 · I have a varchar column in my table which can contain phone numbers in different formats along with some text in there. 0. Carl needs to have a new table to store the contact details of each customer including customer account number, customer phone number and customer email address. owner_table_name = 'HZ_PARTIES' AND cp. Now a lot of this comes down to how you would use the database. SQL> create table test_phone ( phone_number varchar2(20) ) ; Table created. Oct 25, 2024 · Before fixing the formatting, it’s essential to identify the different patterns in your database. Contribute to N3MTV/gcphone development by creating an account on GitHub. Jan 15, 2009 · Phone Numbers Table Design Forum – Learn more on SQLServerCentral SQL Server 2005 Strategies; Phone Numbers Table Design; Post reply. Use GROUP BY to ensure that the second column is unique. Cannot begin with a 1 or a 0 (For example:114468 Jan 18, 2016 · If you take the normalised approach, and in future you wanted to add additional data about the phone number, you can simply add another column to the phone numbers table, not add 4 columns to the contacts table. Ordinal values provide order or rank. SQL stands for Structured Query Language. columnN datatype ); The CREATE TABLE keyword is followed by the name of the table you want to create. To normalize phone numbers, we’ll convert all entries to a Nov 16, 2016 · I was playing with Oracle. Creating a new table separates the term time address from the main address but these feels like duplication since I'm basically creating a specific type of address with the same fields, minus things like phone numbers and email addresses. One is stored like that, the other is 111-222-3333 and the third is (111)222-3333. Use the following SQL query to view the distinct formats of phone numbers in your dataset: SELECT DISTINCT phone_number FROM your_table; Step 2: Normalize Phone Number Format. Jul 15, 2018 · I am new to SQL and I need to enter mobile phone numbers into a table, for example, 0425 198 053. e. As you have no control on source data so, you can parse the data from XML file and convert it into the proper format so that there will not be any issue with formats of a particular country and store it in a separate table so that indexing and retrieval Feb 2, 2024 · Check out this reference from w3schools SQL Data Types for MySQL, SQL Server, and MS Access (w3schools. I need to join the two and the only common field is the mobile number. Aug 30, 2013 · Formatting phone number has never been an issue, the only thing that you need to do is, use few string functions and you can convert it into any format. SQL> insert into test_phone values ( '4429239220' ); -- 10 digits 1 row created. By grouping the phone numbers and counting the occurrences of each number, you can easily identify duplicates. The resulting number of digits is then used to determine the validity of the number and ultimately output formatting Store them as two fields for phone numbers - a "number" and a "mask" as TinyText types which do not need more than 255 items. union When tables are listed in the FROM clause of an SQL query, you can give them alternate names, also known as _____. Extract a specified number of characters from a string (starting from left or right) TRIM. Solution: Account number: INTEGER Phone number: INTEGER Email: VARCHAR Mar 14, 2019 · I would suggest a varchar for the phone number (since phone numbers are known to have leading 0s which are important to keep) and having the phone number in two fields: Country Code and phone number i. Phone_Number; Jan 28, 2020 · You can store contact number in BIGINT and VARCHAR. LEFT / RIGHT. PersonPhoneNumber: ID, Person_ID, PhoneNumber_ID #A join table that connects the #person to a phone number. That table would have 3 columns: user_id, type ENUM('mobile', ), number. Customer_Name, dupes. The 3 possible scenarios of a US Phone number input could be: The extract is designed for standard 10-digit North American format phone numbers with optional extension numbers of up to 5 digits. I made a constraint based on responses to similar questions, but once I push the change and re-seed the table, it is clear the constraints are not being considered. SELECT a. Usage. You would have to assure however that all numbers are stored in the same format, e. The phone_number should be in the following format: +91-123-456-7890 and if the phone_number is NULL, then it should display N/A. Our guide covers essential tips for optimizing data management and ensuring accurate storage of phone numbers. party_id AND cp. Initially, all non-numeric characters are removed. Adding the fields to the Student seems like I'm cluttering the table with information that should be Apr 30, 2020 · I am creating a validation script and need help with mobile number validation logic with below details. The above statement creates a table named persons with four columns id, name, birth_date and phone. hz_cust_accounts c, Jan 21, 2025 · Example 3: Cleaning Up Phone Numbers. Jul 25, 2024 · Here's an example of how you might create a table with a phone number column using the CHAR data type: CREATE TABLE users ( id INT AUTO_INCREMENT PRIMARY KEY, name VARCHAR(50), phone_number CHAR(10) ); Considerations. Clearly this problem is 1-to-many. The default value for size is 1. account_number, cp. Sep 17, 2024 · Here’s how we enforce unique phone numbers in a contacts table: CREATE TABLE contacts ( contact_id INT PRIMARY KEY, phone_number VARCHAR(15) UNIQUE, name VARCHAR Jan 1, 2014 · A table for phone numbers, possibly with a "phone number type" and maybe "entity type" as well. In this S Based on the departments table below, create a SQL table called employees that stores employee number, employee name, department, and salary information. We will be populating the details column with some phone numbers in different formats, as shown below. Input: (0123) 456 7890 Number: 01234567890 📝 Get my Database Design Guides to many different sample databases: https://databasestar. Mar 6, 2013 · ;WITH dupes AS ( SELECT Phone_Number FROM dbo. It will allow 2 stores to share the same number. account_number = '&&Account_Number' AND p. To remove non-numeric characters from phone numbers in the contacts table. Datetime: Applies to: SQL Server 2022 (16. Covering popular subjects like HTML, CSS, JavaScript, Python, SQL, Java, and many, many more. I would like to display the register_number and phone_number of the student. Format (introduced in SQL Server 2012). Oct 24, 2016 · I want to be able to look up the company name, based on a phone number. 1XXXXXXX. The number of bits per value is specified in size. We can create, update, delete, and retrieve data in databases like MySQL, Oracle, PostgreSQL, etc. oawlntv tpj yskccx ntuc eszr wccgx funcfvdv hprm ynna ylhu