WebSep 17, 2024 · MySQL Numeric Data Types (Number Formats) MySQL supports numeric data types such as integers, decimals, and floating-point data types: Integers represent … Web11.1 Numeric Data Types. MySQL supports all standard SQL numeric data types. These types include the exact numeric data types ( INTEGER , SMALLINT , DECIMAL, and NUMERIC ), as well as the approximate numeric data types ( FLOAT , REAL, and DOUBLE PRECISION ). The keyword INT is a synonym for INTEGER, and the keywords DEC and …
indexing - What datatype should be used for storing phone numbers …
WebI had similar problem when importing phone number data from excel to mysql database. So a simple trick without the need to identify the length of the phone number (because the length of the phone numbers varied in my data): UPDATE table SET phone_num = concat('0', phone_num) I just concated 0 in front of the phone_num. WebIf all of these are no, I would use a 10 char field and strip out all non-numeric data. If the first is a yes and the other two are no, I'd use two varchar (50) fields, one for the original input and one with all non-numeric data striped and used for indexing. port angeles ferry map
SQL Data Types for MySQL, SQL Server, and MS Access - W3Schools
WebMar 11, 2024 · 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. Extension is an extension and is optional, so it should be stored in a “extension field ... WebNov 3, 2016 · Some phone numbers generally use hyphens and possibly parentheses. Also, you might need to indicate the country code before the phone number such as +46 5555-555555. Keep in mind also, that not all phone numbers have the same number of digits for area codes and exchanges in different countries. WebThe NUMERIC and DECIMAL data types can specify only fixed-point numbers. For those data types, the scale (s) defaults to 0.The FLOAT data type is a floating-point number with a binary precision b. The default precision for this data type is 126 binary, or 38 decimal. The DOUBLE PRECISION data type is a floating-point number with binary precision 126. port angeles fishing pier