WebJan 1, 1970 · > SELECT cast (NULL AS STRING); NULL > SELECT cast (-3Y AS STRING); -3 > SELECT cast (5::DECIMAL (10, 5) AS STRING); 5.00000 > SELECT cast (12345678e-4 AS STRING); 1234.5678 > SELECT cast (1e7 as string); 1.0E7 > SELECT cast (1e6 as string); 1000000.0 > SELECT cast (1e-4 as string); 1.0E-4 > SELECT cast (1e-3 as string); 0.001 > … WebJan 20, 2014 · The following will detect a string field containing consecutive digits with leading or trailing blanks such that to_number (trim (string1)) will not fail LENGTH (TRIM (TRANSLATE (translate (trim (string1),' ','X'), '0123456789', ' '))) is null Share Follow answered Aug 19, 2014 at 14:25 Peter DeGregorio 1,719 1 11 5
SQL String functions - GeeksforGeeks
WebA regular expression in standard query language (SQL) is a special rule that is used to define or describe a search pattern or characters that a particular expression can hold. For example, a phone number can only have 10 digits, so in order to check if a string of numbers is a phone number or not, we can create a regular expression for it. WebJul 29, 2013 · The first one you posted checks if there is a number anywhere in the string, this one makes sure that every single character is a number. Here is a code example to show you what I mean.... hangzhou united rural commercial bank co. ltd
sql - Check if a variable string contains only certain characters ...
WebMay 7, 2024 · We are storing the numeric and string value in the varchar. For example, $500. If we use the Isnumeric, it will return true only. In order to avoid this kindly of mirror issue, … WebJun 24, 2015 · Use a combination of Substr & instr SELECT Substr (textstring, 1,instr (textstring,' ') - 1) AS Output FROM yourtable Result: OUTPUT 666 12345 Use this if you have text at the beginning e.g. aa12345 devils number is my PIN, that is 6666. as it utilises the REGEXP_REPLACE function. WebReturn a number as a string: SELECT STR (185); Try it Yourself » Definition and Usage The STR () function returns a number as a string. Syntax STR ( number, length, decimals) … hangzhou united friction material co. ltd