PostgreSQL – LENGTH Function

ByAdmin

The LENGTH() function is used to retrieve the length (number of characters) of a string. It takes a string as an argument and returns an integer representing the length of the string.

The syntax of the LENGTH() function is as follows:

LENGTH(string)

where string is the input string for which you want to determine the length.

Here’s a simple example of how to use the LENGTH() function in PostgreSQL:

SELECT LENGTH('Hello, World!') AS string_length;

In this example, the LENGTH() function calculates the length of the string “Hello, World!” and returns the result, which would be 13.

Similar Posts

PostgreSQL – RPAD Function

ByAdmin

The rpad function in PostgreSQL database is used to right-pad a string with a specified character or a set of characters until the resulting string reaches a specified length. This function is often used to format strings to a fixed width. Here’s the syntax for the rpad function: rpad(input_string, length, pad_string) The rpad function takes…

PostgreSQL – REGEX_REPLACE Function

ByAdmin

The REGEXP_REPLACE function is used to replace substrings within a string based on a regular expression pattern. It allows you to perform advanced pattern-based replacements on text data. The syntax of the REGEXP_REPLACE function is as follows: REGEXP_REPLACE(string, pattern, replacement, flags) where string is the input string in which you want to perform replacements. and…