The REPLACE function is used to replace all occurrences of a specified substring within a given string with another substring. The syntax of the REPLACE function is as follows: REPLACE(string, old_substring, new_substring) where string is the input string in which you want to perform replacements, and old_substring is the substring you want to replace within…

The POSITION function, also known as POSITION(substring IN string) or STRPOS(string, substring), is used to find the starting position of a substring within a given string. It returns the position of the first occurrence of the specified substring within the string. The position is a 1-based index, meaning the first character of the string is…

The RIGHT function in postgreSQL is used to extract a specified number of characters from the end (right side) of a string. The syntax of the RIGHT function is as shown below: RIGHT(string, length) where string is the input string from which you want to extract characters, and length is the number of characters you…

The LEFT function in postgreSQL is used to extract a specified number of characters from the beginning (left side) of a string. The syntax of the LEFT function is as follows: LEFT(string, length) where string is the input string from which you want to extract characters, and length is the number of characters you want…

The TRIM() function is used to remove specified characters or whitespace from the beginning and/or end of a string. It’s often used to clean up or manipulate strings by removing unwanted leading or trailing characters. The syntax of the TRIM() function is as follows: TRIM([ [ BOTH | LEADING | TRAILING ] trim_character FROM ]…

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…

The CONCAT() function is used to concatenate two or more strings together. It takes multiple string arguments and returns a single string by concatenating those arguments in the order they are provided. If any of the arguments are NULL, the resulting concatenated string will also be NULL. The syntax of the CONCAT() function is as…