Postgresql substring from end6/22/2023 ![]() PostgreSQL uses the delimiter argument with the split_part function to split a string into sub-parts.We can use any of the string to split it we can also use a column name as a substring to split the data from the column. The string argument states which string we have used to split using a split_part function in PostgreSQL.The splitting of the string is based on the specified delimiter. This function splits a string using a specified delimiter and returns the nth substring.Using values 0 and -1 will display the error as “ERROR: field position must be greater than zero”.In the below first example, we have used a position of 1 after using position 1, it will display the string’s value as X.We need to define a greater than zero value at the time using the split_part function in PostgreSQL.We must define a position value as a positive number a negative value is not allowed in the position argument.The split part function is very important and useful in PostgreSQL to split a string into nth parts.How PostgreSQL SPLIT_PART() Function Works? Table name: In PostgreSQL, you can use the split_part function along with the table name to retrieve data from a specific column.We can split the column data rows using the split_part function in PostgreSQL. Column 1 to Column N: Column name used to get the information from the table.We can select a column using the split_part function and split column string. Select: Select is used to select a table column using the split_part function in PostgreSQL.The position will start from 1 and should not be negative it is always a positive integer. Position: Position in the split part function states which position string we want to return using the split_part function in PostgreSQL.We can split the string into a number of parts using a delimiter. ![]()
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