Author: Dev

In Oracle PL/SQL, the PIVOT operation is used to transpose rows into columns, transforming the result of a SELECT statement into a more readable and compact format. This is particularly useful when you want to pivot data based on a specific column’s values. The PIVOT clause simplifies the process of rotating data in SQL queries.…(Continue Reading)

In PL/SQL, the EXECUTE IMMEDIATE statement is a powerful and flexible feature that allows you to dynamically execute SQL statements or PL/SQL blocks. This statement is particularly useful when you need to construct SQL statements dynamically at runtime, based on certain conditions or user inputs. Syntax The basic syntax of the EXECUTE IMMEDIATE statement is…(Continue Reading)

The REGEXP_SUBSTR function in Oracle PL/SQL is a powerful tool for working with regular expressions to extract substrings from a larger string. This function allows you to search for a pattern within a string and return the matched substring. Here’s an overview of the REGEXP_SUBSTR function: Syntax The basic syntax of the REGEXP_SUBSTR function is…(Continue Reading)

The REGEXP_REPLACE function in Oracle PL/SQL is a powerful tool for performing regular expression-based search and replacement within strings. This function allows you to search a string for a specified pattern using regular expressions and replace it with a specified value. Here is an overview of the REGEXP_REPLACE function: Syntax REGEXP_REPLACE(source_string, pattern, replace_string [, start_position…(Continue Reading)

The REGEXP_INSTR function in Oracle PL/SQL is a powerful tool for pattern matching within strings. It allows developers to search for a regular expression pattern in a given string and returns the position of the first occurrence of the pattern. This function is particularly useful for tasks such as data validation, extraction, and manipulation. Syntax…(Continue Reading)