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PostgreSQL-function

47 posts

PostgreSQL - Function Parameter Modes

Last Updated: 23 July 2025

PostgreSQL provides powerful features that allow developers to pass data between a calling program and a procedure or function. This is achieved through the use of paramet...read more

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Technical Scripter 2020

PostgreSQL-function

PostgreSQL - EXTRACT Function

Last Updated: 01 August 2026

PostgreSQL EXTRACT() function retrieves a specific part of a date, time or timestamp value, such as the year, month, day, hour or minute. It is commonly used for date and ...read more

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PostgreSQL-function

PostgreSQL-Date-function

PostgreSQL - DATE_TRUNC Function

Last Updated: 15 July 2025

The PostgreSQL DATE_TRUNC() function is a powerful tool that helps us truncate a timestamp or interval to a specified level of precision. It is particularly useful when de...read more

PostgreSQL-function

PostgreSQL-Date-function

PostgreSQL DATE_PART Function

Last Updated: 15 July 2025

Handling dates and times efficiently is essential for data-driven applications, and PostgreSQL provides powerful built-in functions for managing and manipulating time-base...read more

PostgreSQL-function

PostgreSQL-Date-function

PostgreSQL - CURRENT_TIMESTAMP Function

Last Updated: 15 July 2025

PostgreSQL provides the 'CURRENT_TIMESTAMP() function, which returns the current date and time, along with the time zone, at the precise moment the transaction begins. Thi...read more

PostgreSQL-function

PostgreSQL-Date-function

PostgreSQL - CURRENT_TIME Function

Last Updated: 15 July 2025

The PostgreSQL CURRENT_TIME function returns the current time and the current time zone. This function is handy when you need to work with time-sensitive data in your data...read more

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PostgreSQL-function

PostgreSQL-Date-function

PostgreSQL - CURRENT_DATE Function

Last Updated: 01 August 2026

PostgreSQL CURRENT_DATE function returns the current date based on the database server's time zone. It is commonly used in SQL queries to work with today's date without re...read more

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PostgreSQL-function

PostgreSQL-Date-function

PostgreSQL - AGE Function

Last Updated: 15 July 2025

In PostgreSQL, the AGE() function is a powerful tool for calculating the difference between two TIMESTAMP values. This function is especially useful for determining the ag...read more

PostgreSQL-function

PostgreSQL-Date-function

PostgreSQL - Substring Function

Last Updated: 15 July 2025

PostgreSQLis a powerful relational database management system with extensive text processing functions, including the flexibleSUBSTRINGfunction. This function enables user...read more

PostgreSQL-function

PostgreSQL-String-function

PostgreSQL - SPLIT_PART Function

Last Updated: 15 July 2025

The PostgreSQL SPLIT_PART() function is a powerful tool for splitting strings based on a specific delimiter, returning a specified part of the string. This function is par...read more

PostgreSQL-function

PostgreSQL-String-function

PostgreSQL - RIGHT Function

Last Updated: 15 July 2025

The PostgreSQL RIGHT() function, allows you to extract a specified number of characters from the right side of a string. This function can be incredibly useful for various...read more

PostgreSQL-function

PostgreSQL-String-function

PostgreSQL - REPLACE() Function

Last Updated: 04 August 2026

REPLACE() function in PostgreSQL replaces all occurrences of a specified substring within a string with another substring.Replace specific text within a string.Modify text...read more

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PostgreSQL-String-function

PostgreSQL - REGEXP_MATCHES Function

Last Updated: 15 July 2025

The PostgreSQL REGEXP_MATCHES() function is a powerful tool for matching POSIX regular expressions against a string. It returns substrings that satisfy the pattern, making...read more

PostgreSQL-function

PostgreSQL-String-function

PostgreSQL - POSITION Function

Last Updated: 15 July 2025

The PostgreSQL POSITION() function is used to find the location of a substring within a string. This function is particularly useful for text manipulation and searching op...read more

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PostgreSQL-function

PostgreSQL-String-function

PostgreSQL - TRIM Function

Last Updated: 15 July 2025

The TRIM() function in PostgreSQL is an essential tool for removing unwanted characters from strings. Whether we're working with user inputs, formatting text, or performin...read more

PostgreSQL-function

PostgreSQL-String-function

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