PostgreSQL - ASCII Function Last Updated : 06 Aug, 2024 Comments Improve Suggest changes Like Article Like Report When working with PostgreSQL, you might need to derive the ASCII (American Standard Code for Information Interchange) code of a character. The PostgreSQL ASCII() function is a handy tool for this purpose. In the case of UTF-8 encoding, the ASCII() function returns the Unicode code point of the character.What is the ASCII() Function in PostgreSQL?The ASCII() function in PostgreSQL is used to obtain the ASCII code of a character. If the input character is a part of the UTF-8 character set, the function will return its Unicode code point instead. This can be particularly useful for various text-processing tasks where you must manipulate or analyze character data.Why Use the ASCII() Function?Using the ASCII() function can be beneficial in several scenarios:Data Validation: Ensure that input characters fall within a certain range by comparing their ASCII values.Text Analysis: Analyze text data by examining the ASCII values of characters.Sorting and Ordering: Custom sort orders based on ASCII values of characters.Encoding Detection: Identify and handle different text encodings.SyntaxASCII(char) ParameterLet's analyze the above syntax:char: The char argument is a character for which you want to derive the ASCII code. It is also important to note that if the user passes a string to the ASCII() function, it will return the ASCII code of the first character.PostgreSQL ASCII Function ExamplesLet's look into some examples to see how the ASCII() function works in PostgreSQL.Example 1: Basic UsageThe following statement uses the ASCII() function to get the ASCII code values of character A and a:SELECT ASCII( 'Geeks' ), ASCII( 'G' ); Output:Explanation: Here, both functions return 71, which is the ASCII code for the character 'G'.Example 2: Working with UTF-8 CharactersThe below statement uses the ASCII() function to get the Unicode code point of a UTF-8 character.SELECT ASCII( '?' ); Output:Explanation: In this case, the function returns 63, which is the Unicode code point for the '?' character.ConclusionThe PostgreSQL ASCII() function is a powerful tool for deriving the ASCII code or Unicode code point of a character. This function can help you analyze and manipulate your text data efficiently for simple ASCII characters or more complex UTF-8 encoded characters. By understanding and utilizing this function, you can enhance your PostgreSQL data processing capabilities. Comment More infoAdvertise with us Next Article PostgreSQL - ASCII Function R RajuKumar19 Follow Improve Article Tags : PostgreSQL ASCII PostgreSQL-function PostgreSQL-String-function Similar Reads ASCII Values Alphabets ( A-Z, a-z & Special Character Table ) ASCII (American Standard Code for Information Interchange) is a standard character encoding used in telecommunication. The ASCII pronounced 'ask-ee', is strictly a seven-bit code based on the English alphabet. ASCII codes are used to represent alphanumeric data. The code was first published as a sta 7 min read PostgreSQL Tutorial In this PostgreSQL tutorial you’ll learn the basic data types(Boolean, char, text, time, int etc.), Querying and Filtering techniques like select, where, in, order by, etc. managing and modifying the tables in PostgreSQL. We’ll cover all the basic to advance concepts of PostgreSQL in this tutorial. 8 min read PostgreSQL DATEDIFF Function PostgreSQL doesn’t have a DATEDIFF function like some other databases, but you can still calculate the difference between dates using simple subtraction. This approach allows you to find out how many days, months, or years separate two dates. In this article, we'll explore how to compute date differ 6 min read Program to print ASCII Value of a character Given a character, we need to print its ASCII value in C/C++/Java/Python. Examples : Input : a Output : 97 Input : DOutput : 68 Here are few methods in different programming languages to print ASCII value of a given character : Python code using ord function : ord() : It converts the given string o 4 min read PostgreSQL - Data Types PostgreSQL is a powerful, open-source relational database management system that supports a wide variety of data types. These data types are essential for defining the nature of the data stored in a database column. which allows developers to define, store, and manipulate data in a way that aligns w 5 min read ASCII Value of a Character in C In this article, we will discuss about the ASCII values that are bit numbers used to represent the character in the C programming language. We will also discuss why the ASCII values are needed and how to find the ASCII value of a given character in a C program.Table of ContentWhat is ASCII Value of 4 min read PostgreSQL - Psql commands PostgreSQL, or Postgres, is an object-relational database management system that utilizes the SQL language. PSQL is a powerful interactive terminal for working with the PostgreSQL database. It enables users to execute queries efficiently and manage databases effectively.Here, we highlight some of th 2 min read Top 50 PostgreSQL Interview Questions and Answers Are you preparing for a PostgreSQL interview? PostgreSQL is a powerful open-source relational database management system (RDBMS) that is well-known for its reliability, scalability, and rich set of features. It’s a favorite among developers and businesses alike, making it essential to master if we w 15+ min read How to Dump and Restore PostgreSQL Database? PostgreSQL remains among the most efficient and widely applied open-source relational database management systems. It provides the superior function of saving, configuring, and extracting information most effectively. In the process of migrating data, creating backups, or transferring databases betw 6 min read PostgreSQL - Create Database Creating a database in PostgreSQL is an important task for developers and database administrators to manage data effectively. PostgreSQL provides multiple ways to create a database, catering to different user preferences, whether through the command-line interface or using a graphical interface like 5 min read Like