DBMS (Database Management System) 1. Introduction DBMS stands for Database Management System. It is used to store, manage, and retrieve data efficiently. Example: MySQL, Oracle, SQL Server, MS Access, PostgreSQL. 2. Database A database is a collection of related data. It stores data in an organized form (tables). Example: A…
1.Create a text file “intro.txt” in python and ask the user to write a single line of text by user input.
1. Meaning of r+ , w+ and a+ These modes are read + write combination modes. They allow both reading and writing operations on a file. r+ Mode (Read and Write) Opens file for both reading and writing. File must exist, otherwise error. Writing starts from the beginning of the…
Binary File Handling in Python Binary files store data in binary format (0s and 1s) instead of plain text. Examples: Images, videos, executables, .dat, .bin files. Mode Description ‘rb’ Read binary file ‘wb’ Write binary file ‘ab’ Append binary file ‘r+’ Read and write binary file Writing Data to Binary file…
Text Files Text files store data in text form only. They use ASCII or Unicode characters. Each line ends with EOL (End of Line) — usually \n. To work on a file: open → write → save → close. You can also open an existing file to read or edit data. Same method is used…
