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  Database : A database is a collection of related data which represents some aspect of the real world. A database system is designed to be built and populated with data for a certain task. Database Management System (DBMS) is a software for storing and retrieving users' data while considering appropriate security measures. It consists of a group of programs which manipulate the database. The DBMS accepts the request for data from an application and instructs the operating system to provide the specific data. In large systems, a DBMS helps users and other third-party software to store and retrieve data. Database management systems were developed to handle the following difficulties of typical File-processing systems supported by conventional operating systems. 1. Data redundancy and inconsistency 2. Difficulty in accessing data 3. Data isolation – multiple files and formats 4. Integrity problem 5. Atomicity of updates 6. Concurrent access by multiple users 7. Security problems DBM...

 Experiment – 1 Program On Control Statements 4. fruits = ["apple","mango","chiku"] for x in fruits: print("a is positive no") else: print("a is negative no") output:☺☺ a is positive ------_---------------------*--------------------*----------------- 2. a = 0 if a > 0: print("a is positive no") else: print("a is negative no") output: a is negative no ------------*---------------------*--------------------*---------- 3. num = float(input("enter one no")) if num==0: print("user has enter zero") elif num>0: print("num is positive no") else: print("num is negative no") output:     • user has enter zero ( num = 0 )     • num is positive no ( num > 0 )     • num is negative no ( num < 0 ) if x == "mango": break print(x) output: apple _________*___________*_________*_____________ 5. fruits = ["apple","banana","cherry"] for x in fruit...