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CBSE NCERT Exercise Solution of Class 11 Informatics Practices Chapter 8 – Introduction to Structured Query Language (SQL) A quick revision • Database is a collection of related tables. MySQL is a ‘relational’ DBMS. A table is a collection of rows and columns, where each row is a record and columns describe the feature of […]
CBSE NCERT Exercise Solution of Class 11 Informatics Practices Chapter 7 – Database Concepts A quick revision File : A file in a file system is a container to store data in a computer.Disadvantage of File System : File system suffers from Data Redundancy, Data Inconsistency, Data Isolation, Data Dependence and Controlled Data sharing.DBMS :
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CBSE NCERT Exercise Solution of Class 11 Informatics Practices Chapter 6 – Introduction to NumPy 1. What is NumPy ? How to install it? 2. What is an array and how is it different from a list? What is the name of the built-in array class in NumPy ? 3. What do you understand by
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NCERT Solution of Class 11 Informatics Practices Chapter 3 – Brief Overview of Python 1. Which of the following identifier names are invalid and why? (a) Serial_no. (b) 1st_Room (c) Hundred$ (d) Total Marks (e) Total_Marks (f) total-Marks (g) _Percentage (h) True Answer: – Valid Identifiers are : (e) Total_Marks and (g) _Percentage Invalids Identifiers
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NCERT Class 11 Informatics Practices exercise solutions, complete chapter exercise solutions available with full details explanations. This is very helpful for the class 11 and 12 students as well as teacher. Students can use this for their study and teacher can use it for reference.
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