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Class 12th Computer Science - Data Manipulation Through SQL Two Marks Questions Question Bank Software Sep-27 , 2019

Data Manipulation Through SQL

Class 12th Computer Science - Data Manipulation Through SQL Two Marks Questions

Data Manipulation Through SQL Two Marks Questions

12th Standard

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Computer Science

Time : 00:45:00 Hrs
Total Marks : 20
    10 x 2 = 20

  1. Mention the users who uses the Database.

  2. Which method is used to connect a database? Give an example.

  3. What is the advantage of declaring a column as “INTEGER PRIMARY KEY”

  4. Write the command to populate record in a table. Give an example.

  5. Which method is used to fetch all rows from the database table?

  6. What is a cursor in SQL and databases?

  7. What is the reason behind defining a SQL command with triple quotes?

  8. What is the use of AND, OR operators combined with WHERE clause?

  9. How the cursor object is created?

  10. How the SQL DISTINCT class is helpful to you?

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