Database Management Concepts and Commands

The video tutorial by Tech G covers methods to interface with databases, including relational methods, data manipulation, and data definition. It explains database access methods like manual and programmatic access, and details exporting and importing databases. The tutorial concludes with a learning check through review questions.

What are the two major categories discussed in the introduction to database interfacing?

• Data manipulation and data definition

• Data storage and data retrieval

• Data encryption and data decryption

• Data analysis and data visualization

Which SQL command is used to add new records to a table?

• Update

• Insert

• Select

• Delete

What is the purpose of the 'Update' command in SQL?

• To change existing records in a table

• To add new records to a table

• To remove records from a table

• To create a new table

Which command is used to create new data structures in a database?

• Alter

• Create

• Drop

• Select

What principle should be used when assigning database permissions?

• Principle of shared privilege

• Principle of equal privilege

• Principle of least privilege

• Principle of maximum privilege

Which access method involves using a programming language to interact with a database?

• Programmatic access

• Direct manual access

• User interface access

• Utility access

What is a database dump?

• A method to encrypt database data

• A physical backup of database files

• A logical backup containing SQL statements

• A temporary storage of database queries

What is the difference between a hot backup and a cold backup?

• Hot backup is made while the database is running; cold backup is made when it is shut down

• Hot backup is faster than cold backup

• Hot backup requires more storage space than cold backup

• Cold backup is more secure than hot backup

Which SQL command is used to remove a table from a database?

• Delete

• Remove

• Format

• Drop

What is the purpose of exporting a database?

• To move data to a server with more space

• To create a new database

• To delete old records

• To encrypt the database