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Database management systems (DBMS)

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Database management systems (DBMS) What is a database management system? ️ A program controlling the structure of a database and access to the data; creates, processes, and administers the database. What are some advantages of a DBMS? ️ - Reduced data redundancy - Improved data integrit...

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  • September 7, 2024
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  • 2024/2025
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  • Database management systems
  • Database management systems
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Database management systems (DBMS)


What is a database management system? ✔️ A program controlling the structure of a database and
access to the data; creates, processes, and administers the database.



What are some advantages of a DBMS? ✔️ - Reduced data redundancy

- Improved data integrity

- More program independence

- Increased user productivity

- Increased security



What is DBMS used for? ✔️ To create tables and relationships in databases.



What do applications use DBMS for? ✔️ To read, insert, modify, and delete data.



What is a structured query language (SQL)? ✔️ SQL is an international standard language for
manipulating relational databases.



What do SQL queries consist of? ✔️ An action, database table name, set of parameters.



What are SQL keywords? ✔️ They issue instructions - create, delete, insert, etc.



What are boolean operators? ✔️ AND, OR, NOT for searching.



What are global updates? ✔️ Based on some criteria.



What are joining tables? ✔️ Creating relationships.

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