What are the common techniques used to denormalize a database schema?
- Aggregating Tables
- Data Duplication
- Horizontal Partitioning
- Vertical Partitioning
Denormalization involves introducing redundancy into a table or database to improve query performance or simplify data management. Common techniques include data duplication, where selected data is stored in multiple tables for easier retrieval, and aggregating tables, where data from multiple tables is combined into a single table for faster queries.
Loading...
Related Quiz
- Scenario: A DBA needs to ensure that XML data stored in a DB2 database complies with a predefined schema. How can they enforce this requirement?
- User-defined functions can return ________ values in DB2.
- What is the purpose of ODBC in DB2 integration?
- What is the purpose of aggregation functions in DB2?
- The Communication Manager component in DB2's architecture ensures ________.