Which SQL statement is used to update existing records in a database?
- ALTER
- CHANGE
- MODIFY
- UPDATE
The UPDATE statement in SQL is used to modify existing records in a database table. It allows you to change the values of one or more columns in one or more rows based on specified conditions. This statement is crucial for maintaining data integrity and making necessary changes to the database.
Loading...
Related Quiz
- Load testing assesses the system's performance under ____________ conditions.
- Data ____________ is the process of extracting data from source systems for use in ETL processes.
- What is the primary goal of scalability testing?
- In ETL testing, what does the "Transform" phase primarily involve?
- One approach to improving query performance with large data sets is through the use of ____________ indexing.