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154 is wrong. It should be 155..
Which of the following concurrency control techniques allows multiple transactions to read data simultaneously but ensures that only one transaction ca...
Which of the following is used to speed up data retrieval in a relational database?
Which type of database backup only includes the data that has changed since the last full backup?
What does the term "normalization" refer to in the context of database design?
Which database model is based on the mathematical set theory and is the foundation of many modern databases?
A collection of Data organized in a manner that allows access, retrieval & use of the data
Which of the following memories has the shortest access times?
What is the purpose of the SQL "GROUP BY" clause?
How many types of architecture we have in DBMS
In a relational database, a foreign key is used to: