Question
Improve the bold part of the sentence. If no
improvement is required, choose “No improvement”. The delay occurred due to the fact that essential data was unavailable.Solution
“Because of” is simpler and grammatically correct.
Which SQL function returns the total number of rows in a table?
What is meant by 'cardinality' in data modeling?
Which of the following is a real-time data warehouse application?
What is the result of SELECT COALESCE(NULL, NULL, 5, 10);?
Which of these is not a typical data warehouse characteristic?
Which type of schema uses a central fact table connected to dimension tables?
Which of the following best describes the primary function of a database index?
Which type of slowly changing dimension (SCD) preserves full history by adding a new row for each change and using effective date ranges?
Which SQL keyword is used to combine results from two queries and remove duplicates?
In the context of a relational database, which of the following is NOT a characteristic of a candidate key ?