Question
In how many different ways can 6 teachers and 5 students
be seated in a row so that they sit alternately?Solution
T S T S T S T S T S T Now 6 teachers can be seated in 6 places in 6! Ways. 5 students can be seated in 5! ways. ∴ Required no. of ways = 6! × 5! = 720 × 120 = 86400
In a data warehouse, a fact table typically contains:
Which type of schema uses a central fact table connected to dimension tables?
Which analytics type is focused on predicting future outcomes?
Metadata in data warehousing refers to:
What is a 'star schema' in data warehouse design?
Which of the following best describes a fact constellation schema in a data warehouse?
Which OLAP operation involves focusing on a subset of dimensions (e.g., region=‘Asia’)?
In a data warehouse, which type of table stores quantitative data for analysis?
A snowflake schema is different from a star schema because:
Which clause is used to sort the results in SQL?
Relevant for Exams:
