Question
Out of the given answer figures, which is the
correct one to replace the empty box?Solution
See the third row. First box has 2 circles & 0 triangles, 2nd has 1 circle (decrease by 1) & 1 triangle (increase by 1). So 3rd box must have 0 circles ad 2 triangles. Same pattern is followed in all rows. You solve this by taking columns instead of rows too.
In ETL pipelines, which step is primarily responsible for resolving inconsistencies and correcting data quality issues (e.g., missing values, inconsiste...
Which of the following stores historical data for analysis?
Which of the following is a key process in ETL?
In the context of a relational database, which of the following is NOT a characteristic of a candidate key ?
Which SQL clause is used to filter records after aggregation?
A snowflake schema is different from a star schema because:
What does "drill-down" operation in OLAP do?
Which of the following is a real-time data warehouse application?
Surrogate keys are used in data warehouses because:
ETL stands for:
