Flexera Software Content Analyst Engineer Interview Questions, Process, and Tips

Medallion architecture is a data management framework that organizes data into layers for efficient processing and analysis.

• Consists of three layers: Bronze, Silver, and Gold.

• Bronze layer stores raw data from various sources, e.g., logs or transactional data.

• Silver layer cleans and transforms data for analysis, e.g., aggregating sales data.

• Gold layer provides curated data for business intelligence and reporting, e.g.,

Delete removes rows one by one, while Truncate removes all rows at once.

• Delete is a DML operation, while Truncate is a DDL operation.

• Delete can be rolled back, while Truncate cannot be rolled back.

• Delete fires triggers for each row deleted, while Truncate does not fire triggers.

• Delete is slower as it removes rows one by one, while Truncate is faster as it removes all rows at once.

Pattern matching is a technique used to find similarities between patterns in data.

• Pattern matching involves comparing a pattern to a set of data to find similar instances.

• It is commonly used in text processing, image recognition, and data mining.

• Regular expressions are often used for pattern matching in text data.

• Pattern matching can be used to identify trends, anomalies, or specific information within a dataset.