Aptino Interview Questions, Process, and Tips for Experienced

Use GROUP BY clause to count sum of sales by customer in MySQL.

• Use GROUP BY customer_id to group sales by customer

• Use SUM(sales_amount) to calculate total sales for each customer

Use SQL query to count the maximum sales by customer.

• Use GROUP BY clause to group the sales by customer.

• Use MAX() function to find the maximum sales for each customer.

• Use COUNT() function to count the maximum sales for each customer.

Tableau blend is combining data from different data sources, while join is combining data from the same data source.

• Tableau blend is used to combine data from different data sources in a single view.

• Join is used to combine data from the same data source based on a common key.

• Blending is done at the visualization level, while joining is done at the data source level.

• Blending allows for combining data that may not have a...read more

Filters in SQL are used to restrict the result set based on specified criteria.

• Filters are used in the WHERE clause of a SQL query to specify conditions that must be met for a row to be included in the result set.

• Filters can be used to restrict the result set based on one or more columns, using comparison operators such as =, <>, >, <, >=, <=, etc.</p>

• Filters can also be combined using logical oper...read more