Access Healthcare Interview Questions and Answers

No, a user must log in to create a webi report.

• A user must have the necessary permissions and access to create a webi report.

• Logging in ensures that the user's identity is authenticated and authorized to perform the action.

• Without logging in, the system cannot verify the user's credentials or permissions.

To improve performance of a report, optimize queries, reduce data volume, use indexes, and cache data.

• Optimize queries by using proper filters and aggregations

• Reduce data volume by limiting unnecessary columns and rows

• Use indexes on frequently used columns for faster data retrieval

• Cache data to reduce the need for repeated queries

To point a report to a new database, you need to update the data source connection in the report settings.

• Open the report in SAP BO and go to the data source connection settings.

• Update the connection details like server name, database name, username, and password.

• Test the connection to ensure it is successful.

• Save the changes and refresh the report to fetch data from the new database.

An aggregate table is a table that contains aggregated data from one or more source tables.

• Used to improve query performance by pre-calculating and storing aggregated data

• Reduces the need to perform complex calculations on the fly

• Commonly used in data warehousing and business intelligence applications

The @functions in SAP BO are used for manipulating data and performing calculations in reports.

• Used for performing calculations and manipulating data in reports

• Can be used for conditional formatting

• Examples include @sum, @avg, @count

Data mining is the process of analyzing large datasets to discover patterns, trends, and insights.

• Data mining involves extracting useful information from large datasets

• It uses various techniques such as machine learning, statistics, and artificial intelligence

• Examples include market basket analysis, customer segmentation, and fraud detection