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Wipro
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I applied via Naukri.com and was interviewed in May 2022. There were 2 interview rounds.
Cardinality refers to the uniqueness of values in a column or relationship.
Cardinality is the number of unique values in a column or relationship.
High cardinality means a column has many unique values, while low cardinality means few unique values.
For example, a column like 'Customer ID' may have high cardinality, while 'Gender' may have low cardinality.
SQL query to retrieve data from a table
Use SELECT statement to specify columns to retrieve
Use FROM statement to specify the table to retrieve data from
Use WHERE statement to filter the data based on conditions
I was interviewed in Jul 2024.
Brief information about Business Intelligence (BI) tools.
Reports in SAP ABAP are used to display data in a structured format based on user requirements.
Reports are used to extract data from the database and display it in a structured format.
They can be interactive or non-interactive.
Reports can be created using ABAP List Viewer (ALV) or classical reports.
They can include selection screens for user input.
Examples of reports include sales reports, inventory reports, and financ
Data dictionary is a centralized repository of data definitions used in a database management system.
It stores metadata about the data, such as data types, field lengths, and relationships between tables.
It helps in maintaining data integrity and consistency across the database.
Developers can use data dictionary to create and modify database objects like tables, views, and indexes.
It simplifies data management tasks an...
I applied via Naukri.com and was interviewed in Nov 2024. There was 1 interview round.
It was a real-time scenario that they asked about.
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