Oportun Manager Interview Questions and Answers

Q1. What is the role of transfer agency in investment banking?
Ans. 
Transfer agency in investment banking is responsible for maintaining accurate records of investors' transactions and account balances.
• Transfer agency handles the processing of investor transactions, including subscriptions, redemptions, and transfers.

• They maintain accurate records of investor account balances and ensure timely and accurate reporting.

• Transfer agency also handles investor communications and provides cust...read more
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Q2. Do you have any experience in project migration?
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A case study is related to supply and demand.

Q1. As questions related to SQL, types of joins, keys, and windows function.
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Q2. Types of Joins?
Ans. 
Types of joins include inner join, outer join, left join, right join, and full join.
• Inner join: Returns rows when there is a match in both tables.

• Outer join: Returns all rows when there is a match in one of the tables.

• Left join: Returns all rows from the left table and the matched rows from the right table.

• Right join: Returns all rows from the right table and the matched rows from the left table.

• Full join: Returns rows
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Q3. Explain different types of Keys.
Ans. 
Keys in database management are used to uniquely identify records in a table.
• Primary Key: uniquely identifies each record in a table, must be unique and not null

• Foreign Key: links two tables together, ensures referential integrity

• Composite Key: combination of two or more columns to uniquely identify a record

• Super Key: set of attributes that uniquely identifies a record
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Q4. Difference between DBMS and R-DBMS
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DBMS is a software system that manages databases, while R-DBMS is a relational database management system that stores data in tables with relationships.
• DBMS stores data in files, while R-DBMS stores data in tables with relationships

• DBMS does not support relationships between tables, while R-DBMS supports relationships through keys

• R-DBMS ensures data integrity through normalization, while DBMS does not have this feature
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