Instruserv Technologies Oracle Developer Interview Questions and Answers

Creating procedures with user defined exceptions and handling errors when updating at end of month.

• Create a procedure with a user defined exception using 'RAISE_APPLICATION_ERROR' and 'EXCEPTION' keywords.

• Use 'TO_CHAR(SYSDATE, 'DD')' to check if it is the end of the month before updating.

• Handle the error by raising an exception if the update is attempted at the end of the month.

• Example: CREATE OR REPLACE PROCEDURE upda...read more

A cursor is a database object used to manipulate data in a result set.

• A cursor is used to retrieve and manipulate data row by row.

• Types of cursors include implicit, explicit, and forward-only cursors.

• Implicit cursors are automatically created by Oracle when executing a SQL statement.

• Explicit cursors are created by the developer and allow for more control over the result set.

• Forward-only cursors only allow for iterating

Workex pointers from previous company

• Highlight key projects you worked on

• Discuss your role and responsibilities in those projects

• Mention any challenges faced and how you overcame them

• Talk about any innovative solutions you implemented

• Share any positive feedback or recognition received

I joined inm because of the company's reputation for innovation and growth in the tech industry.

• Attracted to company's reputation for innovation

• Excited about opportunities for growth in tech industry

• Impressed by company culture and values

Yes, items with different ship sets can be in different inventory

• Items with different ship sets can be stored in different locations or warehouses

• This allows for better organization and tracking of inventory

• For example, high-demand items can be stored in a warehouse closer to customers for faster shipping

An interface acts as a bridge between two systems, allowing them to communicate and exchange data.

• Interfaces define a set of methods that a class must implement.

• They provide a way for different systems to interact with each other.

• Interfaces can be used to achieve abstraction and polymorphism in programming.

• Example: JDBC (Java Database Connectivity) provides an interface for connecting Java applications to databases.

HCM Extract is a tool in Oracle HCM Cloud that allows users to extract and transfer data from the system.

• HCM Extracts are used to extract data from Oracle HCM Cloud for reporting, analysis, or integration purposes.

• Users can define the data to be extracted, the format of the output, and the delivery method.

• HCM Extracts can be scheduled to run at specific times or triggered based on certain events.

• Extracted data can be t...read more