SLB Logistics Senior Software Engineer Interview Questions and Answers

TMG events refer to events related to Threat Management Gateway, a Microsoft network security product.

• TMG events are generated by Threat Management Gateway (TMG), a network security product developed by Microsoft.

• These events provide information about network traffic, security threats, and system health.

• Examples of TMG events include firewall rule violations, malware detection, and system errors.

Events in interactive report refer to user interactions like clicking, hovering, or scrolling.

• Events can trigger actions or functions in the report.

• Common events include click, hover, scroll, keypress, etc.

• Events can be used to enhance user experience and interactivity.

• Examples: Clicking on a data point to view more details, hovering over a chart to see tooltips.

RFC is a protocol for requesting services from a server, while BAPI is a specific type of RFC used in SAP systems.

• RFC stands for Remote Function Call and is a protocol used to request services from a server over a network.

• BAPI stands for Business Application Programming Interface and is a specific type of RFC used in SAP systems for integrating external applications with SAP.

• RFC can be used in various systems and techn...read more

ABAP on HANA is a programming language that combines ABAP with the in-memory database technology of SAP HANA.

• ABAP on HANA allows developers to leverage the speed and power of SAP HANA for their ABAP-based applications.

• It enables real-time analytics, predictive modeling, and faster data processing.

• Developers can use ABAP on HANA to optimize existing ABAP code for better performance.

• It provides a seamless integration bet...read more

CDs Views have limitations in terms of performance and scalability.

• Limited support for complex queries and joins

• Performance degradation with large datasets

• Scalability issues when handling high volume of data

• Difficulty in maintaining and updating views as database schema changes

Indexes are used to improve database performance. Clustered indexes determine the physical order of data, while non-clustered indexes do not.

• Indexes are used to speed up data retrieval operations in a database.

• Clustered indexes determine the physical order of data in a table, while non-clustered indexes do not.

• A table can have only one clustered index, but multiple non-clustered indexes.

• Clustered indexes are generally ...read more

Query to delete duplicate rows from a table

• Use GROUP BY clause to group the rows by their unique values

• Use HAVING clause to filter out the groups with count greater than 1

• Use DELETE statement to delete the duplicate rows

Singleton pattern restricts the instantiation of a class to a single instance and provides a global point of access to it.

• Create a private constructor to restrict instantiation of the class

• Create a private static instance of the class

• Create a public static method to access the instance

• Ensure thread safety if necessary

• Examples: Database connection, Logger, Configuration settings

Handle exceptions in stored procedures by using TRY-CATCH blocks.

• Use TRY-CATCH blocks to catch and handle exceptions

• Log the error message and severity level

• Rollback the transaction if necessary

• Rethrow the error if it cannot be handled

• Use RAISERROR to raise custom error messages

SOLID principles are a set of five design principles that help in creating maintainable and scalable software.

• S - Single Responsibility Principle: A class should have only one reason to change.

• O - Open-Closed Principle: Software entities should be open for extension but closed for modification.

• L - Liskov Substitution Principle: Subtypes should be substitutable for their base types.

• I - Interface Segregation Principle: C...read more

throw is used to throw an exception while throw exception is used to throw a specific exception.

• throw is used to throw any type of exception while throw exception is used to throw a specific type of exception.

• throw exception is followed by the type of exception that needs to be thrown.

• throw can be used to throw any object while throw exception can only be used to throw an exception object.

• Example: throw new Exception("

Find the longest palindromic substring in a given string.

• Use dynamic programming to check if substrings are palindromes.

• Start with single characters as potential palindromes and expand outwards.

• Keep track of the longest palindrome found so far.

Find the Kth largest integer in the Array

• Sort the array in descending order

• Return the element at index K-1

Design a system for live streaming on YouTube platform.

• Use RTMP protocol for streaming live video to YouTube servers

• Implement a live chat feature for viewers to interact with the streamer

• Include options for viewers to like, share, and subscribe during the live stream

• Provide analytics for streamers to track viewership and engagement

• Ensure scalability to handle high traffic during popular live streams