Oracle Interview Questions, Process, and Tips for Experienced

Q1. Linux Boot process(a MUST question in all rounds)
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Q2. Linux filesystem, memory&process management
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Q3. Dynamic memory allocation in C
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Dynamic memory allocation in C allows for allocating memory at runtime, enabling flexibility in memory usage.
• Use functions like malloc(), calloc(), and realloc() to allocate memory dynamically.

• Remember to free the allocated memory using free() to avoid memory leaks.

• Dynamic memory allocation is commonly used for creating arrays or structures of unknown size.

• Example: int *ptr = (int*)malloc(5 * sizeof(int));
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Q4. Linux bash script to rename files
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Use 'mv' command in a bash script to rename files in Linux.
• Use 'mv' command followed by the current file name and the new file name to rename files.

• You can use wildcards like '*' to rename multiple files at once.

• Make sure to test the script on a few files before running it on all files.
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Q5. Linux system calls with an example
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Linux system calls are functions provided by the kernel for user-space programs to interact with the operating system.
• System calls are used to request services from the kernel, such as creating processes, opening files, and networking.

• Examples of system calls include open(), read(), write(), fork(), exec(), and socket().

• System calls are invoked using a software interrupt or trap instruction, switching the CPU from user...read more
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Q6. More miscellaneous questions in Linux and C
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Q1. Miscellaneous questions in Linux and Python
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Q1. Miscellaneous questions more Deeper into Linux and C
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Q1. ODI, DWH and PL SQL advanced topics
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ODI and PL SQL scenario based end to end implementation

Q1. Previous experience and work related and future prospects discussion
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Q1. Linux day to day operations and shell scripting assignment
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Q2. Write a bash script to make pyramid
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Bash script to create a pyramid pattern
• Use nested loops to print spaces and stars in a pyramid shape

• Incrementally increase the number of stars in each row

• Calculate the number of spaces needed for each row based on the total number of rows and current row number
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Q1. On bash scripting
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Q1. Linux regex and bash scripting
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Q1. Linux commands and bash scripting
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Q1. Linux commands and bash scripting
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Given scenario and did ask for my suggestions to get it resolved

Q1. Interviewer divided questions to Manual testing, Agile, Automation. Not asked to share my screen and asked lot of questions.
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Q1. Java coding questions and Selenium related too Not too difficult as I kept 2 years experienced. It is more to test my Logical thinking for a problem.
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Q2. Pallindrome, largest of an array, if else block related coding question, selenium real time scenario
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Q1. Not yet conducted. In 2 days I am going to attend
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