Read this free guide below with common Oracle Developer interview questions
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If you're preparing for an Oracle Developer interview, the following questions and answers can help you improve your knowledge and understanding of the subject matter.
Oracle Developer is a suite of tools used to develop and deploy applications for Oracle databases.
A primary key is a column or set of columns that uniquely identifies each row in a table, and it can't contain null values. A unique key is also a column or set of columns that uniquely identifies each row in a table, but it can contain null values.
The two types of constraints in Oracle are column-level constraints and table-level constraints.
Normalization is the process of organizing data in a database in such a way that it minimizes redundancy and dependency, and it improves the integrity of the data.
A cursor is a database object used to manipulate data row by row.
A package is a schema object used to group related database objects, such as functions, procedures, and variables.
A function returns a single value, whereas a procedure does not return anything.
A trigger is a database object used to automatically execute a set of commands or procedures when a particular event occurs, such as the insertion or deletion of data.
A view is a virtual table that is based on the result of a SELECT statement.
A materialized view is a view that is stored physically on disk, and it can be refreshed automatically or manually.
A subquery is a query that is nested inside another query, whereas a join is a query that combines data from multiple tables.
An index is a database object used to speed up data retrieval by storing a sorted list of key values.
A cluster is a database object used to store related tables physically together on disk to reduce I/O overhead.
A synonym is a database object used to provide an alternative name or alias for another database object.
A sequence is a database object used to generate unique numbers automatically.
A transaction is a set of SQL commands that are executed as a single unit of work.
A rollback is a database operation that undoes the changes made by a transaction.
A commit is a database operation that makes the changes made by a transaction permanent.
A savepoint is a database object used to mark a point within a transaction to which the transaction can be rolled back.
A deadlock is a situation in which two or more database transactions are waiting for each other to release resources, causing the transactions to be blocked indefinitely.
These are just a few of the questions that may be asked in an Oracle Developer interview, but having a solid understanding of the basics can help you perform well and land the job you want.
If you are preparing for an Oracle Developer Interview, you must have some technical knowledge in Oracle databases, software development, and programming. Along with technical knowledge, you must have a clear understanding of the role of an Oracle developer and its responsibilities in the organization.
Before going for an interview, research about the company and the role you are applying for, this will help you prepare for questions related to the company, its products, and services, and the role you will be performing.
Being an Oracle developer, you must have a clear understanding of database concepts including normalization, indexing, transactions, schema design, etc. Brush up concepts related to the specific role you are interviewing for.
Practice coding questions related to Oracle SQL, PL/SQL and other programming languages that you are proficient in. Practice creating tables, writing procedures, and using other database objects to perform specific tasks.
Behavioral questions will be more focused on your experience and how you would handle certain situations. Think of examples from your past work experience where you demonstrated leadership, teamwork, analytical skills, and problem-solving abilities.
Technology is constantly evolving. It is important to keep up-to-date with the latest trends and developments in the industry, including Oracle database technologies. Knowing the latest updates and trends will make you stand out from other candidates.
Preparation is key to success in an Oracle Developer Interview. Research the company you are interviewing for, practice coding questions, brush up on Oracle concepts, prepare for behavioral questions, and keep up to date with industry trends. These tips will help you ace your Oracle Developer Interview.
Not asking questions can suggest a lack of interest or preparation. Prepare a few thoughtful questions in advance to show your enthusiasm and curiosity about the role.
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