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I applied via Company Website and was interviewed in Feb 2024. There was 1 interview round.
MySQL replicates data from a master database to one or more slave databases for high availability and scalability.
MySQL replication is asynchronous, meaning changes are copied from the master to the slave at a later time.
Replication can be set up in different topologies like master-slave, master-master, and group replication.
Replication can be used for failover, load balancing, and data backup purposes.
To create a database, use the CREATE DATABASE statement in SQL.
Use the CREATE DATABASE statement followed by the database name.
Specify the storage location and size for the database files.
Set any necessary parameters such as character set and collation.
Grant appropriate permissions to users for the new database.
posted on 28 Oct 2024
DBA stands for Database Administrator. The architecture of DBA involves managing and maintaining databases to ensure data integrity and security.
DBA is responsible for installing, configuring, and upgrading database software.
They monitor database performance and troubleshoot issues.
DBA designs and implements backup and recovery strategies to prevent data loss.
They also manage user access and security permissions within...
Maintaining the database involves regular monitoring, performance tuning, applying patches, and ensuring backups are taken regularly.
Regularly monitor database performance and usage
Perform routine maintenance tasks such as applying patches and updates
Take regular backups to ensure data integrity and disaster recovery
Implement security measures to protect the database from unauthorized access
Optimize database performanc
Setting up HA and DR involves configuring high availability and disaster recovery solutions to ensure data availability and continuity.
Implementing clustering and failover mechanisms for high availability
Setting up replication and backup strategies for disaster recovery
Testing failover and disaster recovery procedures regularly
Utilizing technologies like Oracle Data Guard for DR solutions
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
posted on 12 Apr 2024
I applied via Naukri.com and was interviewed in Mar 2024. There was 1 interview round.
Monitoring db performance using OEM AWR report
Access OEM console and navigate to Performance tab
Select AWR report option to generate a report
Analyze the report for key performance metrics like CPU usage, memory utilization, I/O stats
Identify any performance bottlenecks and take necessary actions to optimize db performance
I am impressed by the company's innovative technology solutions and strong reputation in the industry.
The company has a track record of developing cutting-edge technology solutions.
I admire the company's commitment to excellence and continuous improvement.
The company's reputation for providing top-notch training and development opportunities is appealing to me.
I expect a competitive salary based on my experience, skills, and the market rate for Oracle Database Administrators.
Research the average salary range for Oracle Database Administrators in your area
Consider your level of experience and skills when determining your salary expectations
Be prepared to negotiate based on the specific responsibilities and benefits offered by the employer
posted on 22 Apr 2024
Maths reasoning english
Problem solving based question
posted on 2 Apr 2024
I applied via Indeed and was interviewed in Dec 2022. There were 3 interview rounds.
Stored procedures are precompiled database objects that can be called by applications to perform a specific task.
Stored procedures are written in SQL or PL/SQL
They can accept input parameters and return output parameters
They can be used to encapsulate business logic and improve performance
Examples include procedures for inserting, updating, and deleting data
They can also be used for complex data manipulation and report
Indexing is required to improve the performance of database queries.
Indexing helps in faster retrieval of data from the database.
It reduces the number of disk I/O operations required to fetch data.
Indexes are created on columns that are frequently used in WHERE clauses or JOIN conditions.
Examples of indexes include B-tree, bitmap, and hash indexes.
Define schema for a simple book store
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