10+ Maven Facility Management Services Interview Questions and Answers

A DBA is a database administrator who is responsible for managing and maintaining a company's database system.

• Roles include database design, security, backup and recovery, performance tuning, and troubleshooting

• Responsibilities include ensuring data integrity, availability, and accessibility

• Shift models vary depending on the company's needs, but may include on-call availability and rotating shifts

• Examples of database systems include Oracle, MySQL, and SQL Server

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 performance by tuning queries and indexes

A database is a collection of related data, while an instance is the set of memory structures and background processes used to access the database.

• Database is the physical or logical container for data, while instance is the set of processes and memory structures used to access the database.

• Multiple instances can access the same database, but each instance has its own memory and processes.

• Database is persistent, while instance is transient and can be started or stopped.

• Exampl...read more

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 the database.

• DBA works closely with developers and system...read more

A lean supply chain focuses on minimizing waste and maximizing efficiency in the flow of goods and services.

• Focuses on reducing waste in all aspects of the supply chain

• Emphasizes efficiency in production, transportation, and distribution

• Involves continuous improvement and optimization of processes

• Utilizes tools like Just-In-Time inventory management and Kanban systems

• Examples include Toyota's production system and Dell's direct sales model

Background processes are processes that run in the background of an operating system without direct user interaction.

• Background processes in Oracle Database include PMON, SMON, DBW0, LGWR, CKPT, and others.

• These processes perform tasks such as managing memory, writing data to disk, and ensuring data consistency.

• They help in maintaining the integrity and performance of the database system.

• Background processes are essential for the proper functioning of the database server.

DBWR stands for Database Writer and LGWR stands for Log Writer in Oracle Database.

• DBWR writes modified data blocks from the database buffer cache to the data files on disk.

• LGWR writes redo log entries from the redo log buffer to the redo log files on disk.

• DBWR and LGWR are background processes in Oracle Database responsible for ensuring data integrity and consistency.

• DBWR and LGWR work together to ensure that changes made to the database are recorded and persisted properly.

Control file multiplexing is the process of creating multiple copies of control files to ensure data redundancy.

• Create additional copies of control files using the ALTER DATABASE statement

• Specify the location and name of the additional control files

• Ensure that all control files are accessible and synchronized

• Monitor the alert log for any errors related to control files

Kaizen is a Japanese business philosophy of continuous improvement, while Kanban is a scheduling system for lean manufacturing.

• Kaizen focuses on making small, incremental improvements in processes and systems.

• Kaizen involves all employees in the organization and encourages suggestions for improvement.

• Kanban is a visual scheduling system that helps manage workflow by limiting work in progress.

• Kanban uses cards or signals to indicate when new work can be started based on capaci...read more

LGWR stands for Log Writer and is a background process in Oracle database responsible for writing redo log entries to disk.

• LGWR ensures that changes made to the database are recorded in the redo log files before committing transactions.

• It plays a crucial role in ensuring data integrity and crash recovery.

• LGWR writes redo log entries from the log buffer to the redo log files on disk.

• It operates continuously in the background to ensure that redo log entries are written efficien...read more

Data configuration steps involve setting up and organizing data for efficient use.

• Identify data sources and types

• Determine storage requirements and allocate resources

• Define data access and security policies

• Configure backup and recovery procedures

• Test and validate data configuration

A config file is a file that contains configuration settings for a software application or system.

• Config files are used to store parameters and settings that determine the behavior of an application or system.

• They are typically written in plain text format and can be edited using a text editor.

• Config files are often used to specify database connection details, server settings, application preferences, etc.

• Examples of config files include 'my.cnf' for MySQL, 'httpd.conf' for A...read more