Database administrators (DBAs) use specialized software to store and organize data. The role may include capacity planning, installation, configuration, database design, migration, performance monitoring, security, troubleshooting, as well as backup and data recovery.
What are the responsibilities of the database administrator?
- working with database software to find ways to store, organise and manage data.
- troubleshooting.
- keeping databases up to date.
- helping with database design and development.
- managing database access.
- designing maintenance procedures and putting them into operation.
What are four responsibilities of a DBA?
- Central Control and Coordination.
- The DBA in the IS Organization.
- Establishing Database Control and Administration.
- Data Definition and Control.
- Database Documentation.
- Education and Training.
- The DBA and the User.
- The DBA and Application Selection/Development.
Which of the following would be the responsibility of a database administrator DBA )? Quizlet?
Database administrator (DBA) is a person/group responsible for establishing policies and procedures to control and protect a database. They work within guidelines set by data administration to control the database structure, manage data changes, and maintain DBMS programs.What are the roles and responsibilities of Oracle DBA?
- Installing Oracle software.
- Creating Oracle databases.
- Performing upgrades of the database and software to new release levels.
- Starting up and shutting down the database.
- Managing the database’s storage structures.
- Managing users and security.
Which of the following is not a duty of database administrator?
Que.Which of the following in not a function of DBA?b.Routine Maintenancec.Schema Definitiond.Authorization for data accessAnswer:Network Maintenance
What are some of the core roles of a database administrator quizlet?
What are some of the core roles of a database administrator? Database Administrators take care of the Maintenance which includes monitoring the servers, configuring servers, and maintaining log files. They also Design the physical parts of a database and create databases.
What job function is most likely to be responsible for installing a new DBMS release?
When adopting a new DBMS, the DBA is responsible for designing, implementing, and maintaining the database system. Often, this includes installing the DBMS and setting up the IT infrastructure to allow applications to access databases.What is data administration quizlet?
Data Administration. an enterprise wide function that concerns the effective use and control of an organization’s data assets. A person can perform it but more often it is performed by a group. Specific functions include setting data standards and policies and providing a forum for conflict resolution.
What are the three factors that need to be addressed in database application tuning?Realistically, the tuning of a database application can be broken down into three components: system tuning, database tuning, and application tuning. All of these are related, and database performance management requires an integrated approach to tuning across each of these areas.
Article first time published onWhat are the factors affecting the purchasing decision for DBMS software quizlet?
Q3- What are the factors affecting the purchasing decision for DBMS software? Cost. This includes the original purchase price, along with maintenance, operational, license, installation, training, and conversion costs.
Which of the following is not an example of database?
Answer: b) DB2 is not an example of DBMS.
Which of the following is a function of the database?
Explanation: It allows authorized users to update, store, manipulate, or access data. Since data is stored in table format it is easy to access the data and perform the required functions. It also removes duplicate and redundant data.
What is the difference between data administration and database administration?
Data admin analyzes the database for relevant data. Database admin optimizes and maintains the database.
Which of the following is part of the administrative policy to secure a database?
1)Limiting particular areas within a building to only authorized people2)Authentication policies3)All of the above.4)Ensure appropriate responses rates are in external maintenance agreements5)NULL
Which of the following is data model?
Que.Which of the following is a Data Model?b.Relational data modelc.Object-Based data modeld.All of the aboveAnswer:All of the above
What is an installation of a database?
Although there are substantial differences among the installation procedures for each type of database, all installation types include the following basic steps: Install the base software. Configure the database for backup. Set up a user account that Services Gatekeeper will use to access the database.
Are the people who are responsible for managing the entire DBMS?
Database Administrators (DBA) This may be one person or a group of people in an organization responsible for authorizing access to the database, monitoring its use and managing all of the resources to support the use of the entire database system.
What are the requirements of any DBMS application for installation on server?
Some of the prerequisites and requirements for installing SQL Server 2017 include a user account of Microsoft’s platform through which the download must be made, NTFS or ReFS drive format, 2.0 GHz process speed, 6.0 GB of free hard drive space, and 4.0 GB of memory.
What are the main measures of performance of the database system?
- Database Throughput. Database throughput is one of the most important database performance metrics. …
- Database Response or Latency. Database Response is one of the most common database performance metrics. …
- Database Connections. …
- Number of errors. …
- Most Frequent Queries.
What do you know about database?
A database is an organized collection of structured information, or data, typically stored electronically in a computer system. A database is usually controlled by a database management system (DBMS). … Most databases use structured query language (SQL) for writing and querying data.
What makes a database efficient?
The overall performance of a database depends largely on its efficiency. Many factors can affect efficiency, including how indexes are used, how queries are structured, and how data is modeled. Consequently, making small tweaks to any of these elements can have a significant impact.
What are the factors affecting the purchasing decision for DBMS software?
- Data Model. …
- Data Consistency. …
- Data Security. …
- Data Protection. …
- Multi Access and Integration. …
- Efficiency. …
- Usability. …
- Implementation and Service Costs.
What is the difference between decision support data and operational data?
Operational data represent transactions as they happen in real time. Decision support data are a snapshot of the operational data at a given point in time. … Whereas operational data are characterized by update transactions, decision support data are mainly characterized by query (read-only) transactions.
What do specialization hierarchies do?
What do specialization hierarchies do? Creates a tree structure and offers better organization between similar entities. Creates better relationships and allows for easier retrieval. … Specialization is the result of taking subsets of a higher level entity set to form a lower level entity set.
What are database examples?
- Examples: Microsoft SQL Server, Oracle Database, MySQL, PostgreSQL and IBM Db2.
- Examples: Apache Cassandra, MongoDB, CouchDB, and CouchBase.
- Examples: Microsoft Azure SQL Database, Amazon Relational Database Service, Oracle Autonomous Database.
Which of the following is not a database system?
1. Which of the following is not a system database? Explanation: Northwind is a sample database.
Which of the following is an example of database management system?
Some DBMS examples include MySQL, PostgreSQL, Microsoft Access, SQL Server, FileMaker, Oracle, RDBMS, dBASE, Clipper, and FoxPro. Since there are so many database management systems available, it is important for there to be a way for them to communicate with each other.
What is database administrator in DBMS?
A Database Administrator (DBA) is individual or person responsible for controlling, maintenance, coordinating, and operation of database management system. … Their role also varies from configuration, database design, migration, security, troubleshooting, backup, and data recovery.
How do you differentiate the responsibilities of database user database designer database administration?
DBA handles the performance, integrity and security of a database. Database Engineer handles the physical and logical models of a Database. 5. DBA develops and manages the recovery plan and back ups.
