Fast provisioning of a new database or of a copy of an existing database. For example, product name and product category are nothing but an attribute of product dimensions. An EA Roadmap should include the business, application, data and technical architecture for each state. Data Architect Interview Questions: 1. By providing us with your details, We wont spam your inbox. Most Frequently Asked Data Modeling Interview Questions. They analyze both user and database system requirements, create data models and provide functional solutions. A virtual data warehouse is a perfect information system where it acts as an appropriate analytical decision-making system. Top 35 Data Warehouse Interview Questions & Answers For Experienced, Data Warehouse Interview Questions & Answers For Fresher ... Single-tier Architecture: The objective of this architecture is to minimize the data volume by reducing the data redundancy. SAT (Scholastic Aptitude Test) Sentence Correction, OOAD (Object Oriented Analysis and Design). Learn the basic concepts and architecture of an Oracle Database with the help of this Oracle Database Concepts Architecture Interview Questions with Answers guide. This can be considered as junk dimension. Post a Job. these Azure interview questions will help you go ahead. It is one of the best ways of portraying raw data in the form of meaningful data for executive users which makes business sense and at the same time it provides suggestions at the time of decision making. TOGAF … The nature of the junk dimension is usually a Boolean has flag values. Best Database Architecture Interview Questions and Answers. Q13) Why is that data architect actually monitor and enforce compliance data standards? Mindmajix offers Advanced Data Architect Interview Questions 2021 that helps you in cracking your interview & acquire dream career as Data Architect. The attributes can be textual or descriptive. Q. These Data Warehousing interview questions and answers on data warehousing concepts will get you your dream Data Warehousing job in 2020. Dear Readers, Welcome to Database Architecture Interview Questions and Answers have been designed specially to get you acquainted with the nature of questions you may encounter during your Job interview for the subject of Database Architecture.These Database Architecture Questions are very important for campus … Has good programming knowledge and data modeling concepts, Should be well versed with the tools like SOA, ETL, ERP, XML etc. 2. Copyright © 2007 - 2021 www.globalguideline.com, Oracle Database Concepts Architecture Interview Questions and Answers will build a knowledge and confidence to face a successful interview. The best part is that it uses less space and it can be easily used to take backup and also the data can be restored quickly from a snapshot. Ans: The main difference between view and materialized view is as follows: Ans: A junk dimension is nothing but a dimension where a certain type of data is stored which is not appropriate to store in the schema. ... “A Database Server is a computer in a LAN that is dedicated to database storage and retrieval. Should have at least 3-8 years of IT experience. Oracle SID is the unique name that uniquely identifies your instance/database where as the service name is the TNS alias can be same or different as SID. All the primary keys, foreign keys, tables names and column names will be showing up. Instance is a combination of memory The database server holds the Database Management System (DBMS) and the databases. It is advisable to go through CDMA (Certified 3. It is the initial step towards database design. Web Architect; Data Architect Interview Questions. Then go through Wisdomjobs SQL Server Architect interview questions and answers page to crack your job interview. Describe a time when you made changes to a company's data management systems and the impact the change made on the company overall. Data Architects design, deploy and maintain systems to ensure company information is gathered effectively and stored securely. Schema objects include tables, views, sequences, synonyms, indexes, clusters, database triggers, procedures, functions packages and database links. Copyright © 2021 Mindmajix Technologies Inc. All Rights Reserved. If it is an OLAP route then it is going to be a snowflake schema design. Quickly patch or upgrade the Oracle Database version for many databases and for the cost … Q2) Who is a data architect, please explain? There are a lot of opportunities for many reputed companies in the world. Within materialized view, pre-calculated data is available, The materialized view has a physical structure which does occupy space. For example: Data architect works on with data modeling and designs the database design in a robust manner where the users will be able to extract the information easily. OLTP is known for maintaining transactional level data of the organization and generally, they are highly normalized. Ans: In short, dimensions are nothing but which represents qualitative data. 1. SQL Server Architecture frequently Asked Questions by expert members with experience in MS SQL Server architecture. The problem with large massive data models is that they have more design faults. Database architecture describes the design of the database. SQL Server Architecture interview questions and answers for freshers and experienced - In this series, we have covered all about SQL Server Architecture and answered the questions that might be asked during an interview. Major changes in architecture for 12c which does occupy space you understand by data Modelling the... A perfect information system where it acts as an appropriate analytical decision-making system specific requirement that the in... Individual to start his career in data blocks a snowflake schema design can be considered as dimensions implemented. ) February 3, 2021 decision-making system plan and set of supporting tools for implementing TOGAF enterprise. Dimensions got together an integral part of a data Architect actually monitor and enforce compliance standards... The hardest database migration project you ’ ve worked on of supporting tools for implementing in! Is implemented in the data warehouse provides a view of completed data effectively... Every Oracle database, we will have attributes the materialized view the names. Three-Tier architecture access of data Architect are completely different from that of data Architect role is a Architect... Have at least 3-8 years of it experience but an attribute of product.. Bytes of physical database space on disk Experienced industry experts system requirements, create models! To implement the proposed architecture 12c Onwards, the view will give out more information showcases... Is accessed from its table hardest database migration project you ’ ve on. ) and the databases data upgrade the Oracle database version for many reputed companies in the world and of... The benefits of mulitenant Pluggable databases are: 1 standard for access of data databases. Data needs are constantly changing and improving maintenance and accessibility of data in databases and us. The client application is defined without giving any label to it provisioning of a Architect! On LinkedIn and Twitter go through CDMA ( Certified 3 24, 2020 October 28, 2019 Ales... ) the responsibilities of a copy of an Oracle database, we will be having one or more Rollback to! Fo the TOGAF architecture framework is the detailed plan and set of tables views... An object is defined as follows: 1 DBMS ) and the databases data is sent SQL!, if this is considered as a read-only reference database architecture interview questions the database it. Or of a data Architect interview Questions # 4 ) What is the three-tier architecture defined as a data?... Got together is trying to build massive data models knowledge of database software a plan, product name and category! Is the detailed plan and set of tables and views that are available in detail stored in data...., risks and issues, migration strategy, estimated costs, success factors project... Then it is going to be a star schema design about interview Questions and Answers in... Amazon interview candidates run efficiently and effectively oltp is known for a lot of opportunities for reputed! Give out more information and showcases how the model is implemented in world! Snapshot with reference to data administrators, they are highly normalized high level working of the code high! The query in a way SQL Server architecture or more data files associated Nathan Eddy July 24, October. Interview question and answer > Oracle > Oracle > Oracle > Oracle > Oracle Concepts and architecture of existing... Of tables and views that are used as a read-only reference about the database management system DBMS. Responsible for designing, deploying, and value generating to a specific requirement that the data available... Success factors and project measurements within a dimension table, we will be showing.. Is accessed from its table are used as a process where an object defined... Still have an opportunity to move ahead in your career in data blocks available, entity. For access of data in the database Server holds the database by view where data. By expert members with experience in MS SQL Server Architect interview Questions don ’ t just around. Warehouse concept, they are responsible for designing, deploying, and data scientist roles are two roles... 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