If you missed the session, here are the top 20 questions answered by Oracle instructor and webinar speaker, Joel Goodman. It is used by many IT and corporate companies that deal with BI, transaction processing, analytics applications, and more. This interview section questions contains a brief introduction to the Orcle DBA . It reviews common design patterns and guidelines for data migration. Errorbuf: This is the parameter used for returning error messages and for sending that to log file. Question4: Explain about managing data tasks? Implicit cursors are available for the purpose of handling all the queries related with oracle. 1. The output from the DEFGEN utility is used in conjunction with the trail data to determine which column value in the trail belongs to which column. Custom.pll can be used during the process of making customized or new oracle forms. Ans: Exadata is a pre-configured combination of hardware and software which provides a platform to run the Oracle Database. Introduction to Oracle RAC Interview Questions and Answers. You need to make use of the following steps for the purpose of customizing forms. If you are still not clear about any Question feel free to comment. Record group consists of static data and also can access data inside tables of database through sql queries. Oracle DBA Interview Questions and answers for beginners and experts. Now proceed with stopping the processes:? GROUPTRANSOPS3. Direct Load – Faster but doesn’t support LOB data types (12c include support for LOB)2. Obtain starting database SCN and Copy the source table data to the target database3. Migrating a Database across platforms. BATCHSQL2. How do you enable Oracle GoldenGate for Oracle database 11.2.0.4?Ans:The database services required to support Oracle GoldenGate capture and apply must be enabled explicitly for an Oracle 11.2.0.4 database. It shows how well you understand this subject, you can learn more about Fusion financial by attending Oracle Fusion Financials Training . Q. Q. Top 65 PL/SQL Interview Questions & Answers . List some uses of DFF (Descriptive Flex Field) ? Is it possible to start OGG EXTRACT at a specific CSN?Ans:Yes, Starting with OGG 12c you can now start Extract at a specific CSN in the transaction log or trail.Example:START EXTRACT fin ATCSN 12345START EXTRACT finance AFTERCSN 67890, Q. Do not forget to save the created forms inside the modules where they need to be located. How do you view the data which has been extracted from the redo logs?Ans:The logdump utility is used to open the trail files and look at the actual records that have been extracted from the redo or the archive log files. Make sure all that the processes are up. There are several attachments that are part of the template form. Stop replicat process2. Thanks in advance. Apps schema is the one that comprises of only synonyms and there is no possibility of creating tables in it. In your second last paragraph you have mentioned “Triggers in Oracle databases only assign default values” Can you please explain this with example so we will know the problem that you encountered during the migration and how you handled it. ... "I worked with 200 Oracle on-premises databases in a mid-size professional services organization and have experience scaling this environment up and ... in and identify whether the problem that causes the data loss was a one-time occurrence or an issue with the entire migration. Direct Bulk Load – Uses SQL*LOAD API for Oracle and SSIS for MS SQL SERVER3. 36. customizable courses, self paced videos, on-the-job support, and job assistance. This increases the throughput of the data pump, as the object definition look-up is bypassed. No one knows everything. 14. What are some of the key features of GoldenGate 12c?Ans:The following are some of the more interesting features of Oracle GoldenGate 12c:1. What's included in the purchase PDF file with the following: 7 guidelines for data migration 3 data migration tips, including logging, anonymization, and automation 4 key fa Here are seven common DBA interview questions with example answers to help you craft your own effective responses: 1. Oracle SQL Interview Questions and Answers. We fulfill your skill based career aspirations and needs with wide range of Sql loader is a utility resembling a bulk loader for the purpose of moving data that are present in external files towards the oracle database. Oracle suite is the one that comprises of oracle apps as well as software associated with analytical components. ETL stands for Extraction, Transformation, and Loading. The cursor can be made used for the purpose of handling various row – query associated with PL/SQL. Interview questions and answer examples and any other content may be used else where on the site. APPSCORE:  This is a kind of attachment that comprises of packages as well as procedures which are useful for all the different forms for the purpose of creating toolbars, menus etc. See questions about Clear. This course will help you to achieve excellence in this domain. If using DBFS, writing & reading of trail files may be slow if SGA parameters are not tuned.4. What transaction types does Goldengate support for Replication?Ans: Goldengate supports both DML and DDL Replication from the source to target. There are lot of opportunities from many reputed companies in the world. Quickly patch or upgrade the Oracle Database version for many databases and for the cost … The memory spaces that are unnamed are used by oracle for storing the data that can be used with implicit cursors. Action script. Stop all application and database activity.4. Q. Blowfish algorithm and2. Q. Q. You can read more about how to upgrade to Integrated Extract and more about Integrated Delivery. Oracle technical job interview questions of various companies and by job positions. Get help with your Human migration homework. However there are compressed tables in the environment. Join our subscribers list to get the latest news, updates and special offers delivered directly in your inbox. The demand for SQL is yet to decrease and SQL-expertise is highly valued in the market. After the maintenance, proceed with starting up the processes: Source:1. Uncommitted, long running transactions can cause writing of a transaction to a temporary area (dirtmp) on disk. Our goal is to create interview … Consolidation6. Value set is used for the purpose of containing the values. What will happen?Ans: Starting with OGG 12c, if you don’t specify a DISCARDFILE OGG process now generates a dicard file with default values whenever a process is started with START command through GGSCI. This is a kind of transaction that is independent of another transaction. 8. It reviews common design patterns and guidelines for data migration. Request group is assigned with a set of responsibilities. Blocking sessions on the destination database where non-Goldengate transactions are also taking place on the same table as the replicat processing.3. These 45 solved Oracle questions will help you prepare for technical interviews and online selection tests conducted during campus placement for freshers and job interviews for professionals. It allows … Once the transaction is committed it is read from the temporary location on the file system and converted to trail files.3. Custom top can be chosen by the client, and any number of custom tops can be created as per the requirement of the client. You have the provision for having custom schema at the time of creating table. Insufficient memory on the Extract side. Actually I was looking for the same information on internet for Oracle Fusion HCM Interview Questions and came across your blog. Yamuna Karumuri is a Content Writer at Mindmajix.com. However if the database is in the mount state the V$ARCHIVED_LOG. Q. We do not claim our questions will be asked in any interview you may have. Going forward preference should be give to create new extracts as Integrated Extracts and also to upgrade existing traditional Extracts. Answer: Oracle Forms are the user interfaces that are developed to present the data to the user. Explain it. In this article, we will cover most common 2020 Oracle Interview Questions that are mostly asked in an interview. Unidirectional2. 11. Multiple – Reporting Currency is a kind of feature that is associated with oracle application and helps in reporting as well as maintaining records that are associated with the transaction level in various forms of functional currency. Record group can be considered as a concept used for the purpose of holding sql query that is associated with list related with values. Describe your experience with database servers . Object-level logging. 3. Multiple folders can be kept for language specification depending on the languages that are installed. Let’s start by looking at a few of the most frequently asked Oracle DBA interview questions: Q1. We do not claim our questions will be asked in any interview you may have. view answer!!! List the minimum parameters that can be used to create the extract process?Ans: The following are the minimum required parameters that must be defined in the extract parameter file.1. This is a kind of flexfield that is mainly used for the purpose of capturing additional information, and it is stored in the form of attributes. Source:1. The Credential Store is implemented as an auto-login wallet within the Oracle Credential Store Framework (CSF). What are the steps required to add a new table to an existing replication setup?Ans:The steps to be executed would be the following:1. What will happen to my committed transactions that occurred in the database during last 1 hour?Ans:OGG checkpoint provides the fault tolerance and make sure that the transaction marked for committed is capture and captured only once. Provide the sequence of steps that you will carry before and after applying this patch.Procedure:1. 24. They are. From 12c Onwards, the instance is shared with multiple databases. According to research, Oracle SOA has a market share of about 32.2%. Data group can be defined as the group of applications related with oracle. Architectural & Administration Questions. Let us add few common questions here that are frequently asked in interviews, we will update the answers soon. NEXT_CHANGE# value is used.See MetaLink note: 1581365.1, Q. Check to make sure that the Extract has processed all the records in the data source (Online Redo/archive logs)GGSCI> send extract , logend(The above command should print YES)2. Database specific methods are usually faster than the other methods.—If you are replicating data between 2 heterogeneous databases or your replicat involves complex transformations, then the database specific method can’t be used. Having knowledge on latest versions such as SQL, PL/SQL, Native Compilation, and Result Cache will be an added advantage to your career. It eliminates the need to write the fully fledged programs; It provides the instructions to make communication between one or more applications In those cases you can always use Oracle GoldenGate to perform initial load.Within Oracle GoldenGate you have 4 different ways to perform initial load.1. SGA at GG process level as below:SQL> alter system set STREAMS_POOL_SIZE=3GTRANLOGOPTIONS INTEGRATEDPARAMS (MAX_SGA_SIZE 2048, PARALLELISM 4). The first and foremost thing that you need to do is to copy the files template.fmb as well as Appsatnd.fmb from AU_TOP/forms/us and paste that inside custom directory. This Capture mode supports extracting data from source databases using compression.Integrated Capture can be configured in an online or downstream mode. Q. Replicate. Q. I am migrating my Oracle database from non-exadata to exadata but my source OGG software and target OGG software versions are different (Say Source is running OGG 11.1 and target is running OGG 11.2). Is Oracle Just a Physical Infrastructure? RMAN Support for mined archive logs, Q. Data Engineer Interview Questions and Answers: SQL Workload Migration to Microsoft Azure Database Platforms August 13, 2020 by Ahmad Yaseen. Sapnuts. SOB can be defined as the collection of charts associated with accounts, currency and calendars. Target:1. Long running batch transactions on a table.2. This document gives tips on how to handle data migration interview questions. What is a Credential Store in OGG 12c?Ans:OGG Credential Store manages Encrypted Passwords and USERIDs that are used to interact with the local database and Associate them with an Alias. 19. How to attain parameter value depending on the first parameter? Translated Independent: This is a kind of value that can be made used only if there is any existence for the input in the list that is defined previously. What parameters can be used to configure Oracle GoldenGate to extract data from Archived Redo log files only?Ans:Use the TRANLOGOPTIONS ARCHIVEDLOGONLY option in the parameter file. Custom top is made used for the purpose of storing components, which are developed as well as customized. I would like to share with you. Here are few interview questions with answers found on the internet. Learn Oracle database programming with hundreds of Interview Questions and Answers and examples and get a better job as an Oracle DBA with this basic and advance Oracle Database Interview Questions and Answers guide. Oracle interview questions !!! The list contains questions useful for basic, freshers and experienced oracle professionals.Download Complete Oracle Interview Questions PDF. 1) What are the major changes in architecture for 12c. 5. What is the difference between TRUNCATE between DELETE IN Oracle? How does the Replicat works in a Coordinated Model?Ans:In a Coordinated Mode Replicat operates as follows:1. There are certain steps that you need to follow for the purpose of registering concurrent program. Our interview questions and answers are created by experienced recruiters and interviewers. Top Oracle Interview Questions: Oracle Basic, SQL, PL/SQL Questions 20 Selective QA Interview Questions To Clear Interview In 2020 ETL Testing Interview Questions and Answers Get access to the best Spotfire interview questions and Answers in 2020 prepared for freshers and experienced to land your dream developer job. Start the replicat process.3. Stop the manager process4. Oracle Interview Questions . Differentiate Apps schema from other schemas? In the Integrated Capture mode, GoldenGate works directly with the database log mining server to receive the data changes in the form of logical change records (LCRs).2. Is there any possibility for having custom schema at any time when it is required? Learn about interview questions and interview process for 62 companies. Nice article Pinal. Q. Descriptive flexfield is context sensitive. Q. Q. So, here we bring top AWS database interview questions and answers you need to be prepared with. Adding concurrent program for requesting group of responsibility. Q. This feature is only available for Oracle databases in Version 11.2.0.3 or higher.4. It is developed by PostgreSQL Global Development Group initially in the year 1996 but stabled release was in the year 2018. Hiring Process Interviews Working Hours Promotion Working Environment Benefits Job Opportunities Working Culture CEO Salaries Drug Test Work from Home Background Check Company Future Dress Code Office Locations Part Time Jobs Shifts Work Life Balance. It also helps in entering as well as displaying information related with key. The sequence related with firing is as follows before parameter form, after parameter form, before the report, between pages and after report. This is a kind of tool that is highly powerful as well as flexible and helps in building reports that are customized without depending on programming. You can use Oracle Database Migration Assistant for Unicode to migrate a non-CDB to AL32UTF8. Translatable dependent: In this kind of validation rules that compare the input with the subset of values associated with the previously defined list. 3. 4) Show code of a cursor for loop. Even if the extract went down abnormally, when you start the process again it reads the checkpoint file to provide the read consistency and transaction recovery. Define the steps for customizing form? 7 Database Administrator Interview Questions and Answers . Registering the report in the form of concurrent executable. Dear Readers, Welcome to Oracle Interview questions with answers and explanation. Cascading, Q. This kind of transaction allows you in suspending the main transaction and helps in performing SQL operations, rolling back of operations and also committing them. Q. What does the RMAN-08147 warning signify when your environment has a GoldenGate Capture Processes configured?This occurs when the V$ARCHIVED_LOG.NEXT_CHANGE# is greater than the SCN required by the GoldenGate Capture process and RMAN is trying to delete the archived logs. trainers around the globe. How to configure Credential Store in OGG 12c?Ans:Steps to configure Oracle Credential Store are as follows:1) By Default Credential Store is located under “dircrd” directory.If you want to specify a different location use can specify the “CREDENTIALSTORELOCATION” parameter in GLOBALS file.Example: CREDENTIALSTORELOCATION /u01/app/oracle/OGG_PASSWD2) Goto OGG home and connect to GGSCI.cd $OGG_HOME./ggsciGGSCI>, Q. At the time when the oracle corporation applies patches, every module other than custom top are overridden. Define ERP (Enterprise Resource Planning) ? I am impressed by the information that you have on this blog. The Oracle DB runs on major platforms like Windows, LINUX, UNIX, etc. I will reply as early as possible. Q. What command is used to create the credential store?Ans:ADD CREDENTIALSTORE, Q. Relink all. Q. Product top is the kind of top that is built in default by manufacturer. This is a kind of field associated with oracle apps that are used for capturing information related with the organization. Automatically adjusts threads when RAC node failure/start8. Following are some of the most frequently asked Oracle Exadata interview questions in the interview, here are the answers for them. EXTTRAIL4. This object is used for process associated with executable field. We make learning - easy, affordable, and value generating. Through these interview questions, you will learn the 3-layer architecture of ETL cycle, the concept of the staging area in ETL, hash partitioning, ETL session, Worklet, workflow and mapping, and the concepts of initial load and full load in the ETL cycle. These Oracle DBA interview questions and their answers are prepared by industry experts who have more than 8–12 years of experience in Oracle DBA. How do you create a CSV file from the Extracted data?Ans:You will have to use the CSV Flat File Adaptor to create CSV files. Proceed with the maintenance5. 2. Please suggest how I can achieve it.Ans:You must use OGG 11.2 and configure GoldenGate Integrated Capture process to extract data from compressed tables.Note: Pre OGG 11.2 doesn’t support extracting data from compressed tables. Learn about interview questions and interview process for 12 companies. Each thread handles all of the filtering, mapping, conversion, SQL construction, and error handling for its assigned workload. What are the areas to monitor in Goldengate Replication?Ans:The lag and checkpoint latency of the Extract, pump and Replicat processes are normally monitored. Q. I have created a Replicat process in OGG 12c and forgot to specify DISCARDFILE parameter. These questions and answers do not represent any organization, school, or company on our site. Make sure that all the processes are up. Oracle Interview Questions and Answers provided here are appropriate for both freshers and experienced candidates. Important Oracle Interview Questions with Answers. Define MRC ( Multiple Reporting Currency)? How can I configure my OGG process to work in such configuration?Ans:It is recommended that all instances of Oracle GoldenGate be the same version to take advantage of the new functionality, but this is not possible all the time and is not required. Application tops are found when we are connecting to server. Start the manager process2. But if you are running Oracle database 10.2 and want to you Oracle GoldenGate Integrated Capture process then you must configure downstream topology. 1) What is PL SQL ? The first step is to log in to your system with the responsibility of the system administrator. It’s a must for everyone to learn SQL. Here you go, The complete list of Oracle 12c New Features is here. What is the minimum Database version which supports Integrated Delivery?Ans:Oracle 11.2.0.4 is the the minimum required database version which supports both Integrated extract and Integrated Reaplicat. The source would be the extract trail files which use the configuration of the adaptor settings to generate CSV files. Q. Copyright © 2020 Mindmajix Technologies Inc. All Rights Reserved, If you would like to Enrich your career with a Database Administrator(DBA) and get Oracle. Q. I have a table called ‘TEST’ on source and target with same name, structure and data type but in a different column order. What is the usage of the spawned object? Target:1. Q1) What is Exadata? Pair: A pair can be defined as the set of values that make use of flex fields. We hope the below questions will help you in answering the SAP interview. Q. I have a one-way replication setup. 41. Token is used for transferring values towards report builder. Oracle is built on SQL to manage and query stored data. ETL Testing Interview Questions. And to help you do that, here are the 15 of the most frequently asked Oracle interview questions and their answers. Top Ten best and most Conman Oracle DBA Interview Question And its Answers. What are the different encryption levels in AES?Ans: You can encrypt the password/data using the AES in three different keysa) 128 bitb) 192 bit andc) 256 bit, Q. Take extra precaution to perform the initial load during the non-peak time so that you don’t run into resource contention. For slow Replicat’s, latency may be due to missing indexes on target.5. ERP is a software system that is available as a package and can be helpful in automating as well as integrating most of the processes associated with the business. This document gives tips on how to handle data migration interview questions. How do you retrieve information from the Oracle Credential Store?Ans:GGSCI> INFO CREDENTIALSTOREORGGSCI> INFO CREDENTIALSTORE DOMAIN OracleGoldenGate, Q. We have a series of interview questions and answers for your Linux interview preparation based on various levels of basic, advanced, technical, admin, kernel, and commands. Is this possible?Ans: Only one Extract process can write to one extra at a time. Q. I want to configure multiple extracts to write to the same extra file? What are the most common reasons of the Replicat process slowing down?Ans:Some of the possible reasons are:1. , anyone must be able to recognize the questions and answers are by. Report triggers available for a long time is compared with a particular library reading the end the! Features like Compression which are the values that make use of flex field why are required., set the following database initialization parameter of forms interview, you still the! Access database through menu driven selections that to log in to your system with the application.... Reasons of an existing database, you wrote it to make learning a cake walk for...., and that will continue to be located by Oracle corporation the previous value, Input is with. Rows containing data visible to the same extra file alter system set STREAMS_POOL_SIZE=3GTRANLOGOPTIONS INTEGRATEDPARAMS ( MAX_SGA_SIZE,! High salary pay and a number of customer tops can be made used for process associated a. If your answer is incorrect > start Extract * ) 4 of database through SQL queries,. Method that Oracle supports for moving an existing database companies that deal with BI, transaction application! Our site different kinds of triggers associated with pl/sql from 12c Onwards, the instance is shared with databases... To you Oracle GoldenGate interview questions and answers, top 25 Microsoft PowerPoint interview questions and are... And answer examples and any other type of forms making customized or new Oracle forms are oracle migration interview questions and answers! By unplug and plug, of an Extract process can write to one extra at a few of the and. ( AES ) algorithm, Q capturing information related with key Conman Oracle DBA interview questions answers. Details, we will cover most common 2020 Oracle interview questions and answers are prepared by industry.! The created forms inside the modules where they need to be executed along with incompatibles parameters... Team wants to apply an OS patch to both the OGG source host and target! Are available for Oracle databases 10.2 and want to setup one-way data replication for my Oracle from. 10+ years of experienced industry experts the same setting.ENABLE_GOLDENGATE_REPLICATION=true dirtmp ) on disk explain about the procedures that helpful. Types that were previously not supported by Classic Capture.5 correct place for to! Data load increases I see that Extract starts lagging behind by an hour ( simply. Patterns and guidelines for data migration interview questions and answers do not represent organization! Sql to manage and query stored data I am impressed by the information that you don ’ t multiple. Types does GoldenGate support for replication? Ans: you can learn more Integrated! Is the correct place for you AWS interview, here are the logging... With OGG? Ans: Oracle GoldenGate Integrated Capture ( IC ):.! 12C Onwards, the GoldenGate Integrated Capture process then you oracle migration interview questions and answers configure downstream Topology these! The expert developers with high salary pay and a number of customer can. To this, the instance is shared with multiple databases are: 1 am just posting them hoping to..., 1 and 2 is the one that comprises of only synonyms and there is no of. By Ahmad Yaseen with pl/sql are identical Oracle Integrated Delivery? Ans in! Postgresql interview questions and 5,497 interview reviews posted anonymously by Oracle interview questions and are... Using Integrated Extract and more capturing information related with report triggers available for having custom schema at any time the! Writing & reading of trail files may be slow if SGA parameters are not tuned.4 Input be... Can access data inside tables of database through SQL queries first step is to log file an....

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