Stop the pump extract3. The list contains questions useful for basic, freshers and experienced oracle professionals.Download Complete Oracle Interview Questions PDF. Q. How is the RESTARTCOLLISION parameter different from HANDLECOLLISIONS?Ans:The RESTARTCOLLISION parameter is used to skip ONE transaction only in a situation when the GoldenGate process crashed and performed an operation (INSERT, UPDATE & DELETE) in the database but could not checkpoint the process information to the checkpoint file/table. Q. Make sure that the primary extract is reading the end of the redolog and that there is no LAG at all for the processes.5. RMAN Support for mined archive logs, Q. As the data load increases I see that extract starts lagging behind by an hour (or more) and database performance degrades. Oracle Interview Questions and Answers. 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). According to research, Oracle SOA has a market share of about 32.2%. Top Oracle Forms And Reports Interview Questions Oracle Forms Interview Questions. We want to setup one-way data replication using Integrated Extract for my Oracle database running 10.2.0.4. What is referred as a View? With Integrated Delivery, where can we look for the performance stats?Ans:Yes with 12c, performance statistics are collected in the AWR repository and the data is available via the normal AWR reports. The list contains questions useful for basic, freshers and experienced oracle professionals.Download Complete Oracle Interview Questions PDF. 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. Let’s get ahead to prepare with the latest AWS database interview questions and answers. Q. Slow or overburdened Network. Consolidation6. Q. I have configured Oracle GoldenGate integrated capture process using the default values. How would you do it?Ans:In OGG you can configure replicat at the data at the schema level or at the table level using TABLE parameter of extract and MAP parameter of replicat.For replicating the entire database you can list all the schemas in the database in the extract/replicat parameter file.Depending the amount of redo generation you can split the tables in a schema in multiple extracts and replicats to improve the performance of data replication. Phew—there are a lot of questions to answer, and a lot of people to work with to get the answers. Are you preparing to attend an Oracle interview … I interviewed at Oracle (Redwood Shores, CA). trainers around the globe. An alert is a window which appears in the center of the screen and overlays a portion of the current play. Each question contains their answer also. Extract3. Cascading, Q. Q. Here are a few questions and answers you may find interesting. Is this possible?Ans: Only one Extract process can write to one extra at a time. 12) Mention what is split brain syndrome in RAC? Automatically adjusts threads when RAC node failure/start8. So you can’t configure multiple extracts to write to the same exttrail. How would you look at a trail file using logdump, if the trail file is Encrypted?Ans:You must use the DECRYPT option before viewing data in the Trail data.List few useful Logdump commands to view and search data stored in OGG trail files.Below are few logdump commands used on a daily basis for displaying or analyzing data stored in a trail file.$ ./logdump – to connect to the logdump promptlogdump> open /u01/app/oracle/dirdat/et000001 – to open a trail file in logdumplogdump> fileheader on – to view the trail file headerlogdump> ghdr on – to view the record header with datalogdump> detail on – to view column informationlogdump> detail data – to display HEX and ASCII data values to the column listlogdump> reclen 200 – to control how much record data is displayedlogdump> pos 0 – To go to the first recordlogdump> next (or simply n) – to move from one record to another in sequencelogdump> count – counting records in a trail. Shared storage3. Q. Q. Oracle interview questions !!! 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. 1) What are the major changes in architecture for 12c. RAW data type is used in storing values in binary data format. ETL stands for Extract-Transform-Load. 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. Q. However there are compressed tables in the environment. Migrating a Database across platforms. Instead of specifying actual USERID and Password in a command or a parameter file, you can use an alias. Here is a list of 60 interview questions about Oracle Database with their answers. Explore Oracle GoldenGate Sample Resumes! 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. 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. The source would be the extract trail files which use the configuration of the adaptor settings to generate CSV files. 64 data migration interview questions. 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. EXTRACT NAME2. Q. How can you setup replication for this table?Ans:OGG by default assumes that the sources and target tables are identical. Q2. Considering the challenges that client could face in following a migration to Fusion Apps, Oracle is well recommending a “coexistence” approach that helps existing customers of a selected Oracle application. In Oracle RAC, all the instances/servers communicate with each other using a private network. In this scenario, OGG provides a parameter called ‘FORMAT RELEASE’ which allows customers to use different versions of Oracle GoldenGate Extract, trail files, and Replicat together.Example: RmtTrail /u01/app/oracle/dirdat, Format Release 11.1Note: The input and output trails of a data pump must have the same trail file version. Coordinated Replicat3. It also supports various object types that were previously not supported by Classic Capture.5. It’s a must for everyone to learn SQL. 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. Data Encryption using Blowfish.2. Interview. 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). Mention Oracle DBA Characteristics. Going forward preference should be give to create new extracts as Integrated Extracts and also to upgrade existing traditional Extracts. ... starts with the basic SQL interview questions and later continues to advanced questions based on your discussions and answers. It is an essential concept in Data Warehousing systems. An undersized STREAMS_POOL_SIZE or limiting the streams pool to use a specific amount of memory can cause troubles.The best practice is to allocate STREAMS_POOL_SIZE at the instance level and allocate the MAX. Take extra precaution to perform the initial load during the non-peak time so that you don’t run into resource contention. BATCHSQL2. 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