Export backup with date and time

Data Pump Export (hereinafter referred to as Export for ease of reading) is a utility for unloading data and metadata into a set of operating system files called a dump file set. The dump file set can be imported only by the Data Pump Import utility. The dump file set can be imported on the […]

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Undo Segments are corrupted

Database is shutdown and can’t start it, asking for Undo recovery while dropping Undo tablespace Dropping a Undo tablespace give message The UNDOTBS for our RMAN Catalog database was dropped. Any attempts to switch to a newly created UNDOTBS or removing the old UNDOTBS failed with the following error: ORA-01548: active rollback segment Or Undo […]

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Oracle 18c: How to load data in Oracle Autonomous Data Warehouse Cloud

This article was written by Skant Gupta and Joel Perez in Oracle OTN. Full Index of Oracle Cloud Articles: Sir.CloudDBaaSjoelperez If you want to be updated with all our articles send us the Invitation or Follow us: Joel Perez’s LinkedIn: www.linkedin.com/in/SirDBaaSJoelPerez Skant Gupta’s LinkedIn: www.linkedin.com/in/skantali/ or Join our LinkedIn group: Oracle Cloud DBaaS Loading Data into Autonomous Data Warehouse Cloud Database   Data […]

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Read the Trace file from SQL Plus

Find trace file in Oracle The following script returns the path to the trace file that the current session writes. It returns the path whether or not tracing is enabled.

Check the value for user_dump_dest

Create a directory

Create a function

Now just the select the trace file name.

Thank you for giving your valuable […]

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Purge AUD$ Table Using DBMS_AUDIT_MGMT

  Introduction:- Oracle 11gR2 introduced DBMS_AUDIT_MGMT for managing audit trails.  The growth of AUD$ can impact the performance of the database. So purging it regularly is the best practice followed by DBA’s and DBMS_AUDIT_MGMT makes it easier. Follow below steps for purging aud$ table. 1. Make sure AUD$ table is not in SYSTEM table tablespace.   […]

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Prepare standby and configure primary database for far sync

This depend on distance between primary and standby and network bandwidth. So this feature that came with 12c resolve this situation. We are preparing a database one more. This database take archive–log primary database and then send this archive–log to standby. Primary and far sync standby database are sync, whereas far sync standby database and physical standby database are async. Let’s begin with creating the physical standby with FAR SYNC instance in place. First of […]

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Move Datafile From File System To ASM Disk In 11g

Today, we are going to learn about those steps which use to move Datafile from file system to ASM disk in Oracle 11g.Being an Oracle DBA we have deep knowledge of Datafiles. We know there importance of Datafiles in the database. Somes lines explain about the technical definition. A data file is a file that is […]

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Asmcmd New Features In Oracle 12c

Let’s have look on New Features in Oracle 12c of ASMCMD. Below are the new features of Oracle 12c version.   1. Connecting to ASM instance of remote node: Now we can connect to asmcmd prompt(asm instance) of remote node from local node. SYNTAX – asmcmd –inst < REMOTE ASM INSTANCE NAME>

2.Move ASM password file using pwmove: […]

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Steps for Create RAC Database Manually

Manual Creation of Database is a big task for DBA. This is the initial steps for setup the IT project. We know that we can create the database in two ways one is DBCA and another is  Manual. Creation of Database in RAC environment different from the Standalone database. In this post we are going have look on […]

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TWO_TASK Environment Variables Oracle 12c

There are two environment variables for Unix to connect an Oracle database.One of them is ORACLE_SID and the other one is TWO_TASK. ORACLE_SID is used for connecting a database which is installed to the same host. TWO_TASK is used for connecting an oracle database which is installed another host. I must thank to my fellow DBA […]

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