Add datafile into tablespace in Oracle Most of the time due to the application’s DML operation, tablespace crosses their threshold. As everyone knows it’s a critical scenario, if we ignore/skipped adding space into tablespace it may cause the application at a hung state or the database to a hung or down. To avoid this cause […]
Step by Step guide for Schema Refresh using DataPump Utility Oracle Data Pump is a high-speed data movement utility provided by Oracle (10g onwards). It’s an extension to the old EXP and IMP utility with improved performance and enhanced security features. Here we are performing a schema refresh activity using Datapump: PARAMETERS SOURCE TARGET DATABASE […]
To Check the Object count of a Schema in Oracle Oracle object types are user-defined data types that make it possible to shape real-world entities such as customers and supply orders as objects in the database.Underneath the object layer, data is stored in a tabular format, that is in rows and columns but we can […]
How to check Connected Sessions along with Network Authentication in Oracle Here we are going to share SQL code to check connected sessions along with network authentications which show additionally network-related stuff like client connections, client version, client driver, network service banner, etc. In day-by-day usage as a DBA, we have to validate connected sessions, […]
What is Cluster and How can we find if a Database is running on Cluster Oracle Real Application Cluster provides its users to run a single database into multiple servers. These multiple servers act as a single system. It provides fast recovery at the time of any site failure. To avoid the outage and provide […]
Step by Step Utility “OPatch” Upgrade along with Latest Download Binary in Oracle I was applying the October patch on my 12.2.0.1 Oracle home and it got failed with the below error in prechecks due to the version of utility “OPatch” didn’t meet to minimum required version as per Oracle recommendations. So always recommended going […]
To check the size of table or segments in a schema in Oracle In an Oracle database, a segment is a set of extents that contains all the data for a specific logical storage structure within a tablespace. To be precise, segments contain the real data and they usually remain in the owner’s default tablespace […]
Steps to compile invalid public synonyms In my environment after doing an application upgrade some of the public synonyms get invalid. Below is the query to check invalid public synonyms or if you want to check the invalid objects in the database. Click here for sample output. Invalid object in database Below is SQL command […]
Find Date after Upgrade or Downgrade in Oracle Today, my one DBA friend asked about how to validate the database upgraded or downgraded from which version along with what was the date. So, I thought it better to publish which helps my DBA friends. Below is an SQL command to validate in the database about […]
Check Schema size in Oracle A schema in an Oracle database is defined as a collection of database objects and is owned by a database user. The schema name shares the same name as the user due to which both the terms are sometimes used interchangeably though they are not the same. The below query […]
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