Oracle Database Cloud Service 2019 (1Z0-998)

Hi Readers Finally, I’ve successfully passed 1Z0-998, Oracle Database Cloud Service 2019. It was almost more than 1-2 months that I’ve been preparing for this. The Exam contains 74 questions related to Database service on OCI which includes cloud concept, backup, recovery, patching etc.. To earn this certification you need to get 67% marks. This was […]

Read More

List of Cloud Certification (OCI, AWS, GCP, Alibaba, Azure)

In this post, I covered detail of cloud certificaton from different cloud service providers. So, you can choose the certification as per your role and interest. List of certification in Oracle Infrastruture Cloud (OCI). Level Certification Exam Associate Oracle Cloud Infrastructure Classic 2018 Associate Architect (Retired) 1Z0-337 Associate Oracle Cloud Infrastructure 2018 Architect Associate 1Z0-932 […]

Read More

Oracle Cloud Infrastructure Foundations 2020 (1Z0-1085-20)

Hi Readers Finally, I’ve successfully passed 1Z0-1085-20, Oracle Cloud Infrastructure Foundations 2020 Associate. It was almost more than 2-3 weeks that I’ve been preparing for this. The Exam contains 60 questions related to OCI which includes cloud concept, core OCI services etc.. To earn this certification you need to get 68% marks. This was the result […]

Read More

Oracle Cloud Infrastructure 2019 (1Z0-1072)

Hi Readers Finally, I’ve successfully passed 1Z0-1072, Oracle Cloud Infrastructure 2019 Architect Associate. It was almost more than 2-3 months that I’ve been preparing for this. The Exam contains 66 questions related to OCI which includes storage, VCN, IAM, Compute, DNS etc.. To earn this certification you need to get 65% marks. This was the result of […]

Read More

Oracle Database Administration 2019 Certified Professional (1Z0-083)

Hi Readers Finally, I’ve successfully passed 1Z0-083, Oracle Database Administration 2019 Certified Professional. It was almost more than 3 months that I’ve been preparing for this. The Exam contains 85 questions related to Oracle Database 18c & 19c. To earn this certification you need to get 57% marks. Even with low passing score, it is most […]

Read More

OutOfMemoryError:Java Heap Space on OEM 12c Agent

Sometimes we face issues like OEM agent 12c crashed and found the below error messages on gcagent.log[/agent_inst/sysman/log/gcagent.log]. Cause: When an OEM agent collects metrics data, it uses java memory. If it does not have access to the required amount of java memory which is specified in the configuration, the OEM agent may crash. Solution: 1- […]

Read More

Difference Between Local Listener and Remote Listener

LOCAL_LISTENER is a listener that is running on the same machine as this instance. REMOTE_LISTENER is a listener that is not running on the same machine as this instance. Local Listener and Remote Listener concept comes with ORACLE RAC where a single database has multiple instances. Consider an example of 2 Node RAC Database which […]

Read More

How Delete Statement Works

When Oracle receives sql/Delete query, it requires to run some pre-tasks before actually being able to really run the query. During parsing, Database validate the syntax of the statement whether the query is valid or not. Database validate the semantic of the statement. It checks whether a statement is meaningful or not. If syntax/Semantic check […]

Read More

How Update Statement Works

When Oracle receives sql/update query, it requires to run some pre-tasks before actually being able to really run the query. During parsing, Database validate the syntax of the statement whether the query is valid or not. Database validate the semantic of the statement. It checks whether a statement is meaningful or not. If syntax/Semantic check […]

Read More

How Insert Statement Works

When Oracle receives sql/insert query, it requires to run some pre-tasks before actually being able to really run the query.   During parsing, Database validate the syntax of the statement whether the query is valid or not.   Database validate the semantic of the statement. It checks whether a statement is meaningful or not.   […]

Read More