Oracle database startup time1/29/2024 ![]() The below query gives the output of the last 10 start times of the database along with the timezone in Oracle, Click here for sample output. SQL> alter database open Database altered. Here we wait for about 10 minutes, then open the database. ![]() Select con_id,name,dbid,open_mode,open_time from v$containers ġ CDB$ROOT 2882898177 READ WRITE 05-MAR-19 04.17.12.279 PM +05:30Ģ PDB$SEED 2312485862 READ ONLY 05-MAR-19 04.17.12.638 PM +05:30ģ XEPDB1 3053402371 READ WRITE 05-MAR-19 04.17.25.287 PM +05:30Ĥ PDB2 3201890097 READ WRITE 05-MAR-19 09.47.41. Sometimes we have to find when the database is started with which timezone especially when the database is getting rebooted unknowingly in Oracle. Database Startup Time For database, the startup time is actually the open time. Oracle has so many functions like sysdate.Check Startup, uptime and creation time of PDB database Oracle instance startup and shutdown history is captured in alert log and same can be checked from the query using dbahistdatabaseinstance view. You can look at difference between current time and startup time. You can check startup time and uptime using vinstance view. So the question is you require to calculate the uptime. The startuptime field from vinstance view provides the time at which databases was started. SELECT database_name as “DB_Name”, to_char(logon_time,’DD/MM/YYYY HH24:MI:SS’) FROM v$session WHERE sid=1 In this tutorial you learn how to manage your Oracle Database instance. Select database_name as “DB_Name”,TO_CHAR(logon_time,’DD-MMM-YYYY HH24:MI:SS’) from V$Session where program like ‘ %PMON%’ An Oracle instance (also known as a database instance) contains the set of Oracle Database background processes that operate on the stored data and the shared allocated memory that those processes use to do their work. SELECT INSTANCE_NAME as “Name_of_Instance”,TO_CHAR(STARTUP_TIME, ‘HH24:MI DD-MMM-YY’) as “Database_Startup_History” FROM DBA_HIST_DATABASE_INSTANCE ORDER BY STARTUP_TIME DESC To start an instance using the parameter file TESTPARM without mounting the database, enter. You can check the startup history as well using following query, To start an instance using the standard parameter file, mount the default database, and open the database, enter. Select instance_name as “Database_name”,to_char(startup_time,’dd-mm-yyyy hh24:mi:ss’) as “The_Startup_Time” from v$instance We need to utilize the v$instance system view to get the historical information about the database in detail.You will get the startup information from following query , Question is- Is there any database views which will give you the information about the database history? We require to create a report which will give us the information about system uptime and start-time.We require to fetch the database history information and create a report. Real life industry scenario for How to check database uptime? If there is something wrong with database I see this in logs, but I have to wait 2-5 minutes. The application takes 2-5 minutes to start. Oracle database normal startup and shutdown history is ideally captured in the instance alert log. In short, database startup includes the following steps: 1. We term the entire steps as database startup. This document provides information to query information on the historical instance startup time. For any normal user to access the database, the instance has to be started up and it should mount and open the corresponding database. ![]() ![]() In this article i would like to give you the basic idea about – How to check database uptime? I would like to give multiple important queries for getting answer of the important interview question – How to check database uptime? Initially the oracle system tables and views will help us finding the correct up-time for the oracle database. For our application we have a configuration file for connecting to the Oracle database (URL, username, password). Find Oracle Database Uptime & Startup History. Oracle Database Cloud Exadata Service - Version N/A and later Oracle Database Exadata Express Cloud Service - Version N/A and later Information in this document applies to any platform. In my previous articles i have given many answers about how to related to oracle and sql server as well.
0 Comments
Leave a Reply.AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |