We are seeing some very strange behaviour in the performance of a query on our database. We have run the same query on the actual database server (s1) using sql+, and on a server (s2) 1 hop away (taking out network performance). The exact same queries, without any bind variables, are kicked off at exactly the same time. The [...]
Whether we can forcefully terminate an sql statement during its execution if it is running for a long time or running more than a specified time?
we have a 20 users accessing application of vb and database is oracle 8i from morning server runs fine till after noon it slow down then we need ot restart the database then again for an hour it works fast but again it gets slow donw can you please suggest what to do ???
How can I find out the number of concurrent processes at any point of time in 10g database
We are looking at our db performance (10gR2 on Win 2003 SP2) and am wondering what setting would give the better performance for the db. The server is only hosting the oracle backend for BMC Remedy 7.1p6. Its a DL580 with 8GB ram. The factors I’m looking at at the OS level is: - Paging: [...]
Is there a guideline to determine how many processors to use (in unix OS) according to the Oracle database size?
Good day, I try to optimize sqlldr, but don’t know how to set the parameters. I am trying to load 21,000,000 records per day, but currently don’t manage to load all data in time. The loading is always 1 day behind. I am using conventional loading (I cannot disable indexes before and after loading, because [...]
I recently started running statspack on my Oracle 9.2.0.7 database so I can get concrete evidence of what is going on in my database, besides viewing it through the grid. I started up statspack on Monday at 5pm and told my director that I’d turn is off at 5pm the next day. I did not [...]
HI , My database is oracle 8.0 vesion.i need to update the customer_id in in table with new_customer_id. for the smaller table my simple update is working fine .. when i fired the same update for the big tables ( 30000000 rows), its running for 10 hrs and failing with rollback segments. can any one [...]
I got Oracle9i R2 database running on windows 2003. On a very busy day I got very bad performance with Average Disk Queue Length very high on the performance monitor. There is heaps of free RAM and I am running Raid 10. I am still new to Oracle, so I need some help. Thanks and [...]
I want to insert 2MB of data into an oracle database in 1 second. Is it possible?. How much data can be inserted/sec ?
What would you recommend as good study guides for performance and tuning 9i exam
Hi All We are running Oracla based ERP solution. 9i , D2K and JVM. Everyday after 6 PM all the reports are taking long time before opening I am using HP Proliant DL 380 G5 server with 2 GB RAM having 2 partitions . C mirrored 2 x 72 GB SAS HDD. D drive with [...]
Hi ALL, I want to know – - What are the Criteria upon which one can say that Oracle Database is Designed, Set Up and is Running Optimally ? - Beside BRTOOLS ( in SAP on Oracle Db), is there any other Tool through which we can Validate the Oracle Database Structure ? ( Any [...]
Hello, There is going to be a change in DNS server at our site. Also, there is going to be migration from Static to DHCP IP, but it has been assured to us that IP address will not change. All our databases are accessed via DNS alias entries in TNSNAMES.ora. Will a change in DNS [...]
What are the advantages of automated testing tools for oracle database on a Unix Solaris environment?.
When we run an update against a table of 40k rows on a NT environment, it completes in 10 sec. When the same update is executed on a Linux environment with the same # of records, it completes in 19 sec – nearly 100% drop in performance. The explain plans are the same for both [...]
Dear sir/mam, From last 2 weeks,ur database performance id very slow.plz guide me how to solve the problem. i giving ddetails of spreports,it may be help to resolve the problems. give me solutions as soon as possible. STATSPACK report for DB Name DB Id Instance Inst Num Release OPS Host ———— ———– ———— ——– ———– [...]





