Questions

Hello,I have multiple baselines and after migrating the application many of them got not reproducible.The reason was renaming of some indexes during the migration.I have renamed those indexes back to the original name.My question is how I get Oracle to set tho...

(https://livesql.oracle.com/ords/livesql/s/da34i74lkmxt2mqrtp0k4xsk6 )(I was able to format better with screenshots on the Oracle forums - https://forums.oracle.com/ords/apexds/post/help-solving-a-logical-problem-using-analytical-query-3778)Hi,I am trying to s...

Hello Chris. Hello Connor, I’m struggling with a performance issue … We have a single big table (167 million of rows, 118 columns). For ad hoc queries we have created a simple Apex application with 15 most important columns as filters. To avoid long running ...

Can someone please provide Oracle sql query to get below output?Deptno Dept Name No. of emp10 a 10 b 20 c 3020 d 40 e 50 f 6030 g 70 h 80 i 90...

Hello ASK TOM team,Recently our client has come out with a requirement to be able to rollback database part of any application deployment. Now in our case, the application deployment can mean any or all of the following from a database perspective:a) PL/SQL co...

How do I know which tablespaces have which data files and their path on disk?...

Hi Team,This is the first time I am asking question on asktom, while I am very much thankful to the solutions you have provided and kept helping people always.We want to add 60 CLOB columns to the table which is around 17TB in size. This is a datawarehouse DB...

Hi Tom, Thanks for your continuous support. We have a table with blob data type as one column. We are using secure file option as we are using 11g. We kept the blob column in a seperate tablespace. In the main table we have a column called streamID whic...

Hi Tom,Presently, it is not possible to replace a part of a LOB (the DBMS_LOB package does not have a replace function). The write procedure overwrites.Is it possible, if not why, to write at a certain position (not append) and offset the remaining portion whi...

I’m having trouble with the parallel execution of an Oracle SQL query for creating indexes on <b>separate table (assume each table have single index)</b>.The performance boost isn’t even close to what I was hoping for. I therefore need your help in determining...

Hi,I see Oracle document shows an example of insert statement for fast ingest as INSERT /*+ MEMOPTIMIZE_WRITE */ INTO test_fast_ingest VALUES (1,'test');Can fast ingest using memoptimize be used for insert statement, that is INSERT as select...INSERT /*+ MEM...

I created a new project in Visual Studio 2019 with Entity Framework v6.5.1, Oracle.ManagedDataAccess v23.8, and Oracle.ManagedDataAccess.EntityFramework v23.8.When I add an ADO.NET Entity Data Model, I select EF Designer from the database. It then prompts me f...

Dear TomI have Oracle EBS 12.8 with Oracle 12C. I upgraded my database to 19C with the latest patches, and everything is working fine, except my DBlink with another MS SQL server. Note that it was working before the upgrade. I dropped the DBlink and re-created...

Dear Ask Tom team memebers.Is it possible to to measure sql effectivity via computed throw away row count ?Its clear that optimizer tries to build the plan to minimize throw away rows for the next steps in the plan. So it tries to send only relevant rows to ne...

Hi,While listening through the video "Developer Coaching - Oracle Database 23ai - Zero Slides, Zero Marketing, 100% Live Demo" there mentioned that we can set the oracle wallet path to system: to access the windows level certificates, but when I tried the same...

hello I have a table FCM PARTITIONED ON (Q) Column BY RANGE INTERVAL( NUMTODSINTERVAL(7, 'DAY')) i have an issue that "current/active" partition becomes stale several times a day vast majority of DMLs on the table are INSERTS (basic inserts , with val...

Hi,Tom:The recycle bin is empty, and no DDL statements similar todrop BIN$MmWdiJOqKt7gY0eQFAotmw==$0 were executed.However, the following error was reported:Caused by: java.sql.BatchUpdateException: ORA-00604: error occurred at recursive SQL level 1ORA-38301: ...

Hi TeamPlease find re-producible data available in LiveSQL shared link -> https://livesql.oracle.com/ords/livesql/s/c9r56fcrqizrcrc5aiep4hrpnRequirement is to fetch last record for "t_id" column value for each "code" + "status" column values respectively.Looki...

<b>Use Case:</b> We are implementing partitioning in the AQ to enable batch processing with array dequeue while ensuring:1. Ordering maintained per partition (FIFO).2. Possibility to Array Deqeue on Application side. ( Unless provided a more performant solutio...

how can i import a file version 24.2.2 into 24.1.7 ...