If you want to hide these working columns from the final output, you need to list all the columns out again in the final select. Provided you've listed all the necessary columns in the subquery, you've avoided the performance and maintenance issuesselect *brings. In these cases it'd be ...
Oracle Solaris customers are reporting ZFS compression ratios in the 2x to 18x range, depending on the compressible workload. If you haven't tried ZFS compression previously because you were concerned about CPU overhead, consider enabling LZ4 (lz4) compression. ZFS deduplication. When the deduplicat...
a free-of-charge service supplied byOracle's public yum serverwith which Oracle Linux and Oracle VM can be maintained without a subscription. By performing the steps in this lab, you will obtain a fully supported and certified configuration for Oracle Database (whereas on VMware, Oracle ...
So it's likely you'll want to send and receive JSON documents from and to your database. And store them in your tables. Oracle Database has a huge amount of functionality that makes this easy.Oracle Database 21cextends this support with key enhancements including a nativeJSONdata type. ...
Define the f_render function in the PL/SQL code. function f_render ( p_region in apex_plugin.t_region, p_plugin in apex_plugin.t_plugin, p_is_printer_friendly in boolean ) return apex_plugin.t_region_render_result is Then set Render Procedure/Function Name to F_RENDER in the callba...
description => 'Tuning task for an EMP to DEPARTMENT join query.'); DBMS_OUTPUT.put_line('l_sql_tune_task_id: ' || l_sql_tune_task_id); END; / You should see the following: PL/SQL procedure successfully completed. In the preceding command, note the TIME_LIMIT of 60. That limits...
This code shows how to use Oracle's User Defined Types such asVARRAYusing ODP.NET in aWHEREclause of a query in an Oracle Stored Procedure. I am passing three parameters into my Oracle Stored Procedure: the first parameter is a UDTVARRAYasnumber(ParameterDirection.IN); the second parameter ...
'Oracle' data extension not registered 'Return' statement in a Function,Get,or Operator must return a value...Question "An error occurred during local reporting processing. Object reference not set to an instance of an object." "Define query parameters" popup in Dataset properties -> Refersh...
Unless otherwise noted, each of these features is described in Oracle9i Database Concepts.Use the BEGIN_DISCRETE_TRANSACTION procedure to improve the performance of short, non-distributed transactions. Use the SET TRANSACTION command with the USE ROLLBACK SEGMENT parameter to explicitly assign a ...
Install Oracle Explorer on host_A usingpkgadd. Runexplorer-gon host_A to accept the license and update or create the defaults file. Save the defaults file. The file must be located in the directory that other hosts are able to access. ...