Sign In To view full details, sign in with your My Oracle Support account. Register Don't have a My Oracle Support account? Click to get started!In this DocumentGoalSolutionTools to achieve the goal:Locate the SQL of interestAverage execution elapsed time for execution plans used for the...
how to get the execution plan for the same sql_id with different plan_hash_value?
If you need to optimize the execution of a given SQL query, you have to inspect the execution plan in order to determine what makes the query run slowly. Without visualizing the query execution plan, you cannot tell what the database does under the hood when running a certain SQL statement...
Connect Oracle to MySQL Get a DemoTry it 2. Creating the Migration Repository You must set up a repository to house the necessary repository tables and PL/SQL packages before you can convert Microsoft SQL Server to Oracle. Follow these steps to achieve this: You can skip these steps if yo...
For each of these wins, however, the organization had to work through a scaleup process, bringing together tools and people and making the technical and cultural adjustments required for AI to work in the real world. Below, we’ll look at the many facets of the challenge of scaling up AI...
While Oracle Database can combine B-trees (via a "bitmap conversion from rowids"), this is relatively expensive. In general to get the same performance as the three bitmaps, you need to place all three columns in a single index. This affects how reusable an index is, which we'll come...
Overview of SQL Statement ExecutionFigure 7-1 outlines the stages commonly used to process and execute a SQL statement. In some cases, these steps might be executed in a slightly different order. For example, the DEFINE stage could occur just before the FETCH stage, depending on how your ...
In this chapter we’ll discuss what is considered a very important subject if you are tuning SQL. Gathering object statistics is crucial; this is why Oracle has spent so much time and effort making the statistics collection process as easy and painless a
Some ERP vendors, like SAP and Oracle, offer WMS modules built ianto their systems. It’s more expensive, but an ERP can replace all existing software and centralize logistics into one interface. If you don’t like your existing software and want to bring them into one system, you can ...
Creating the recommended indices significantly improves the execution plan of this statement. However, it might be preferable to run "Access Advisor" using a representative SQL workload as opposed to a single statement. This will allow to get comprehensive index recommendations which takes into ...