- Mastering Oracle Scheduler in Oracle 11g Databases
- Ronald Rood
- 144字
- 2021-04-01 14:12:55
Steps to create a chain
When creating a chain, there are certain steps that need to be followed:
- List the actions that the chain should perform.
- Create the programs that perform separate actions.
- Enable the programs so that they can be used in the chain.
- Design the rules that the Scheduler must follow to work through the chain.
- Check if a chain step depends on events from outside the chain.
- Create the chain.
- a. Use
evaluation_intervalwhen a step depends on something outside the chain. - b. Leave
evaluation_intervalundefined when no external dependency exists.
- a. Use
- Create the chain steps by calling the created and enabled programs.
- Create the chain rules for every step with rules (at least) for success and failure.
- Enable the chain.
- Create a job that is going to run the chain.
Let's go through this list of actions in the upcoming sections.
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