The searched case statement is the much more powerful cousin of the simple case statement. The searched case statement is like an if…then…else structure, and can be used to conditionally search and replace values using logical operators and multiple conditions. Let's look at an example: SELEC...
oracle 具有多个条件的Case语句您可以省略case语句中的表达式，并使“when”语句更加详细。
oracle 具有多个条件的Case语句您可以省略case语句中的表达式，并使“when”语句更加详细。
select sum(case when person_status_id in (3,4,6) then (select 1 as x, count(*) as cnt from PERSON w and w.UPDATED_ON> (sysdate-30) )v end) as Completed, sum(case when person_status_id in (5,7,13) then (select 1 as x, count(*) as cnt from PERSON w and w.UPDATED_ON...
He enters the conditions as shown inFigure 23-7. Figure 23-7 Setting Conditions for Triggering Since the CPU load value ranges from 0-1, Marcus sets theMax trigger valueto 0.95. Marcus wants to be alerted when the CPU usage is high for at least five minutes and setsSustained [s]to 300...
Record potential incidents, such as near misses or observed unsafe acts or conditions Intuitive, easy-to-use interface, including a simple Report an Incident tablet application for all employees to record an incident on the spot Automatic notifications to those that need to know ...
If you are running multiple Oracle Application Server instances on one computer, each Application Server Control can consume a lot of memory. Running Application Server Control only when you need it can free up memory for other components. ■ Configure Application Server Control so that it can ...
In the face of constant change, organizations need a secure, agile digital core to continuously reinvent and innovate. With Oracle’s powerful, interoperable cloud and Accenture’s deep expertise, you can accelerate your journey. We make it simple and affordable to integrate multiple clouds, industr...
The format for a searchedcaseexpression is the syntax shown above: The core differences between this and simple expressions are: You can use multiple selectors The selectors are evaluated in everywhenclause the database runs Any SQL conditions that returntrueorfalseare possible in the<boolean co...
Chunking: You can split large payloads into multiple, smaller chunks that Streaming can accept. The chunks are stored in the service in the same way that ordinary, non-chunked messages are stored. The only difference is that the consumer must keep the chunks and combine them into the message...