Choose the value is not null in my database using report 6i
Hello worldI have 2 fields in my database and I want to put in my report that the data that is not empty.
I have the following code example, but I don't know where to put in my report and how to use it:
Can someone help me please?
SELECT column1
,column2
,DECODE (GRADE_Num,NULL, GRADE_Letter,GRADE_NUM) AS grade
FROM ....
Hello..
Depends on what you want to do...
What is your main query, your column of formulas or perhaps within a function, or a procedure... .so depends on your needs place you only
And the decode line will always search results if this value is null. .because you tell if grade_num is null then show the note by letter... otherwise (way grade_num is not null), you will see the grade_num...
This can be achieved using the NVL function also...
instead of decoding you could write NVL (grade_name, grade_letter)...
NVL function works as follows: If the first argument is null then subititute as the second argument.
If your goal is to extract the lines where a certain column is not NULL only, you can then you can also say something like that...
SELECT column1, Column2
From table_name
where (Column1 is not null) AND (column2 is not null);
Tags: Oracle Development
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Please provide examples of data, as well as an explanation of your logic. It is very useful!
I think that's what you want:
SELECT id , sort_order , log_status , log_review_stage , dt_log_begin , dt_log_end FROM ( SELECT id , sort_order , log_status , log_review_stage , dt_log_begin , dt_log_end , LEAD(log_review_stage) OVER (PARTITION BY id ORDER BY sort_order) AS next_log_review_stage FROM temp_table ) WHERE log_status = 'Pending' AND dt_log_begin IS NOT NULL AND dt_log_end IS NULL AND next_log_review_stage = 'HHH' ;
When run on your dataset, it returns:
ID SORT_ORDER LOG_STATUS LOG_REVIEW_STAGE DT_LOG_BEGIN DT_LOG_END -------------------- -------------------- --------------- -------------------------------------------------- ------------------- ------------------- 20 800 Pending GGG 01/27/2004 00:00:00
If this is incorrect, please explain why.
Thank you!
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I do changes in the host file of Streaming Full-Duplex and Tx-Streaming to implement a system of TDD using a single antenna.
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