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APEX JavaScript Hide/Show
These functions will allow you to hide and show DOM objects like regions or buttons, as opposed to simply toggling their visibility, which may not collapse the empty space. Be sure to give the objects...
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Exporting Components to Another App/Workspace
Oracle APEX, being much smarter than you (and me, and the rest of the software development community), won’t allow you to do something crazy like exporting components, i.e. one or more pages, from one...
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PL/SQL Compiler awesomeness in action
The PL/SQL package compiler, being awesome, will happily compile the following line of code in your package spec: MY_CONST CONSTANT VARCHAR2(5):='More than 5 characters'; despite the fact that the...
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Viewing APEX Mail Log and Queue
Run these from APEX SQL Workshop: SELECT * from APEX_MAIL_LOG ORDER BY LAST_UPDATED_ON DESC; The next one will normally be empty, unless just prior to a queue purge (every 15 min?) or an error...
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Find Oracle Version from Command Prompt
To view the version of Oracle to which you are connected, enter the following from a query window: select * from v$version where banner like 'Oracle%'; You should see something like this: BANNER...
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Monitoring Oracle User Scheduled Jobs
To view the status of User Scheduled Jobs in Oracle, try the following: SELECT JOB_NAME,LOG_DATE,OWNER,STATUS FROM USER_SCHEDULER_JOB_LOG To view more details: SELECT * FROM...
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Totaling Summed Columns in a Row
A moldy-oldy harvested from my old blog: SELECT ... SUM(COL_1) AS COL1, SUM(COL_2) AS COL2, SUM(COL_3) AS COL3, SUM(COL_4) AS COL4, NVL (SUM(COL_1), 0) + NVL (SUM(COL_2), 0) + NVL (SUM(COL_3), 0) + NVL...
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