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Is it possible to make a case when in the cursor?
Untested waters,I’m trying to find a way to ease things up. Instead of having a nested select in a cursor in PL-SQL. I’m trying to make a case when in the cursor. Since the cursor can have different inparameters and I need to sort things accordingly. Is this possible? My code looks like this. It’s easy to read ao_in is the Inparam.
Can a cursor be declared to never fetch data?
Declaring the SQL cursor will never fetch data (no information about the result set columns) regardless the cursor is open or not. The simplest example is to declare a cursor with a SELECT query that has no columns and only select NULL:
Is there a way to call two cursors at once?
Alternatively, you could have two cursors, one that selects everything, and one that filters on the ao_in column, and then call the relevant one depending on which parameter is passed in.
Where does the SQL cursor store the result?
After opening the cursor, the source SQL query is executed and the result set is stored in memory. The next step is to fetch rows and to visualize them or to store them within some declared variables. Note that each column in the result set must be mapped to a variable having a relevant data type.
Which is an example of using multiple cursors?
I’ll use, as an example, your second use case: Once again the important is to learn how to make your macros efficient (I’ll give a counter example just after): Put your cursor on the word variable1 and begin to record your macro with qq. This means “start recording all my future keystrokes in the register named q “.
How to use multiple cursors in Vim stack?
Put your cursor on the word variable1 and begin to record your macro with qq. This means “start recording all my future keystrokes in the register named q “. Now you can use the macro to repeat your edit. As you are on the right line to edit you can simply execute the macro with @q.
How to use global command without multiple cursors?
The global command is a tool which allows to apply an ex mode command on lines matching a pattern, once again that’s a good way to apply the same change on different place without needing multiple cursors. The syntax is the following: For more details on the [range] parameter please see :h :range.