Oracle EXISTS method.
- 30 July 2022
- Database Performance Management
In Oracle PL/SQL, the EXISTS method is a function that tells you if a specified Varray or Nested Tables element exists….
Oracle EXTEND method.
In Oracle PL/SQL, the EXTEND method is a procedure that adds elements to the end of Varray or Nested Tables. The collection can be empty, but not NULL…
Oracle Nested Tables.
In Oracle PL/SQL Nested Tables is a column type that stores an unlimited row set in a certain order.
When you extract a nested table value from a dat…
Oracle COUNT method.
- 28 July 2022
- Machine learningSoftware Engineering
In Oracle PL/SQL, the COUNT method is a function that returns the number of items in a collection (ignoring the deleted items even if DELETE stores fi…
How to control MySQL and SSH service with Monit on Linux.
If you tried to control services manually on Linux servers then here is the solution for you. First of all you will need to install Monit on Linux.
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