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- #Pl sql developer execute current statement how to#
- #Pl sql developer execute current statement code#
WHERE emp.employee_id = employee_rec.employee_id ĭBMS_OUTPUT.PUT_LINE ('Updated ' || SQL%ROWCOUNT) Taking advantage of PL/SQL’s elegant cursor FOR loop and the ability to call SQL statements natively in PL/SQL, I can implement this requirement easily:ĬREATE OR REPLACE PROCEDURE increase_salary (ĭepartment_id_in IN partment_id%TYPE,Įmp.salary * increase_salary.increase_pct_in Suppose my manager asked me to write a procedure that accepts a department ID and a salary percentage increase and gives everyone in that department a raise by the specified percentage. Let’s look at a concrete example to explore context switches more thoroughly and identify the reason that FORALL and BULK COLLECT can have such a dramatic impact on performance. This transfer of control is called a context switch, and each one of these switches incurs overhead that slows down the overall performance of your programs. The SQL engine executes the SQL statement and returns information back to the PL/SQL engine. When the PL/SQL runtime engine encounters a SQL statement, it stops and passes the SQL statement over to the SQL engine. PL/SQL statements are run by the PL/SQL statement executor SQL statements are run by the SQL statement executor. VERY IMPORTANT: if you find any mistakes or have suggestions to improve this tutorial, you can submit feedback through LiveSQL or sent an email directly: steven dot feuerstein at oracle dot com (so there, bots! :-)).Īlmost every program Oracle Database developers write includes both PL/SQL and SQL statements. I bet you could figure that out all by yourselves. The very last module of the tutorial ("Solutions to Exercises") contains my solutions to these exercises.
#Pl sql developer execute current statement code#
#Pl sql developer execute current statement how to#
For example, you know how to create procedures and functions. Reference: You can find the list of all pre-defined exception here.Before taking this tutorial, you should be proficient with the basics of SQL and PL/SQL programming. While filling the station code to book the ticket IF we input wrong code it shows us the exception that the code doesn’t exist in database. Uses: One of the real lIFe use of exception can be found in online train reservation system.
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