PL/SQL provides the raise exception functionality to the user; many times, exceptions may occur in our application or software that means there is a problem or error in our code to execute the application. There is no control, but when an exception is raised, we can handle all the errors ...
In the above example, we try to implement the varray with two different options. In this example, we declare varray name as sample_type as shown. After that, we initialize the two varray, one for an empty element and the second for elements. Inside the execution section, we write code t...
In JDBC, we may get exceptions when we execute or create the query. Exceptions that occur due to the Database or Driver come under SQL Exception. Using Exception handling, we can handle the SQL Exception like we handle the normal exception. SQLException is available in the java.sql package....
How to write SQL Query and running in parallel within stored procedure ? how to write string lines to a text file from a T-SQL script? How to: 1) Insert a range of values into a table with a single identity column 2) Rank the results without using any functions How To: Save a str...
How to write SQL/PL scripts to create users and tables and then run them in Oracle?PL/SQL Script to Implement CREATE USER and CREATE TABLE command:PL/SQL programming block allows creating users and tables. Also, several DBMS permissions can be assigned to the user as r...
This post demonstrates the process to use the exit statement to terminate a loop in PostgreSQL. PL/pgSQL Exit Statement: How to Terminate a Loop The EXIT statement can be used to terminate the body of the loop before the actual ending of the loop by providing some conditions to this statem...
SUMMARY: This article covers how stored procedures can make use of variables to be more functional and useful. After defining PL/pgSQL, stored procedures, and variables, it provides examples of how variables can be used. The title of this post makes use of 3 terms: PL/pgSQL, stored proced...
BEFORE/AFTER key words. When trigger has to execute, we need to given in definition FOR EACH ROW => Trigger validates for each row INSTEAD OF key word we need to use for views Types of Triggers DML triggers on tables. INSTEADOFtriggers on views. ...
There are someveryinsecure pakcages in the pl/sql toolkit. You need to revoke the rights on these packages from the public users. Otherwise users from the internet can easily get information from your database. To check this, add the following code at the end of your "http"-path: ...
How to plsql to spool data To run this from a script in SQL Plus (like @myscript.sql) I had to add "/" after the "END;" of the Anonymous block. –DzyannJun 3 '15 at 18:58 SETSERVEROUTPUTONFORMAT WRAPPEDSETVERIFYOFFSETFEEDBACKOFFSETTERMOUTOFFcolumndate_column new_value today_var...