Updating table using cursor in oracle dating muslim site web
In the online version (which also matches the quiz offered at PL/SQL Challenge, both a and b are correct.
If the statement doesn’t identify any rows to be fetched, Oracle Database will raise the NO_DATA_FOUND exception.
Here are some examples of using SELECT-INTO: Get the last name for a specific employee ID (the primary key in the employees table): If there is a row in the employees table with ID 138, this block will display the last name of that employee.
Part 12 in a series of articles on understanding and using PL/SQL The central purpose of the Oracle PL/SQL language is to make it as easy and efficient as possible to query and change the contents of tables in a database.
You must, of course, use the SQL language to access tables, and each time you do so, you use a to get the job done.
Suppose I need to write a block that fetches employees in ascending salary order and gives them a bonus from a total pool of funds by calling the assign_bonus procedure, whose header is Each time assign_bonus is called, the procedure subtracts the bonus given from the total and returns that reduced total.
When that bonus pool is exhausted, it stops fetching and commits all changes.
In these type of situations it is ideal to use a Update Cursor, than using the default read only one.
Consider the following table : Here is how you use the Update Cursor.
The syntax of this statement is The PL/SQL Challenge question in last issue’s “Wrap Up Your Code in a Neat Package” article focused on how the values assigned to package-level variables persist in your session and asked, “Which of the choices will display ‘3’ after execution?
” In the print version of the article, only choice a was correct.
If there is no such row, the block will fail with an unhandled NO_DATA_FOUND exception.Tags: Adult Dating, affair dating, sex dating