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Parameter and Keyword Description:
EXIT:
An unconditional EXIT statement (i.e., one without a WHEN clause) exits the present loop instantly. The Execution resumes with the statement following the loop.
label_name:
This identifies the loop to be exit. You can exit not only the preent loop but any enclosing labeled loop.
boolean_expression:
This is an expression which yields the Boolean value TRUE, FALSE, or NULL. It is computed with each iteration of the loop in which the EXIT WHEN statement appear. If the expression yields TRUE, then the present loop (or the loop labeled by label_name) is exited instantly.
Keyword and Parameter Description: label_name: This is an undeclared identifier which optionally labels the PL/SQL block. When used, label_name should be enclosed by the do
At times, Brewbean's has changed the id number for existing products. In the past, they have had to add a new product row with the new id to the BB_PRODUCT table, modify all the co
Updating Tables in SQL The topic of updating by describing the assignment operator, ":=" in Tutorial D. SQL uses a different syntax for assignment, using the key word SET and
What are the rates for help in writing PL/SQL procedures and functions?
ROWID The ROWID returns the rowid (binary address) of a row in the database table. You can use the variables of the type UROWID to store rowids in a readable format. In the il
Cursor Attributes The Cursors and cursor variables have 4 attributes which give you helpful information about the execution of a data manipulation statement. Syntax:
1- You can check attribute names from each table in DBF11 by running for example: desc dbf11.Member; desc dbf11.Agent; desc dbf11.Producer; Because some attribute names in
Set Operators The Set operators combine the results of the two queries into one result. The INTERSECT returns all the distinct rows selected by both queries. The MINUS returns
Creating a SQL file 1. Open a new file in Notepad++ and save it to the location c:\mysql\bin, with the name lab8script.sql (the file extension should be .sql ). Add a MySQL co
FETCH Statement The FETCH statement retrieve rows of data one at a time from the result set of the multi-row query. The data is stored in fields or variables which correspond t
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