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Keyword and Parameter Description:
This is an undeclared identifier which optionally labels the PL/SQL block. When used, label_name should be enclosed by the double angle brackets and should appear at the beginning of the block. Optionally, label_name can also become visible at the end of the block.
The global identifier declared in an enclosing block can be re-declared in a sub-block, in that case the local declaration prevails and the sub-block cannot reference the global identifier. To reference the global identifier, you should use the block label to qualify the reference, as the illustration below shows:
IF x = outer.x THEN -- refers to global x
Mixed Notation The fourth procedure call shows that you can mix the positional and named notation. In this situation, the first parameter uses the positional notation, & the s
Create the four tables and populate them with the given data. Answer the following queries in SQL. 1. Get all part-color/part-city combinations. Note: Here and subsequently, the
If two relations R and S are joined, then the non matching tuples of both R and S are ignored in __________________.
What Is a Package? The package is a schema object that group logically related PL/SQL items, types, and subprograms. The Packages usually have 2 parts, a specification & a bo
DELETE Statement The DELETE statement eliminates whole rows of data from the specified table or view. Syntax:
Using the FORALL Statement The keyword FORALL instruct the PL/SQL engine to bulk-bind input collections before sending them all to the SQL engine. Though the FORALL statement
Parameter and Keyword Description: table_reference: This identifies a table or view which should be available when you execute the INSERT statement, and for that you sho
Authorisations - Privileges As relational theory is silent on the issue of authorisation, it offers nothing with which SQL's vast edifice in support of what it calls privilege
Hi,am developing a library system and relating all the table is somehow complex,could you kindly assist me
Keyword and Parameter Description: table_reference: This specifies a table or view that should be accessible when you execute the DELETE statement, and for that you must
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