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Transaction context
As the figure shows, the major transaction shares its context with the nested transactions, but not with the autonomous transactions. Similarly, If one autonomous routine calls the other (or itself recursively), the routines distribute no transaction context. Though, if an autonomous routine calls a non-autonomous routine, the routines share the similar transaction context.
Figure: Transaction Context
Consider the following set of database tables (same tables from Assignment 6-1). Please take note of foreign keys (most of them carry the same names as the corresponding primary ke
Name Resolution In potentially uncertain SQL statements, the names of the database columns take precedence over the names of the local variables and formal parameters. For e.g.
Example of Alternative formulation as a table constraint Example: Alternative formulation as a table constraint ALTER TABLE EXAM_MARK ADD CONSTRAINT Must_be_enrolled_to_
set serveroutput on declare a number(5); b number(5); c number(5); begin a:=&a; b:=&b; c:=a/b; dbms_output.put_line(c); exception when zero_divide then d
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i NEED TO CREATE 3 guiS IN pl/sql sERVER PAGE FORM
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Defining REF CURSOR Types To make cursor variables, you take 2 steps. At first, you define a REF CURSOR type, and then declare the cursor variables of that type. You can defin
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