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Oracle 10G new features:-
Automatic Database Diagnostic Monitor System Advancements- these methods will provides several methods for extracting reports through the Automatic Database Diagnostic Monitor; this functionality is only there in Oracle 10g. Automatic SQL (database) Tuning in Oracle Database 10G-this is the new features and advancements which automate and regulate the integration of SQL and oracle 9i.
Automatic Storage Management System (ASM) Oracle Database 10g - Automatic Storage Management (ASM) is a new functionality introduced through Oracle 10g to make it simple for developer the storage and administration of Oracle files and graphics.
Automatic Workload Repository System (AWR) in Oracle Database 10g - This functionality automated workload repository system (AWR) is the latest evolution of stats pack that gives the centralized information storage for all Oracle 10g self-tuning functionality with oracle 9i and SQL.
Database Security Enhancements functionality in Oracle Database 10g - Oracle 10g is having many and amendments and improvements to Virtual Private Database system (VPD), Fine Grained Auditing (FGA) and data encryption and data mining structure.
Flashback New Features and Enhancements in Oracle Database 10g-this is latest up gradation of most Usable the new and enhanced features that oracle 10G have with its functionalities of flashback technology to view your storage data, tracking your data changes and recover from emergency data loss without reverting to Log Miner or point in time recoveries which is its key role.
Apart from the features there are some differences which are below.
These are some of the differences are as follows.
Using SAVEPOINT The SAVEPOINT names and marks the present point in the processing of a transaction. Used with the ROLLBACK TO statement, the savepoints undo parts of a transac
Order of Evaluation When you do not use the parentheses to specify the order of evaluation, the operator precedence determine the order. Now compare the expressions below: NOT
Example of EXCEPT Operator - SQL Example, like its counterpart in the theory book, illustrates the convenience of allowing any table expression to be the source for an INSERT
Example of Tables within a Table - SQL Example: Obtaining C_ER from COURSE and EXAM_MARK SELECT CourseId, CAST (TABLE (SELECT DISTINCT StudentId, Mark FROM EXAM_MARK AS EM
DELETE Command - SQL Loosely speaking, DELETE removes some existing rows from its target table. Suppose the university decides that course C3 is to be withdrawn. Example shows
Recursive Subprograms The recursive subprogram is the one that calls itself. Think of a recursive call as a call to a few other subprograms that does the similar task as your
%TYPE Attribute The %TYPE attribute gives the datatype of a record, field, nested table, database column, or the variable. You can use the %TYPE attribute as the datatype speci
Multiple Assignment- SQL SQL supports multiple assignment to local variables and also applies multiple assignment semantics in SET clauses of UPDATE statements, but does not
Variable Declaration - SQL SQL's support for variables is very similar to Tutorial D's, except that the syntax for creating persistent variables-base tables-is quite differen
Use the PLS_INTEGER Datatype When you require to declare an integer variable, use the datatype PLS_INTEGER that is the most efficient numeric type. That is as the PLS_INTEGER
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