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Bitmap Join Indexes -
This feature will increase the performance and detains the size and format of your databases in data Character Semantics and Globalization-This feature enable in prevention of storage problems that are associated with multi-byte characters sets by using character semantics while defining table columns in data.
Data Guard-As this feature is there in every database Oracle9i Data Guard is the new name for in technology advancements ofOracle8i which Standby Database inception of a large number of new advance features.
Export and Import Enhancements in Oracle9i-this is the unique feature that is there in oracle 9I to export and import enhancement through Oracle 9i, See what new functionality has been incorporated into the Export and Import utilities in Oracle9i. Flashback Query-this feature will allow the adept and rational view of the data at an earlier or any point in time.
High Availability Enhancements in Oracle9i-By advancing the ability it detains downtime for users by adopting the new high availability features of Oracle9i.
Index Organized Table (IOT) Enhancements in Oracle9i-It gives developer a better support for secondary indexes and much improved online maintenance as heap tables.
Apart from those above, other new features are below. They are list of differences that oracle 10g have in contrast to 9i
In 2005 after the successful of oracle 19G oracles released another variant of oracle 10 G that is Oracle 10G release 2.
This is also having some alluring and unique features than oracle 10G relase1
PITS Depressions in secondary cell wall is called pit. A pit present on the free cell wall surface without its partner is called Blind pit. It consists of 2 parts -
Implicit Cursor is declared and used by the oracle environment internally. while the explicit cursor is declared and used by the external user. more over implicitly cursors are no
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
Cause of Indeterminacy in SQL One root cause of indeterminacy in SQL lies in its implementation of comparison for equality. For certain system-defined types it is possible for
GOTO Statement The GOTO statement branches to a label unconditionally. The label must be exclusive within its scope and should precede an executable statement or a PL/SQL block.
Example of ADD CONSTRAINT in SQL Example: Alternative formulation for MAX_ENROLMENTS ALTER TABLE IS_ENROLLED_ON ADD CONSTRAINT MAX_ENROLMENTS CHECK ((SELECT COUNT (*)
Left and Right Joins LEFT OUTER JOIN can be used when you want to retrieve the data from the main table (table1) even if there is no match in other tables (table_2, table_3...
Primary Key - SQL A PRIMARY KEY specification carries an implicit NOT NULL constraint on each column of the specified key. When more than one key constraint is required, the k
Scope Rules You cannot declare an exception twice in the similar block. Though, you can, declare the similar exception in 2 different blocks. The Exceptions declared in a bloc
Mutual Recursion The Subprograms are mutually recursive if they directly or indirectly call each other. In the illustration below, the Boolean functions odd & even, that dete
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