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Introduction
Oracle 9i- it was made public in the year 2001 with over 400 features, and graphics, it has merged the traditional business with modern internet applications (both business model and their operation).It is known for its strength in offering performance, scaling, and availability in hosted services exhibited in any software. A real application clusters is a computer-cluster database. In Oracle 9i, Real Application Clusters substituted the Oracle Parallel Server.
Oracle 10g- This database became the first RDBMS release from Oracle Corporation after Oracle 9i that advanced Grid computing technology. Besides these multiple features and advancements, Oracle 10g released resolved the bugs reported from the previous edition of databases like oracle 9i. Major language features included continuing expression functionality support, flashback operations support; recycle bin, and performance improvements. With the rising fame of 10g versions first release, when it became successful then oracle released second edition of 10g in 2005.
Oracle 11g- This is latest released databases of oracle, it was released in 2009. Since its inception, Oracle 11g has become the topic of discussions amongst the database developers and engineers, corporate that are actually utilizing and advancing their operation. Oracle 11g has well equipped with the performance oriented features, language enhancements and logical programming recommendations.
Iterative Control: LOOP Statements The LOOP statement executes a series of statements multiple times. There are 3 forms of LOOP statements: LOOP, WHILE-LOOP, & FOR-LOOP. LOOP
%FOUND Subsequent to a cursor or cursor variable is opened but before the first fetch, the %FOUND yields NULL. Afterward, it yields TRUE when the last fetch returned a row, or
Initial thought process: Design a script which was simple and user friendly. Integrate procedures/functions to extract data under the hood. I focused on giving the user the opt
Using a join on 3 tables, select 5 columns and 10 rows from the 3 tables without the use of a Cartesian product Query: SELECT E.LAST_NAME, E.FIRST_NAME, S.BUILDING, S.BRAN
LEVEL You use the LEVEL with the SELECT CONNECT BY statement to categorize rows from a database table into a tree structure. The LEVEL returns the level number of a node in a
OUT Mode An OUT parameter returns values to the caller of a subprogram. Within the subprogram, an OUT parameter act like a variable. That means that you can use an OUT formal
Package Body: The package specification is implemented by the package body. That is, the package body has the definition of every cursor and the subprogram declared in the pac
Example of Table Literal - SQL Example: A Table Literal (correct version) VALUES ('S1', 'C1', 'Anne'), ('S1', 'C2', 'Anne'), ('S2', 'C1', 'Boris'), ('S3', 'C3'
Declaring Subprograms You can declare subprograms in any PL/SQL subprogram, block, or package. But, you should declare subprograms at the end of the declarative part after a
Write a program to implement the inverted file shown in the slides (Simple Index file, LabelID file and Data file). Use the Avail_List to point at the deleted Label IDs so that th
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