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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.
Naming Conventions The similar naming conventions apply to all PL/SQL program items and units including the variables, cursors, constants, cursor variables, procedures, exception
Albeit simple method : These all the truth tables give us our first as albeit simple method for proving a theorem: where check whether it can be written in propositional logic
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
LONG and LONG RAW You use the LONG datatype to store the variable-length character strings. The LONG datatype is such as the VARCHAR2 datatype, except that the maximum length o
If two relations R and S are joined, then the non matching tuples of both R and S are ignored in __________________.
Parameter & Keyword Description: function_name: The user-defined function is identifying by that keyword. parameter_name: This identifies the formal parameter that
Parameter and Keyword Description: type_name: This identifies a user-defined type specifier that is used in the subsequent declarations of the objects. AUTHID Clause:
Define basic operators of relational algebra with an example each
Assignments in pl/sql The Variables and constants are initialized every time a block or subprogram is entered. By default, the variables are initialized to NULL. Therefore, unle
Count Operator in SQL Example: Counting the students who have scored more than 50 in some exam (SELECT COUNT (*) FROM (SELECT DISTINCT StudentId FROM EXAM_MARK WHE
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