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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.
write the program for traffic control system with 10 second, 15 secod, and 20 second delay
Declaring a Cursor The Forward references are not allowed in the PL/SQL. Therefore, you must declare a cursor before referencing it in other statements. Whenever you declare a
%ISOPEN The %ISOPEN yields TRUE if its cursor or cursor variable is open; or else, the %ISOPEN yields FALSE. In the illustration, you use the %ISOPEN to select an action:
Effect of Anonymous Columns Now, recall that a VALUES expression denotes a table with undefined column names. If an initial value is to be specified when a base table is creat
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...
I want someone to write a TSQL function that returns the name of the ODBC DSN. I will use the queries below, to get information about the connection, but none of these return th
Database Values You can use the SELECT statement to have the Oracle assign values to a variable. For Each and every item in the select list, there must be a matching, type-compa
Components of an Object Type: An object type encapsulates the operations and data. Therefore, you can declare the methods and attributes in an object type specification, but no
Restriction and AND - SQL Restriction is available via the WHERE operator, and so it is in SQL. However, by Example showing how a certain simple restriction can be expressed u
Quantification in SQL To quantify something, as the theory book has it, is to state its quantity, to say how many of it there are. For example, in Tutorial D the expression CO
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