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Naming ConventionsThe similar naming conventions apply to all PL/SQL program items and units including the variables, cursors, constants, cursor variables, procedures, exceptions, functions, and packages. The Names can be simple, remote, qualified, or both qualified and remote. For illustration, you might use the procedure name raise_salary in any of the following ways shown below:raise_salary(...); -- simpleemp_actions.raise_salary(...); -- qualifiedraise_salary@newyork(...); -- remoteemp_actions.raise_salary@newyork(...); -- qualified and remoteIn the first condition, you basically use the procedure name. In the second condition, you should qualify the name using the dot notation as the procedure is stored in a package named as the emp_actions. In the third condition, using the remote access indicator (@), you reference the database link newyork as the procedure is stored in the remote database. In the fourth condition, you qualify the procedure name and reference the database link.
Built-In Functions The PL/SQL provides a lot of powerful functions to help you to manipulate the data. These built-in functions fall into the categories as shown below: error r
Using research notes and Oracle documentation plan and execute an upgrade of an installation of Oracle 10g to Oracle 11g release 1. To do this you must show in screen shots and wri
Updating Tables in SQL The topic of updating by describing the assignment operator, ":=" in Tutorial D. SQL uses a different syntax for assignment, using the key word SET and
Mixed Notation The fourth procedure call shows that you can mix the positional and named notation. In this situation, the first parameter uses the positional notation, & the s
Package STANDARD package named STANDARD defines the PL/SQL atmosphere. The package specification globally declares the exceptions, types, and subprograms that are available a
Oracle 10G new features:- Automatic Database Diagnostic Monitor System Advancements - these methods will provides several methods for extracting reports through the Automatic
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
Committing and Rolling Back The COMMIT and ROLLBACK end the active autonomous transaction but do not exit the autonomous routine. As the figure shows, if one transaction ends,
TTITLE and BTITLE are commands in Pl-SQL to control report headings and footers. This Ttitle & Btitle are mainly used on creating SQL*PLUS report. Ttitle is used for toptitle headi
Package STANDARD The package named STANDARD defines the PL/SQL atmosphere. The package specification globally declares the exceptions, types, and subprograms that are available
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