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All Sign in options. Enter a Email Address. Choose your interests Get the latest news, expert insights and market research, sent straight to your inbox. Newsletter Topics Select minimum 1 topic. If you know java, then think a package is similar to a class and a procedure to a method. Kadavul Posted January 4, 0 Comments.
Hi Senthil, Procedure return more than one value, but function returns only one value. Hi Senthil, A package may have more than one related procedures or functions.
Kadavul Senthil is talking about procedure and package not about function and procedure. Hi Senthil, You cannot call a package, instead you have to call a standalone procedure or a packaged procedure. Anonymous Posted January 4, 0 Comments. Hi, Package is a collection of procedure and function. Data hiding 2. Modularization 3. Overloading 4. Encapsulation Package can have two parts package specification and package body in which package body is optional.
Anonymous Posted January 5, 0 Comments. Procedures explain how to accomplish a task. A procedure is sometimes called a work instruction. If you are preparing an ISO quality management system, then the term procedure is used to describe a process, whereas a work instruction is used to describe something more basic like a specific step in a process. The package body won't be usable until you compile a package specification for it. A standalone procedure is a procedure a subprogram that performs a specific action that is stored in the database.
A package includes variables, constants, cursors, exceptions, procedures, functions, and subprograms. It is compiled and stored in the Oracle Database. Typically, a package has a specification and a body. Private Procedure : If a procedure is declared and defined within the package body known as private procedures.
Also this cannot be executed by other procs of the package. Public Procedure : If a procedure is declared in package specification and defined in package body known as public procedure. Package in Java is a mechanism to encapsulate a group of classes, sub packages and interfaces. Packages are used for: Preventing naming conflicts.
For example there can be two classes with name Employee in two packages , college. A protected member is accessible by classes in the same package and its subclasses. All the rows are retrieved with only 2 context switches. A schema in a SQL database is a collection of logical structures of data. From SQL Server , a schema is an independent entity container of objects different from the user who creates that object. In other words, schemas are very similar to separate namespaces or containers that are used to store database objects.
A stored procedure is a set of Structured Query Language SQL statements with an assigned name, which are stored in a relational database management system as a group, so it can be reused and shared by multiple programs. Nesting a procedure in a package allows it to be grouped with similar functionality and allows it to access functions, procedures and data which is private to the package i.
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