What is the difference between function procedure and package in PL SQL?
Unlike a function, the procedure does not have any specific return type and doesn’t return single but multiple values. Package: A package, which is a schema object, is responsible for grouping PL/SQL types, subprograms and items, which are logically related.
What is function procedure and package in Oracle?
A package is a group of related procedures and functions, together with the cursors and variables they use, stored together in the database for continued use as a unit. Similar to standalone procedures and functions, packaged procedures and functions can be called explicitly by applications or users.
What are packages in PL SQL?
In PL/SQL, a package is a schema object that contains definitions for a group of related functionalities. A package includes variables, constants, cursors, exceptions, procedures, functions, and subprograms. It is compiled and stored in the Oracle Database.
What is package in PL SQL with an examples?
A package is a schema object that groups logically related PL/SQL types, variables, constants, subprograms, cursors, and exceptions. A package is compiled and stored in the database, where many applications can share its contents.
What is procedure function package?
What is a package in database?
“A package is a container for other database objects.” A package can hold other database objects such as variables , consatants,cursors,exceptions,procedures,functions and sub-programs. A package’s body fully defines cursors, functions, and procedures and thus implements the specification.
What is a package in PL SQL Mcq?
1) PL/SQL packages are schema objects that group logically related PL/SQL types, variables and subprograms.
How do I execute a package?
The Execute Package task can run child packages that are contained in the same project that contains the parent package. You select a child package from the project by setting the ReferenceType property to Project Reference, and then setting the PackageNameFromProjectReference property.
What is difference between procedure and package in Oracle?
A procedure is a stored program in Oracle that is written down when a particular task has to be done. Your procedure will perform this task of transferring data. A package is a database object that can contain many such procedures that perform tasks that are related to each other.
Which is better package or procedure?
The advantage of a package over a stand-alone procedure is that all the procedures and functions are loaded into memory so that when one procedure within the package calls another within the same package it is already loaded so this should give performance benefits if designed properly.
What is the difference between procedure and function in SQL?
– Both are stored in a database. – Reduce network traffic. – Both are compiled only once – when executed for the first time – and reduce the compilation cost by caching the execution plans and reusing them for repeated executions. – Both allow automatic re-compilation if there is any change applied to them.
What is the difference between PLSQL and SQL?
– Which path/road he will follow to reach the counter in railway station – How he will fill the details – What could be the mode of payment i.e. by cash, or card – How he will come back
What are the advantages of PL SQL over SQL?
PL/SQL is a very secure functionality tool for manipulating,controlling,validating,and restricting unauthorized access data from the SQL database.
What is procedure in PL SQL?
– The procedure has two parameters: IN_EMPLOYEE_ID and IN_PERCENT. – The procedure adjusts the salary of a particular employee specified the IN_EMPLOYEE_ID by a given percentage IN_PERCENT. – In the procedure body, we use the UPDATE statement to update the salary information.