- What are cursors in SQL?
- Which is better procedure or package?
- How do I wrap a package in Oracle?
- What is PL SQL code?
- Is in PL SQL?
- How do I wrap a PL SQL code in SQL Developer?
- What is wrapper program in Oracle?
- Can we execute a package in Oracle?
- Where do we use PL SQL?
- How do I enable unwrap in SQL Developer?
- What are Oracle packages?
- How do I run a package in SQL?
- How do you code in PL SQL?
- How do you get DDL of a package in Oracle?
- What does it mean to wrap code?
What are cursors in SQL?
A cursor holds the rows (one or more) returned by a SQL statement.
The set of rows the cursor holds is referred to as the active set.
You can name a cursor so that it could be referred to in a program to fetch and process the rows returned by the SQL statement, one at a time..
Which is better procedure or package?
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.
How do I wrap a package in Oracle?
Running the Wrap UtilityTo run the Wrap Utility, enter the wrap command at your operating system prompt using the following syntax: wrap iname=input_file [oname=output_file]The wrap command requires only one argument, which is iname=input_file.where input_file is the name of the Wrap Utility input file.More items…
What is PL SQL code?
PL/SQL stands for “Procedural Language extensions to the Structured Query Language”. SQL is a popular language for both querying and updating data in the relational database management systems (RDBMS). PL/SQL adds many procedural constructs to SQL language to overcome some limitations of SQL.
Is in PL SQL?
Question: What is the difference between ‘IS’ and ‘AS’ in PL/SQL? Answer: The PL/SQL language evolved such the the “IS” and “AS” operators are equivalent. Functionally the “IS” and “AS” syntax performs identical functions and can be used interchangeably.
How do I wrap a PL SQL code in SQL Developer?
Steps To Wrap PL SQL Code Using Toad Example Click on the Menu Utilities > Wrap Code. For the Input File field, provide the source file name with the path (use the browse button). For the Output File field, provide the file name with the path.
What is wrapper program in Oracle?
The PL/SQL Wrapper converts PL/SQL source code into an intermediate form of object code. By hiding application internals, the Wrapper prevents. misuse of your application by other developers.
Can we execute a package in Oracle?
You can execute a procedure or function interactively by: Using an Oracle tool, such as SQL*Plus. Calling it explicitly in the code of a database application, such as an Oracle Forms or Precompiler application. Calling it explicitly in the code of another procedure or trigger.
Where do we use PL SQL?
PL/SQL gives high productivity to programmers as it can query, transform, and update data in a database. PL/SQL saves time on design and debugging by strong features, such as exception handling, encapsulation, data hiding, and object-oriented data types. Applications written in PL/SQL are fully portable.
How do I enable unwrap in SQL Developer?
Right-click within editor to show the pop-up-menu. Select Unwrap or simply press Ctrl-Shift-U to unwrap the code.
What are Oracle packages?
What is a Package? 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.
How do I run a package in SQL?
Right-click the package name and select Execute. Configure the package execution by using the settings on the Parameters, Connection Managers, and Advanced tabs in the Execute Package dialog box. Click OK to run the package. Use stored procedures to run the package.
How do you code in PL SQL?
This section starts with the keyword DECLARE. It is an optional section and defines all variables, cursors, subprograms, and other elements to be used in the program. This section is enclosed between the keywords BEGIN and END and it is a mandatory section.
How do you get DDL of a package in Oracle?
You simply execute dbms_metadata. get_ddl, specify the object names, and Oracle will extract ready-to-use DDL.
What does it mean to wrap code?
Wrapping is the process of hiding PL/SQL source code. Wrapping helps to protect your source code from business competitors and others who might misuse it. You can wrap PL/SQL source code with either the wrap utility or DBMS_DDL subprograms.