What Programming Language Features Are Used In Oracle PL/SQL?
Introduction:
Oracle PL/SQL (Procedural Language for SQL) is Oracle’s procedural extension for SQL that extends the capabilities of Structured Query Language or SQL. Oracle’s PL/SQL comprises elements like conditions and loops that support the declaration of procedures and functions, thereby allowing the users to send a block of statements to the database. This helps in reducing the traffic between the app and the database significantly. This programming language is extremely readable and designed to accept SQL statements within its syntax. It uses programming language features like Iterative Statements and Conditional Statements, which we will discuss in detail. Some other features of Oracle PL/SQL involve PL/SQL Data Types, Dynamic SQL, PL/SQL Optimize level, Compilation Of PL/SQL Units For Native Execution, Exception Handling, Conditional Compilation and Bulk Binding. Organizations increasingly use Oracle’s PL/SQL, making this procedural language extremely popular. One can take up Oracle PL/SQL Online Training to learn more about this platform.
This blog provides an insight into the two most important programming language features used in Oracle PL/SQL: Iterative Statements and Conditional Statements. Read on to learn more about these features.
Iterative Statements in PL/SQL:
The Iterative Statements used in PL/SQL are used to repeat the execution of certain statements multiple times with the help of different Loops. These Loops provide a mechanism
to perform specific tasks numerous times without writing them multiple times. The different Loops include the following:
1. Basic Loop: It executes the statement provided a specific number of times until the exit condition is met. There is also an Increment Statement in the Loop that is used to increase or decrease the changing variable in the Loop.
2. WHILE Loop: This PL/SQL Loop is used to check the entry condition. In case the entry condition is true, the Loop is executed. The WHILE Loop first checks the condition provided in the boolean expression. If the condition is detected to be false, the control will not enter the Loop.
3. For Loop: This Loop in PL/SQL provides implicit variable declaration, increments the variable by one, and an implicit exit. This Loop does not require the user to declare the variable, unlike the previous two Loops.
Conditional Statements in PL/SQL:
The Condition Statements in PL/SQL are used to test specific conditions and execute the statements based on the test outcome. PL/SQL Conditional Statements are of two types:
1. If Statements: This statement in PL/SQL executes certain statements if a given condition is true. It is used to test a particular condition. The output depends upon the outcome of the given condition. If the condition is true, only then the statement for the true condition is executed. The IF Statement is further divided into IF THEN Statement, IF THEN ELSE Statement, and IF THEN ELSE IF Statement.
2. CASE Statements: This statement in PL/SQL is similar to the IF Statement. The CASE Statement chooses the suitable alternative from a set of multiple conditions. This Statement is subdivided into Simple CASE Statements and Searched CASE Statements.
Benefits of Oracle PL/SQL:
Oracle’s PL/SQL makes application development significantly easier on the Oracle database. This procedural language is highly readable and supports various programming languages like PHP, Java, Perl, C, and C++. Let us look at some other significant benefits of Oracle PL/SQL.
• Oracle PL/SQL supports integration with SQL
• It provides improved performance
• Oracle’s PL/SQL facilitates greater productivity
• This language allows for greater Portability and Scalability
• It provides improved Manageability
• Oracle PL/SQL supports Object-Oriented Programming
Conclusion:
To sum up, Oracle PL/SQL is an extremely popular procedural language that is highly readable and designed to accept SQL statements within its syntax. It comprises elements like conditions and loops that support the declaration of procedures and functions. Some significant features of Oracle PL/SQL include PL/SQL Data Types, Dynamic SQL, PL/SQL Optimize level, Compilation Of PL/SQL Units For Native Execution, Exception Handling, Conditional Compilation, and Bulk Binding. Oracle’s PL/SQL uses programming language features like
Iterative Statements and Conditional Statements. The Iterative Statements used are used to repeat the execution of certain statements multiple times with the help of different Loops. It comprises BASIC Loop, WHILE Loop, and FOR Loop. The Condition Statements are used to test specific conditions and execute the statements based on the test outcome. This statement comprises IF Statements and CASE Statements. Aspiring developers can join the Oracle PL/SQL Course in Delhi to learn more about this platform.
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