Your question: What is the use of PL SQL in Oracle?

What is the purpose of using PL SQL?

Function. The purpose of a PL/SQL function is generally used to compute and return a single value. This returned value may be a single scalar value (such as a number, date or character string) or a single collection (such as a nested table or array).

What is the requirement to use PL SQL?

System requirements

x, 8i, 9i, 10g, 11g, 12c, 18c and 19c on any platform. To connect to an Oracle database, the 32 bit PL/SQL Developer version requires a 32 bit Oracle Client and the 64 bit PL/SQL Developer version requires a 64 bit Oracle Client.

Is PL SQL only for Oracle?

The PL/SQL engine can only be installed in an Oracle Database server or an application development tool such as Oracle Forms.

Is PL SQL better than SQL?

PL/SQL is a block structured language that enables developers to combine the power of SQL with procedural statements.

Comparisons of SQL and PLSQL:

SQL PLSQL
It is used to write queries, DDL and DML statements. It is accustomed write program blocks, functions, procedures triggers,and packages.

Which is better SQL or PL SQL?

PL/SQL can perform multiple operation at a time. SQL is a declarative language. … SQL is used to write queries, create and execute DDL and DML statments. PL/SQL is used to write program blocks, functions, procedures, triggers and packages.

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Which software is used for PL SQL?

PL/SQL program units are compiled by the Oracle Database server and stored inside the database. And at run-time, both PL/SQL and SQL run within the same server process, bringing optimal efficiency. PL/SQL automatically inherits the robustness, security, and portability of the Oracle Database.

Is PL SQL a programming language?

PL/SQL is a combination of SQL along with the procedural features of programming languages. It was developed by Oracle Corporation in the early 90’s to enhance the capabilities of SQL. PL/SQL is one of three key programming languages embedded in the Oracle Database, along with SQL itself and Java.

What are the different ways in which PL SQL can run?

You can run 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.