What language is PL SQL?

What language is PL SQL?

PL/SQL is a procedural language designed specifically to embrace SQL statements within its syntax. 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.

What is cursor declaration syntax?

To execute a multi-row query, Oracle opens an unnamed work area that stores processing information. A cursor lets you name the work area, access the information, and process the rows individually. For the syntax of datatype , see “Constant and Variable Declaration”. …

Is PL SQL high level language?

PL/SQL is a high-performance and highly integrated database language. Besides PL/SQL, you can use other programming languages such as Java, C#, and C++. However, it is easier to write efficient code in PL/SQL than other programming languages when it comes to interacting with the Oracle Database.

How do you write a cursor?

To use cursors in SQL procedures, you need to do the following:

  1. Declare a cursor that defines a result set.
  2. Open the cursor to establish the result set.
  3. Fetch the data into local variables as needed from the cursor, one row at a time.
  4. Close the cursor when done.

Is PL SQL a scripting language?

Oracle introduced PL/SQL (version 1.0) in its Oracle Database product version 6.0 as the scripting language in SQL*Plus and programming language in SQL*Forms 3.

What is cursor in Oracle SQL?

Cursors are used when the user needs to update records in a singleton fashion or in a row by row manner, in a database table. The Data that is stored in the Cursor is called the Active Data Set. Oracle DBMS has another predefined area in the main memory Set, within which the cursors are opened.

What is the difference between Oracle SQL and Plsql?

SQL is a declarative language. PL/SQL is a procedural 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.

Is PL SQL still used?

The answer is that PL/SQL is not growing, but not going away either. Because it is used in the Oracle database, and the Oracle database is a fixture of enterprise systems world-wide, it will outlive you. High-performance batch processing has to happen close to the data, so PL/SQL will continue to rule in this area.

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