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PL/SQL Function. Summary: in this tutorial, you will learn how to develop a PL/SQL function and how to call it in various places such as an assignment statement, a Boolean expression, and an SQL statement.
- Cursors
The following statement creates a view that returns the...
- PL/SQL Procedure
Summary: in this tutorial, you will learn how to create,...
- Exception
PL/SQL treats all errors that occur in an anonymous block,...
- Cursors
27 gru 2023 · 1. From the following table, write a SQL query to calculate total purchase amount of all orders. Return total purchase amount. Sample table: orders.
Practices: SQL Functions. Practices for Lesson 4: Using Single-Row Functions to Customize Output. 26m. Practices for Lesson 5: Using Conversion Functions and Conditional Expressions. 13m. Practices for Lesson 6: Reporting Aggregated Data Using the Group Functions. 20m.
6 mar 2024 · PL/SQL (Procedural Language/Structured Query Language) is Oracle Corporation's procedural extension for SQL and the Oracle relational database. It enables users to combine SQL statements with procedural constructs, providing capabilities such as variables, loops, conditional statements, and exception handling.
A standalone function that you create with the CREATE FUNCTION statement differs from a function that you declare and define in a PL/SQL block or package. For more information, see " Function Declaration and Definition " and CREATE PACKAGE Statement .
9 kwi 2009 · The following SQL (using one of the analytical functions) will give you a random sample of a specific number of each occurrence of a particular value (similar to a GROUP BY) in a table. Here we sample 10 of each:
SQL*Plus and Server Manager from Oracle allows you to run any ANSI/ISO standard SQL statement on an Oracle database, as well as additional commands or functions. Although some Oracle tools and applications reduce or hide the use of SQL, SQL is used for all database operations.
