Recent questions tagged syntax

Write and explain syntax for creating view with example.
Answer : Of course. Here is a detailed explanation of how to create a view in SQL, complete with syntax, an explanation of its components, and a practical, step-by-step example. --- ### What is a ... underlying `JOIN` between `Customers` and `Orders`. They are working with a simple, clean, virtual table....

Write syntax for creating synonyms with example
Answer : Of course. Here is a detailed explanation of the syntax for creating synonyms in SQL, including their purpose, types, and practical examples. --- ### What is a Synonym? A **Synonym** is an ... A DBA would be needed to drop a public synonym: ```sql DROP PUBLIC SYNONYM all_employees; ```...

Write step by step syntax to create, open and close cursor in PL/SQL.
Answer : Of course. Here is a step-by-step guide to the syntax for creating, opening, fetching from, and closing a cursor in PL/SQL, complete with a full, practical example. --- ### Introduction: The Cursor Lifecycle Working ... END IF; DBMS_OUTPUT.PUT_LINE('An error occurred.'); END; / ```...

Describe commit and rollback with syntax and example.
Answer : Of course. Here is a detailed description of `COMMIT` and `ROLLBACK`, including their purpose, syntax, and a practical example that shows how they work together. --- ### Introduction: The Concept ... all changes in the transaction. | When an error occurs or the transaction needs to be canceled. |...

List Four DDL commands with syntax.
Answer : Of course. Here are four fundamental DDL (Data Definition Language) commands, complete with their purpose, general syntax, and a practical example for each. --- ### Introduction to DDL **Data ... To quickly delete all data from a table, leaving its structure. | `TRUNCATE TABLE Students;` |...