Recent questions tagged cursor

Explain cursor with example.
Answer : Of course. Here is a detailed explanation of a cursor in SQL/PL/SQL, including its purpose, a step-by-step lifecycle, and a complete, practical example. --- ### What is a Cursor? A ... resources that were allocated to the cursor's result set. This is a crucial step for good resource management....

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; / ```...

Define Cursor. List the two types of cursor.
Answer : Of course. Here is a detailed distinction between the Network Model and the Hierarchical Model, two early and influential database models. --- ### Introduction Both the **Hierarchical Model** and ... way for the much simpler and more flexible **Relational Model** to become the dominant standard....