1. A cursor is declared as: CURSOR c IS SELECT * FROM departments FOR UPDATE; After opening the cursor and fetching some rows, you want to delete the most recently fetched…

1. A cursor is declared as: CURSOR c IS SELECT * FROM departments FOR UPDATE; After opening the cursor and fetching some rows, you want to delete the most recently fetched…

1. Examine the following code: CREATE TRIGGER emp_trigg AFTER UPDATE OF salary ON employees FOR EACH ROW DECLARE v_count NUMBER; BEGIN -- Line A END; Which of the following…

1. The employees table contains 11 columns. The following block declares a cursor and a record based on the cursor: DECLARE CURSOR emp_curs IS SELECT * FROM employees; v_emp_rec…

1. Manipulando Datos 2. ObjectivesAfter completing this lesson, you should be able to do thefollowing: • Describe each data manipulation language (DML) statement • Insert…

Slide 1Database Management Systems, hyunja Lee1 The Entity-Relationship Model Chapter 2 Slide 2 Database Management Systems, hyunja Lee2 Overview of Database Design Miniworld…

Slide 1Logical DB Design: ER to Relational Entity sets to tables. Employees ssn name lot CREATE TABLE Employees (ssn CHAR (11), name CHAR (20), lot INTEGER, PRIMARY KEY (ssn))…

1. Working with Composite Data Types 2. Objectives After completing this lesson, you should be able to do the following: Create user-defined PL/SQL records Create a record…

1. Manipulating Data 2. Objectives After completing this lesson, you should be able to do the following: Describe each data manipulation language (DML) statement Insert rows…

Oracle Database 10g: SQL Fundamentals II Student Guide ⢠Volume 1 D17111GC11 Edition 1.1 August 2004 Applied Copyright © 2004, Oracle. All rights reserved. Introduction…