LAB 4 STUDENT NAME: Rajendhar Dayalan Student ID:12667690 Q1 Please write down the modified script for creating the add_jobs procedure into your report. CREATE OR REPLACE PROCEDURE ADD_JOBS (p_jobid IN jobs.job_id%TYPE‚ p_jobtitle IN jobs.job_title%TYPE‚ p_minsal IN jobs.min_salary%TYPE ) is v_maxsal jobs.max_salary%TYPE; BEGIN v_maxsal:= 2* p_minsal; Insert into jobs values(p_jobid‚p_jobtitle‚p_minsal‚v_maxsal); DBMS_OUTPUT.PUT_LINE (’Added the following
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SQL Exercises (with answers) Give the SQL commands for the following and answer any associated questions: (A) “Simple” SELECT Command Questions 1. Display all information in the tables EMP and DEPT. SELECT * FROM emp; SELECT * FROM dept; 2. 3. 4. 5. 6. 7. Display only the hire date and employee name for each employee. SELECT hiredate‚ ename FROM emp; Display the hire date‚ name and department number for all clerks. SELECT hiredate‚ ename‚ deptno FROM emp WHERE job = ’CLERK’; Display the names and
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Oracle Table Triggers Version 11.1 General Data Dictionary Views Related To DDL Triggers trigger$ dba_triggers all_triggers user_triggers System Privileges Related To Table Triggers create trigger create any trigger administer database trigger alter any trigger drop any trigger Table Trigger Firing Options -- before constraints are applied BEFORE INSERT BEFORE UPDATE BEFORE DELETE -- after constraints are applied AFTER INSERT AFTER UPDATE AFTER DELETE Transaction
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1. SELECT e.ename‚ e.deptno‚ d.dname‚ d.deptno FROM dept d LEFT OUTER JOIN emp e ON d.deptno = e.deptno ORDER BY d.deptno; SQL> SELECT e.ename‚ e.deptno‚ d.dname‚ d.deptno 2 FROM dept d 3 LEFT OUTER JOIN emp e 4 ON d.deptno = e.deptno 5 ORDER BY d.deptno; ENAME DEPTNO DNAME DEPTNO ---------- ---------- -------------- ---------- MILLER 10 ACCOUNTING 10 KING 10 ACCOUNTING
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Design Patterns FOR DUMmIES by Steve Holzner‚ PhD ‰ Design Patterns FOR DUMmIES ‰ Design Patterns FOR DUMmIES by Steve Holzner‚ PhD ‰ Design Patterns For Dummies® Published by Wiley Publishing‚ Inc. 111 River Street Hoboken‚ NJ 07030-5774 www.wiley.com Copyright © 2006 by Wiley Publishing‚ Inc.‚ Indianapolis‚ Indiana Gamma/Helm/Johnson/Vlissides‚ DESIGN PATTERNS: ELEMENTS OF REUSABLE OBJECT-ORIENTED SOFTWARE‚ © 1995 Pearson Education‚ Inc. Reprinted
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SELECT statement with syntax‚ examples‚ and practice exercises. Description The SQL SELECT statement is used to retrieve records from one or more tables in your SQL database.សេចក្តីថ្លែងការណ៍ SQL ដែលបានជ្រើសត្រូវបាន ប្រើដើម្បីទាញយកកំណត់ត្រា ពីតា រាង មួ យឬ ច្រើននៅក្នុងមូលដ្ឋានទិន្នន័យ SQL របស់អ្នក។ Syntax The syntax for the SQL SELECT statement is: SELECT expressions FROM tables WHERE conditions; Example - Select all fields from one table Let’s look at an example showing how to use the SQL
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word Example: Main Module … End Main Module Declare [DataVariableName] As [DataType] - DataVariableName can be any name chosen as long as it is one word - DataType can be one of the following basic types: Float‚ Real‚ Integer (real & integer are numbers)‚ String Example: Declare NumSandwiches As Integer Declare FirstName As String Display (or Write) [String or data variable to be displayed] - If string is used‚ you must have it start and end with quotations Example 1: Display
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Chapter 1 Okonkwo is the wealthy and respected warrior of the Umuofia clan. He defeated Amalinze the Cat in a wrestling match and brought honor to his village. Amalinze was undefeated for 7 years‚ so the win caused some attention towards Okonkwo. The thing was that Okonkwo’s father Unoka‚ was the total opposite. Unoka feared the sight of blood; however he was a skilled flute player‚ and had a love for language. Chapter 2 The town crier rings the ogene and asks for all of the clansmen to gather
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Goerge Orwell‚ in “Politics and the English Language”‚ demonstrates how to effectively express oneself with written language. To do so‚ Orwell states the “dos” and “don’ts” of effective writing. Because the rules for writing effectively are so complex‚ Orwell utilizes parallel structure to make the body structure of his essay more cohesive: “… it has nothing to do with archaism… it is especially concerned with the scrapping of… It has nothing to do with correct grammar… it is not concerned with…
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records from multiple tables with unions. Subqueries Subqueries are queries embedded in queries. They are used to retrieve data from one table based on data in another table. They generally are used when tables have some kind of relationship. For example‚ in the NorthWind database‚ the Orders table has a CustomerID field‚ which references a customer in the Customers table. Retrieving the CustomerID for a specific order is pretty straightforward. Code Sample 1 /* Find the CustomerID of the company
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