'Department id' diaporamas de présentation

Introduction to SQL

Introduction to SQL. Mr. Anser Ghazzaal Lecturer ,Information System Department. Defining a Database.

1.5k views • 142 slides

Le BASI DI DATI : le fondamenta dei moderni sistemi Software

1.02k views • 88 slides

Group functions cannot be used in the WHERE clause: SELECT type_code FROM d_songs

Group functions cannot be used in the WHERE clause: SELECT type_code FROM d_songs WHERE SUM (duration) = 100; (this will give an error) ----------------------------------------------------------------------------------------

926 views • 79 slides

806 views • 66 slides

Database Design

704 views • 58 slides

Relational Databases

Relational Databases. Week 9 INFM 603. Agenda. Questions Relational database design Microsoft Access MySQL Scalability. Databases. Database Collection of data, organized to support access Models some aspects of reality DataBase Management System (DBMS)

1.61k views • 54 slides

JDeveloper 10g and Oracle ADF Business Components Getting the Most Out of Your Data

JDeveloper 10g and Oracle ADF Business Components Getting the Most Out of Your Data. Avrom Roy-Faderman Senior Programmer November, 2005. Agenda. J2EE, ADF, and JDeveloper Why Business Components? Reading Data Changing Data Transactions Demo Q&A. What Is J2EE?.

619 views • 45 slides

Databases

Databases. Week 6 LBSC 690 Information Technology. Agenda. Questions Relational database design Microsoft Access. Databases. Database Collection of data, organized to support access Models some aspects of reality DataBase Management System (DBMS)

492 views • 44 slides

Automatic Generation of Web-Based GIS/Database Applications

Automatic Generation of Web-Based GIS/Database Applications. Nirut Chalainanont Junya Sano Toshimi Minoura Department of Computer Science Oregon State University Corvallis, Oregon, 97331-4602 minoura@eecs.orst.edu. Outline. Web-based GIS/database applications WebGD Framework

559 views • 44 slides

Writing Explicit Cursors

Writing Explicit Cursors. Objectives. After completing this lesson, you should be able to do the following: Distinguish between an implicit and an explicit cursor Use a PL/SQL record variable Write a cursor FOR loop. About Cursors.

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Practical Internals in Oracle 11 g Result Cache

732 views • 39 slides

Displaying Data from Multiple Tables

Displaying Data from Multiple Tables. Obtaining Data from Multiple Tables. Sometimes you need to use data from more than one table. In example1, the report displays data from two separate tables. Employee IDs exist in the EMPLOYEES table.

608 views • 34 slides

Program with PL/SQL

Program with PL/SQL. Lesson 3. Interacting with the Oracle Server. Extract a row of data from the database by using the SELECT command Make changes to rows in the database by using DML commands Control a transaction with the COMMIT , ROLLBACK , or SAVEPOINT command

324 views • 24 slides

Interacting with the Oracle Server

Interacting with the Oracle Server. Objectives. After completing this lesson, you should be able to do the following: Decide which SQL statements can be directly included in a PL/SQL executable block Manipulate data with DML statements in PL/SQL Use transaction control statements in PL/SQL

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SQL1-ch2

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Using Subqueries to Solve Queries

Using Subqueries to Solve Queries. Objectives. After completing this lesson, you should be able to do the following: Define subqueries Describe the types of problems that subqueries can solve List the types of subqueries Write single-row and multiple-row subqueries.

224 views • 19 slides

Using Functions in SQL Statements

Using Functions in SQL Statements. What Will I Learn?. List the advantages of user-defined functions in SQL statements List where user-defined functions can be called from within an SQL statement Describe the restrictions on calling functions from SQL statements. Why Learn It?.

344 views • 18 slides

Introduction

Introduction. Lesson Objectives. After completing this lesson, you should be able to do the following: List the course objectives and explain the class structure Review the Oracle Database 10 g architecture. Course Objectives. In this course, you gain experience in:

331 views • 17 slides

Effort Reporting

Effort Reporting. What is it and how is Effort determined? Presented by Sponsored Programs Accounting. What is Effort Reporting?. Required by OMB Circular A-21: Section J(2).

315 views • 17 slides

FUNZIONI DI GRUPPO

FUNZIONI DI GRUPPO Le funzioni di gruppo operano su un set di record restituendo un risultato per il gruppo. AVG ([DISTINCT|ALL] n) media, ignora i valori nulli COUNT ({* | [DISTINCT|ALL]} espr) MAX ( [DISTINCT|ALL] espr) MIN ([DISTINCT|ALL] espr)

494 views • 17 slides