database systems using oracle nilesh shah pdf free download

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... Q22 When comparing a relational database with an object-oriented database, which of the following statements correctly describes the object-oriented database? a) It can express real world ... precision ratio used as measures in evaluating information retrieval systems, such as document retrieval systems and data retrieval systems? Here, A , B and C indicate the following. A : The ... is a database in which data additions, changes, and deletions occur at a certain low frequency. The interval between backups has been increased to twice the current level for backing the database...

Ngày tải lên: 24/08/2012, 15:44

... Backup/Restore feature (i) Database backup and restoration can be done for the entire database or for individual tables. (ii) “Entire database backup” saves the entire database on backup media. ... After the database restored by entire database backup, it can be restored to a specific time using the acquired update log and roll-forward processing. (iii) The time required for recovery using ... Network Development 180 135 9,000 6,750 112 Public Sector Systems Development 50 26 2,500 1,325 113 Testing 80400 0 114 Distribution Systems Development 333 149 16,650 7,492 … … … … …...

Ngày tải lên: 24/08/2012, 15:44

... received Shipment Shipment detail Order detail Direct shipment A B October, 2005 VITEC Database Systems Engineer Examination (Afternoon, Part 2) 1. Examination Time-14:30-16:30 (120 ... (1) Entity types are indicated using rectangles. (2) The entity type name is written inside the rectangle. (3) The relationship between entity types is indicated using a line. (4) For a “1-to-1 ... system Sales performance Masters Masters, sales performance, etc. Operations database Information system Analytical database - 5 - (Shipment scheduling) • Order information is organized into...

Ngày tải lên: 24/08/2012, 15:44

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Ngày tải lên: 14/12/2013, 16:15

... First, these systems focus on the processing of textual sources. This type of design information would be hard to describe using traditional textual data. Another major problem with using traditional ... Manufacture, 208(B1):71-80. Chang, C.A. and C Y. Tsai, (1997) Using ART1 neural networks with destructive solid geometry for design retrieval systems, Computers in Industry, 34(1):27-41. Chen, C.S. ... 1- 4):227-233. Garza, A.G. and M.L. Maher, (1996) Design by interactive exploration using memory-based techniques, Knowledge-Based Systems, 9:151-161. Kumara, S.R.T. and S.V. Kamarthi, (1992) Application...

Ngày tải lên: 17/12/2013, 06:15

... purchase PDF Split-Merge on www.verypdf.com to remove this watermark. 732 Chapter 13 N Managing Data and Undo Database Trigger Events Database event triggers fire when the specified database- level ... work in Oracle 11g database and how undo is managed. To create, change, and remove data from an Oracle Database, use the INSERT , UPDATE , MERGE , and DELETE statements. Although Oracle ... learn about all the database- management and performance- management tools available to DBAs for better database administration. Proactive Database Maintenance You can monitor your systems for management...

Ngày tải lên: 24/12/2013, 02:17

... 26-OCT-08 RMAN> Backing Up the Database An Oracle 11g database can be backed using different modes, depending on the ARCHIVELOG setting of the database. If the database is in ARCHIVELOG mode, ... B 95127c14.indd 832 2/17/09 2:54:23 PM Please purchase PDF Split-Merge on www.verypdf.com to remove this watermark. Chapter 15 Implementing Database Backups ORACLE DATABASE 11g: ADMINISTRATION I EXAM OBJECTIVES ... keep availability high because the database is open while the backup is performed. Backups can be performed using two methods: using user-managed backup or using Oracle s backup and recovery tool...

Ngày tải lên: 24/12/2013, 02:17

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Ngày tải lên: 24/12/2013, 03:15

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Ngày tải lên: 24/12/2013, 03:16

... Mappings, and Instances (cont.) COP 4710: Database Systems (Day 3) Page 1 Mark Llewellyn COP 4710: Database Systems Spring 2004 Introduction to Database Systems – Part 2 BÀI 2, 1/2 ngày School ... (cont.) COP 4710: Database Systems (Day 3) Page 15 Mark Llewellyn • The overall description of the database is called the database schema. • There are three different types of schema in the database ... Conceptual Level COP 4710: Database Systems (Day 3) Page 10 Mark Llewellyn • The external level is the user’s view of the database. • This level describes that part of the database which is relevant...

Ngày tải lên: 24/12/2013, 12:16

... view COP 4710: Database Systems (Day 17) Page 15 Mark Llewellyn The PRODUCT Table in Access(-) COP 4710: Database Systems (Day 17) Page 9 Mark Llewellyn An Example Database COP 4710: Database Systems ... column COP 4710: Database Systems (Day 17) Page 49 Mark Llewellyn Using Computed Columns and Column Aliases (cont.) The computed column with its alias. COP 4710: Database Systems (Day 17) ... Database Systems (Day 17) Page 1 Mark Llewellyn COP 4710: Database Systems Spring 2004 Introduction to SQL BÀI 13, 2 ngày COP 4710: Database Systems Spring 2004 Introduction to SQL BÀI 13, 2 ngày School...

Ngày tải lên: 21/01/2014, 18:20

... tables. • Views are created in SQL using the CREATE VIEW command. COP 4710: Database Systems (Day 18) Page 34 Mark Llewellyn An Example Database( +) COP 4710: Database Systems (Day 18) Page 24 Mark ... COP 4710: Database Systems (Day 18) Page 27 Mark Llewellyn Union Operator (cont.) COP 4710: Database Systems (Day 18) Page 42 Mark Llewellyn Join With Using Clause (cont.) • An ... attribute. ### ###  #-#$ )./ 01 0213203 4.5 651 667.6 880 1265020 2965:20 620# COP 4710: Database Systems (Day 18) Page 2 Mark Llewellyn An Example Database( +) COP 4710: Database Systems (Day 18) Page 7 Mark Llewellyn The LIKE Special...

Ngày tải lên: 21/01/2014, 18:20

... document, see the following documents: ■ Oracle Database 2 Day DBA ■ Oracle Database Administrator's Guide ■ Oracle Database Concepts ■ Oracle Database Performance Tuning Guide Conventions The ... intended for Oracle database administrators (DBAs) who want to tune and optimize the performance of their Oracle Database. Before using this document, you should complete Oracle Database 2 Day ... Step-By-Step Performance Tuning Using Oracle Diagnostics Pack, Oracle Database Tuning Pack, and Oracle Enterprise Manager Viewing Snapshot Statistics 3-10 Oracle Database 2 Day + Performance Tuning...

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