oracle database 11g sql fundamentals i pdf

... notation vary across organizations—the example given is very basic. Entity-relationship diagrams for applications with hundreds or thousands of entities can be challenging to interpret. EXERCISE ... Francisco, CA 94105 Storing the data in this table gives rise to several anomalies. First, here is the insertion anomaly: it is impossible to enter details of authors who are not yet SCENARIO ... design can handle. Also, the storage is very inefficient due to replication of address details across rows, and the possibility of error as this data is repeatedly entered is high. Normalization...

Ngày tải lên: 19/10/2013, 19:15

... model business data into a form suitable for storing in xix INTRODUCTION T here is an ever-increasing demand for staff with IT industry certification. The benefits to employers are significant—they ... certification tracks—this book is concerned with the Oracle Database Administration certification track, specifically for release 11g of the database. There are three levels of DBA certification: ... submits calls for data retrieval and modification to the database for execution. The Oracle Enterprise Manager is a comprehensive administration tool for monitoring, managing, and tuning the Oracle...

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... acquisitions, but two applications remain predominant. The Oracle E-Business Suite is a comprehensive suite of applications based around an accounting engine and Oracle Collaboration Suite is ... application and database? Is it possible to put a financial figure on this? The result of this study should give an idea of how critical the DBA’ s role is. CERTIFICATION OBJECTIVE 1.02 Explain ... exercise, with no specific solution. Identify the applications, application servers, and databases used in your environment. Then, concentrating on the databases, try to get a feeling for how big...

Ngày tải lên: 17/10/2013, 11:15

... partitioning types include hash partitioning (used to divide data into partitions using a hashing function and providing an even distribution of data) and list partitioning (enabling partitioning ... described in the following subsections. Partitioning option Oracle introduced partitioning as an option with Oracle8 to provide a higher degree of manageability and availability. Youcan take individual ... standalone Oracle Business Intelligence Standard Edition Suite. Oracle s flagship product in this area is Oracle Business Intelligence Enterprise Edi- tion Suite (OBI EE) originally consisting of...

Ngày tải lên: 13/12/2013, 03:15

... purchase PDF Split-Merge on www.verypdf.com to remove this watermark. Writing Multiple-Table Queries 209 Asia Israel Middle East and Africa Israel Europe India Americas India Asia India Middle East ... Israel Asia Israel Middle East and Africa Israel Europe India Americas India Asia India Middle East and Africa India Europe Italy 95127c04.indd 209 2/18/09 9:43:37 AM Please purchase PDF Split-Merge ... regions.region_id, region_name, countries.country_id, country_name, location_id, city FROM regions, countries, locations WHERE regions.region_id = countries.region_id AND countries.country_id...

Ngày tải lên: 15/12/2013, 05:15

... customize the options shown in Figure 14.3, you will get a screen similar to Figure 14.4 for choosing options. FIGURE 14.4 Customize Options for the Gather Optimizer Statistics screen in EM Database ... Administering Undo Compared with configuring rollback operations in releases previous to Oracle9 i, managing undo in later versions of Oracle requires little intervention. However, two particular situ- ations ... PL /SQL Programs Oracle 11g comes bundled with hundreds of built-in packages that give you significant capabilities for administering your database. Many features in the database are imple- mented...

Ngày tải lên: 24/12/2013, 02:17

... control. In this chapter, I will first describe the components you will use to minimize or eliminate data loss in your database while at the same time keeping availability high. Specifically, I will ... up the database. Multiplexing Control Files Using an Spfile Multiplexing using a binary spfile is similar to multiplexing using init.ora . The major difference is in how the CONTROL_FILES parameter ... sound like something you might avoid in a database, it is a way to maintain the availability of the database while perform- ing backups. An inconsistent backup, also known as an online backup, is...

Ngày tải lên: 24/12/2013, 02:17

... $ORACLE_ HOME/dbs directory. Which file is used to start up the database instance when you issue the STARTUP command? A. initOCA11G.ora B. OCA11Gspfile.ora C. spfile.ora D. init.ora 11. Which initialization ... kinds of information Oracle writes to the alert log. Be able to identify the database initialization parameter that provides the location of the alert log. Be familiar with the metadata dictionary. ... database V $SQL Displays information about the SQL statements that database users have been issuing You can find a complete list of the Oracle 11g data dictionary views in Part III of the Oracle Database...

Ngày tải lên: 24/12/2013, 13:16

... scope for this book. Using Nonstandard Block Sizes The block size used while creating the database is specified in the initialization parameter using the DB_BLOCK_SIZE parameter. This is known ... columns. To build additional indexes on the IOT, Oracle uses a logical ROWID , which is derived from the primary key values of the IOT. The logical ROWID can include a guessed physical location of ... of the index is unique. For composite indexes, Oracle guarantees that the combination of all index column values in the composite index is unique. Oracle returns an error if you try to insert...

Ngày tải lên: 24/12/2013, 13:16

... using dynamic service registration over static service registration. Also, be aware of the situations in which you have to use static service registration. Lastly, be familiar with the initialization ... TCP/IP. HOST Specifies the name of the machine on which the listener is running. An IP address can also be specified in TCP/IP. PORT Specifies the listening location of the listener specific ... main categories: connectivity, directory services, scalability, security, and accessibility. Oracle Net provides support to n-tier architecture, where middleware components such as application...

Ngày tải lên: 24/12/2013, 13:16

... (pi.product_id = np.product_id) WHEN MATCHED THEN UPDATE SET pi.list_price =np.list_price ,pi.min_price = np.min_price WHEN NOT MATCHED THEN INSERT (pi.product_id,pi.category_id ,pi.list_price,pi.min_price) ... PROFILE or ALTER PROFILE statement like this: CREATE PROFILE admi_profile LIMIT COMPOSITE_LIMIT UNLIMITED; ALTER PROFILE data_analyst LIMIT COMPOSITE_LIMIT 100000; 95127c12.indd 690 2/17/09 2:43:46 ... path inserts, be careful with FGA. If an FGA policy is enabled on a table participating in a direct path insert, the auditing over- rides the hint, disabling the direct path access and causing...

Ngày tải lên: 24/12/2013, 13:16