oracle database concepts ppt

Ngày tải lên: 21/12/2013, 04:16

Ngày tải lên: 17/03/2014, 00:20

... upgrading a previous release of Oracle ■ Oracle Database Administrator's Guide for information about how to administer the Oracle database server ■ Oracle Database Application Developer's ... information about developing Oracle database applications ■ Oracle Database Performance Tuning Guide for information about optimizing performance of an Oracle database ■ Oracle Data Warehousing Guide ... Accessibility xlv Part I What Is Oracle? 1 Introduction to the Oracle Database Oracle Database Architecture 1-1 Overview of Oracle Grid Architecture - XXX 1-2 Oracle Technologies that Enable the...

Ngày tải lên: 22/10/2013, 15:15

Ngày tải lên: 24/12/2013, 21:15

Ngày tải lên: 17/01/2014, 06:20

Ngày tải lên: 07/03/2014, 23:20

Ngày tải lên: 17/03/2014, 00:20

Ngày tải lên: 23/03/2014, 16:20

Ngày tải lên: 30/03/2014, 22:20

... features in Oracle Advanced Security: ■ Oracle Database 10g Release 1 (10.1) New Features in Oracle Advanced Security ■ Oracle9 i Release 2 (9.2) New Features in Oracle Advanced Security Oracle Database ... an Oracle Database Server 6-2 Task 3: Extract a Service Table from Kerberos 6-3 Task 4: Install an Oracle Database Server and an Oracle Client 6-4 Task 5: Install Oracle Net Services and Oracle ... top level ORACLE_ HOME directory. There is a top level directory called ORACLE_ BASE that by default is C: \oracle. If you install the latest Oracle release on a computer with no other Oracle software installed,...

Ngày tải lên: 10/12/2013, 13:15

Ngày tải lên: 10/12/2013, 13:15

... you to internationalize your Oracle database system. NLS internationalizations include date representations, char- acter sets, alphabets, and alphabetical ordering. Oracle will implicitly or automatically ... to a numeric or datetime value. Character datatypes in Oracle 11g are CHAR, VARCHAR2, NCHAR, NVARCHAR2, and CLOB. Numeric datatypes in Oracle 95127c02.indd 101 2/18/09 6:46:42 AM Please purchase ... argument will tell Oracle what format the input given in the first argument should be. The third argument may be to specify an NLS string. You can use NLS parameters to tell Oracle what character...

Ngày tải lên: 14/12/2013, 15:15

... use to calculate space usage in a database. The DBA_SEGMENTS dictionary view shows the segments allocated in the database each table or index created in the database must have at least one ... PDF Split-Merge on www.verypdf.com to remove this watermark. Chapter 3 Using Group Functions ORACLE DATABASE 11g: SQL FUNDAMENTALS I EXAM OBJECTIVES COVERED IN THIS CHAPTER: Reporting Aggregated ... option is useful only if you are running the Oracle Parallel Server and have multiple instances. LANGUAGE ÛN returns the language, territory, and database character set. The delimiters are an...

Ngày tải lên: 14/12/2013, 15:15

... execute a join of three or more tables, Oracle takes these steps: 1. Oracle joins two of the tables based on the join conditions, comparing their columns. 2. Oracle joins the result to another table, ... Split-Merge on www.verypdf.com to remove this watermark. Chapter 4 Using Joins and Subqueries ORACLE DATABASE 11g: SQL FUNDAMENTALS I EXAM OBJECTIVES COVERED IN THIS CHAPTER Displaying data from ... can nest any number of such queries; Oracle does not have a limit. Using the inline view, you can write queries to find top-n values. This is possible because Oracle allows an ORDER BY clause...

Ngày tải lên: 14/12/2013, 15:15

... This support is germane only to multiuser databases, where one database session can change (and commit) data that is being read by another session. Oracle always uses statement-level consistency, ... Mechanism Locks are implemented by Oracle Database to prevent destructive interaction between concurrent transactions. Locks are acquired automatically by Oracle when a DML state- ment is executed; ... sections. Consistency and Transactions Data consistency is one of the key concepts underlying the use of transaction-control state- ments. Understanding Oracle s consistency model will enable you to employ transaction...

Ngày tải lên: 14/12/2013, 15:15

... 1 | | 2 | INDEX FAST FULL SCAN| INVENTORY_IX | 1112 | Oracle used the INVENTORY_IX index to get the result. You can see here that Oracle did not read the table to get the result; only the ... unique indexes, each column value entry is unique. 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 ... high- to medium-cardinality columns and do support row-level locking. Know how Oracle will resolve table references. Oracle will first search for a table or view that matches the referenced name....

Ngày tải lên: 14/12/2013, 15:15

... Oracle Database 11g Components and Architecture The Oracle Instance An Oracle database instance consists of Oracle s main memory structure, called the system global area (SGA), and several Oracle ... the Oracle documentation’s Oracle Database Installation Guide 11g Release 1 for Linux, specifically, Chapter 2, Oracle Database Pre-installation Requirements.” As mentioned earlier, all Oracle ... Introducing Oracle Database 11g Components and Architecture Installing Oracle 11g One of your duties as an Oracle DBA is to install and configure the Oracle 11g software on the server so that a database...

Ngày tải lên: 14/12/2013, 15:15

...  Creating an Oracle 11g Database Use Oracle- Managed Files If you choose Use Oracle- Managed Files, you let the Oracle Database manage the operating- system files comprising the database. As a ... standard database installation (see Figure 9.14). These features are the Oracle JVM, Oracle XML DB, Oracle Multimedia, and Oracle Application Express. FIGURE 9.14 DBCA standard database components What ... /var/opt/ oracle/ oratab file on Solaris). When databases are created on this server, this file will have information about the database and which oracle home directory is used by the database. If...

Ngày tải lên: 14/12/2013, 15:15

... to start up an Oracle Database. Understand how to use the database tools to start up an Oracle Database. Describe the database- shutdown modes. Understand the various modes of database shutdown. ... what each database- shutdown option is and when you might use the option. Be able to shut down an Oracle Database. Understand how to use the database tools to shut down an Oracle Database. Know ... the fully qualified name of a database? A. ORACLE SID B. Global database name C. Global identifier D. Oracle global name E. ORACLE ID 9. Which of the following Oracle accounts is not automatically...

Ngày tải lên: 14/12/2013, 15:15

... Tablespaces 543 UNDOTBS1 C: \ORACLE\ ORADATA\ORA11\UNDOTBS01.DBF 51200 SYSTEM C: \ORACLE\ ORADATA\ORA11\SYSTEM01.DBF 460800 EXAMPLE C: \ORACLE\ ORADATA\ORA11\EXAMPLE01.DBF 153600 INDX C: \ORACLE\ ORADATA\ORA11\INDX01.DBF ... certification exam. To learn more about partitioning, read Oracle 11g Administrators Guide” in the Oracle documentation ( http://tahiti .oracle. com ). Oracle allocates a segment to the table when the table ... TABLESPACE receivables ONLINE; Using the Oracle Managed Files Feature The Oracle Managed Files feature is appropriate for smaller nonproduction databases or databases on disks using Logical Volume...

Ngày tải lên: 14/12/2013, 15:15