oracle database basics ppt

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Ngày tải lên: 23/03/2014, 16:20

... Oracle resources: ■ Oracle Database Recovery Manager Quick Start Guide ■ Oracle Database Backup and Recovery Advanced User's Guide ■ Oracle Database Recovery Manager Reference ■ Oracle Database ... Reference ■ Oracle Database Utilities Many of the examples in this book use the sample schemas of the seed database, which is installed by default when you install Oracle. Refer to Oracle Database Sample ... for such purposes, and Oracle Corporation disclaims liability for any damages caused by such use of the Programs. Oracle is a registered trademark, and Oracle Store, Oracle7 , Oracle8 , Oracle9 i, PL/SQL,...

Ngày tải lên: 18/10/2013, 17:15

... 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 ... 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; ... state- ments. Understanding Oracle s consistency model will enable you to employ transaction control appropriately and answer exam questions about transaction control correctly. Oracle implements consistency...

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 ... Manager (EM) Database Control. Before learning to administer the Oracle 11g database, let’s start with the basics. In the next section, you’ll learn about Oracle 11g architecture. Oracle 11g...

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

... OCI Driver Oracle Net RDBMS Oracle Net TCP/IP Network In this example, the Java application installed on the client uses the JDBC OCI driver and Oracle Database server. When an application makes a database ... experienced Oracle database administrator has seen this maturation process in the Oracle network architecture as well. From the first version of SQL*Net to the latest releases of Oracle Net, Oracle ... Architecture ORACLE DATABASE 11g: ADMINISTRATION I EXAM OBJECTIVES COVERED IN THIS CHAPTER: Configuring the Oracle Network Environment Configure and Manage the Oracle Network  Using the Oracle...

Ngày tải lên: 14/12/2013, 15:15

... called script files. Data in the Oracle database is managed and accessed using SQL. A SELECT statement is the basic form of querying or reading records from the database table. You can limit ... the database. This view has several columns that show various information about the session; often the DBA is interested in finding out the username and which program is connecting to the database. ... variables, Oracle uses these values to execute the script. Summary This chapter started off with reviewing the fundamentals of SQL. You also saw an overview of SQL*Plus in this chapter. SQL*Plus is Oracle s...

Ngày tải lên: 15/12/2013, 05:15