oracle database 11g a beginner guide free download

... not have found —Roopesh Trang 3This page intentionally left blank Trang 4CONTENTS AT A GLANCE Part I Oracle Database 11g Administration Chapter 1 Architectural Overview of Oracle Database 11g ... xxix Part I Oracle Database 11g Administration Chapter 1 Architectural Overview of Oracle Database 11g 3 Exam Objectives 3 Oracle Product Stack 4 Oracle Server Family 4 Oracle Development ... Create a Database by Using the Database Configuration Assistant 77 The Instance, the Database, and the Data Dictionary 78 Using the DBCA to Create a Database 79 The Scripts and Other

Ngày tải lên: 06/07/2014, 13:20

... the database creation process, along with a large number of PL/SQL packages that are provided by Oracle to assist database administrators in managing the database and programmers in developing applications ... $ORACLE_HOME/dbs/initSID.ora and on Windows, %ORACLE_HOME%\database\SPFILESID.ORA %ORACLE_HOME%\database\SPFILE.ORA %ORACLE_HOME%\database\INITSID.ORA Figure 3-8 Sequential search for an instance parameter file ... even available through Database Control Exercise 3-2: Conduct a Startup and a Shutdown Use SQL*Plus to start an instance and open a database, then Database Control to shut it down If the database

Ngày tải lên: 06/07/2014, 13:20

... Oracle Shared Server Architecture 133 Trang 9Networking is an integral part of the client-server database architecture that is fundamental to all modern relational databases The Oracle database ... ports for each database ý A and B A is wrong because you can use Database Console, but you will need separate instances for each database B is wrong because while Grid Control may be a better ... What action should you take after terminating the instance with SHUTDOWN ABORT? (Choose the best answer.) A Back up the database immediately Trang 4 B Open the database, and perform database

Ngày tải lên: 06/07/2014, 13:20

... the command into its components There is a database user name (“STORE”), followed by a database password (“ADMIN123”), and the two are separated by a “/” as a delimiter Then there is an “@” symbol, ... graphical tools to manage Oracle Net: Enterprise Manager (Database Control or Grid Control), the Net Manager, and the Net Configuration Assistant The latter two tools are both written in Java ... with a database: static and dynamic registration For static registration, you hard-code a list of instances in the listener.ora file Dynamic registration means that the instance itself, at startup

Ngày tải lên: 06/07/2014, 13:20

... in more than one database) is treated as an atomic transaction: the changes must succeed in all databases or be rolled back in all databases. Read consistency is also maintained across the ... database can execute SQL statements against another database. This is done through a database link. There are several options for creating database links (all to do with security), but a simple ... far, Oracle Net has been discussed in the context of users connecting to database instances. Oracle Net can also be used for communications between databases: a user session against one database

Ngày tải lên: 06/07/2014, 13:20

... processing capacity is taken up with managing the context switches, leaving a relatively small amount of processing capacity available for actually doing work There may also be memory problems that occur ... to maintain the state of the session and as a work area for operations such as sorting rows Clearly, the PGAs cannot be in shared memory: they contain data unique to each session In many operating ... registration It follows that shared server is configured though instance initialization parameters There are a number of relevant parameters, but two are all that are usually necessary: dispatchers

Ngày tải lên: 06/07/2014, 13:20

... The Oracle Data Storage Model The separation of logical from physical storage is a necessary part of the relational database paradigm The relational paradigm states that programmers should address ... never see a physical datafile All they see are logical segments System administrators never see a logical segment All they see are physical datafiles The Oracle database provides an abstraction ... be made up of many datafiles This means that any one segment may be spread across multiple datafiles, and any one datafile may contain all of or parts of many segments This solves many storage

Ngày tải lên: 06/07/2014, 13:20

... Create and Manage Tablespaces Tablespaces are repositories for schema data, including the data dictionary (which is the SYS schema). All databases must have a SYSTEM tablespace and a SYSAUX tablespace, ... tablespaces for user data, and possible additional tablespaces for undo and temporary data. Tablespace Creation To create a tablespace with Enterprise Manager Database Control, from the database ... Parallel Server database. Parallel Server itself was replaced with RAC in database release 9i. • Files on ASM devices ASM is Automatic Storage Management, a facility introduced with database

Ngày tải lên: 06/07/2014, 13:20

... The Oracle block is the granularity of database I/O Trang 3Create and Manage Tablespaces• A SMALLFILE tablespace can have many datafiles, but a BIGFILE tablespace can have only one • Tablespaces ... identify the datafiles and tablespaces that make up the database? (Choose all correct answers.) A DBA_DATA_FILES B DBA_TABLESPACES C DBA_TEMP_FILES D V$DATABASE E V$DATAFILE F V$TABLESPACE 10 ... manual technique: select segment_space_management from dba_tablespaces where tablespace_name='MANUALSEGS'; 4 Create a table and an index in the tablespace: create table mantab (c1 number) tablespace

Ngày tải lên: 06/07/2014, 13:20

... can be set when creating the database and changed later with: ALTER DATABASE DEFAULT TABLESPACE tablespace_name ; If a default tablespace is not specified when creating the database, it will be ... the operation of the data dictionary and consequently the entire database Change it as soon as you can A quota is the amount of space in a tablespace that the schema objects of a user are allowed ... last query in Figure 6-2, against DATABASE_PROPERTIES Space management within a temporary tablespace is completely automatic Temporary objects are created and dropped as necessary by the database

Ngày tải lên: 06/07/2014, 13:20

... OCA/OCP Oracle Database 11g All-in-One Exam Guide 216 3. Confirm that the users have been created with Database Control. From the database home page, the navigation path is the Server tab and ... actions that affect the data dictionary, such as creating tables or users. Others affect the database or the instance, such as creating tablespaces, adjusting instance parameter values, or establishing ... 9. As SALES, grant object privileges on the new table: grant all on t1 to webapp; grant select on t1 to accounts; OCA/OCP Oracle Database 11g All-in-One Exam Guide 222 10. Connect to Database

Ngày tải lên: 06/07/2014, 13:20

... by default, these packages are available to absolutely anyone who has a logon to your database, and furthermore that your database may have a number of well-known accounts with well-known passwords ... Figure 6-9 are • UTL_FILE Allows users to read and write any file and directory that is accessible to the operating system Oracle owner This includes all the database files, and the ORACLE_HOME ... Instance Parameters Some parameters are vital to consider for securing the database The defaults are usually fine, but in some circumstances (for which there should always be a good business case),

Ngày tải lên: 06/07/2014, 13:20

... dictionary as well as all user data It is possible that some older application software may assume that the ANY privileges include the data dictionary, as was always the case with release 7 of the Oracle ... 6-11 Managing standard auditing with Database Control Trang 9The other audit views (DBA_AUDIT_OBJECT, DBA_AUDIT_STATEMENT, and DBA_AUDIT_SESSION) each show a subset of the DBA_AUDIT_TRAIL view, ... everything that the database owner can see, including the ORACLE_HOME and all the database files REMOTE_OS_AUTHENT and OS_AUTHENT_PREFIX The REMOTE_OS_AUTHENT instance parameter defaults to FALSE This

Ngày tải lên: 06/07/2014, 13:20

... Standard Database Auditing • Database auditing can be oriented toward privileges, commands, or objects • Audit records can be directed toward a database table or an operating system file • Database ... tab by taking the Initialization Parameters link in the Database Configuration section Set the two parameters in the spfile, and then from the database home page shut down and restart the database ... principle of “separation of duties” means that only the system administrator, not the database administrator, can change this parameter D The parameter is a static parameter 13 What conditions

Ngày tải lên: 06/07/2014, 13:20

... it as a space where a table resides. As an Oracle Database 11g is created, a system tablespace is built that contains Oracle s data dictionary. As Oracle Database 11g operates, it continually ... association with an Oracle Database 11g table. 6 Oracle Database 11g: A Beginner s Guide ■ Ownership Who owns the information as the database data files are populated? ■ Viewing and manipulation ... with your database, how to restore your old database. Oracle 11g has many features that are at the leading edge of technology, and Oracle Rapid Application Clusters (RAC) and Automatic Storage Management...

Ngày tải lên: 22/03/2014, 10:20

... 1-4. OEM Startup CRITICAL SKILL 1.9 Tie It All Together Now that was quite a journey! We have covered database fundamentals, with an Oracle Database 10g flavor. Relational database management ... complex areas of Oracle Database 10g technology. CRITICAL SKILL 1.1 Define a Database Oracle Database 10g the latest offering from a software giant in northern California. Perhaps you have heard ... Also, read as much as you can and then get your hands on a test database and practice what you've learned. Applications come and go, but data stays around. All of the information that makes...

Ngày tải lên: 27/06/2014, 06:20

... PL/SQL WHAT ORACLE PRODUCTS ARE IN USE AT YOUR SITE? (check all that apply) ORACLE DATABASE o 01 Oracle Database 11 g o 02 Oracle Database 10 g o 03 Oracle9 i Database o 04 Oracle Embedded Database ... (Oracle Lite, Times Ten, Berkeley DB) o 05 Other Oracle Database Release ORACLE FUSION MIDDLEWARE o 06 Oracle Application Server o 07 Oracle Portal o 08 Oracle Enterprise Manager o 09 Oracle ... subscribe at our Web site at oracle. com/oraclemagazine 10 ® OCA /OCP Oracle Database 11g A ll-in-One Exam Guide (Exam 1Z0-051, 1Z0-052, and 1Z0-053) McGraw-Hill is an independent entity from Oracle...

Ngày tải lên: 06/07/2014, 13:20

... Grid Control Oracle Enterprise Manager Database Control is a graphical tool for managing one database, which may be a Real Application Clusters (RAC) clustered database. RAC databases are covered ... which it has been allocated. Both SGA and PGA memory can be automatically managed. OCA/OCP Oracle Database 11g All-in-One Exam Guide 12 Database Configuration Assistant (DBCA), which may be used ... proprietary to Oracle. It supports the regular procedural Chapter 1: Architectural Overview of Oracle Database 11g 15 PART I The physical structures that make up an Oracle database are the datafiles,...

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... servers propagate transactions between each other ã Dataguard, where a primary database updates a standby database Combinations of these options can result in a system that can achieve the goals of ... have one primary database against which transactions are executed, and one or more standby databases used for fault tolerance or for query processing. The standbys are instantiated from a backup ... uninterrupted at the other. Another reason is tuning: the two databases can be configured for different types of work, such as a transaction processing database and a data warehouse. Keeping the databases...

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... memory has been, and is currently, allocated to program global areas: select name,value from v$pgastat where name in ('maximum PGA allocated','total PGA allocated'); Instance ... a snapshot), it also launches the Automatic Database Diagnostic Monitor, the ADDM. The ADDM is a tool that analyses database activity using an expert system developed over many years by many ... datafiles rather than the whole database: when a datafile or tablespace is taken offline; when a tablespace is put into backup mode; when a tablespace is made read only. These are less drastic...

Ngày tải lên: 06/07/2014, 13:20