oracle database 11g a beginners guide pdf free download

... 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

... transaction management system For this reason, there will always be gaps in the series The gaps will be larger if the database has been restarted and the CACHE clause was used All numbers that ... issuing the statement must know that the employees table is owned by the HR schema in the database identified by the database link PROD (do not worry about database links—they are a means of accessing ... Tables exist within a schema The schema name together with the table name makes a unique identifier List the Data Types That Are Available for Columns • The most common character data types are

Ngày tải lên: 06/07/2014, 13:20

... been created already They are an option presented by the Database Configuration Assistant when it creates a database If the schemas were not created at database creation time, they can be created ... columns, and other database object metadata in uppercase in the database dictionary Trang 9EXAM TIP SQL statements may be submitted to the database in any case You must pay careful attention to case ... [alias op-tional] An alias is an alternative name for referencing a column or expression Aliases are typically used for displaying output in a user-friendly manner They also serve as shorthand

Ngày tải lên: 06/07/2014, 13:20

... function takes two mandatory parameters of any data type Its syntax is NULLIF(ifunequal, comparison_term), where the parameters ifunequal and comparison_ term are compared If they are identical, then ... to change the data type of a value The TO_CHAR function performs date to character and number to character data type conversions • Character items are explicitly transformed into date values ... CASE expression lists a separate condition for each comparison expression The CASE expression takes at least three mandatory parameters but can take many more Its syntax depends on whether a

Ngày tải lên: 06/07/2014, 13:20

... shows all instances of identically named columns as separate headings labeled with the column name (unless they are aliased) SQL Developer appends an underscore and number to each shared column name ... of values, Africa and Argentina Notice that the COUNTRY_NAME values are repeated for every REGION_NAME EXAM TIP When using the cross join syntax, a Cartesian product is intentionally generated ... sorted alphabetically, first on the REGION_NAME and then on the COUNTRY_NAME The first record has the pair of values, Asia and Argentina When the REGION_NAME changes, the first record has the pair

Ngày tải lên: 06/07/2014, 13:20

... for an Oracle database to lose data because of physical damage if the DBA does not take appropriate precautions From release 9i onward, an Oracle database can be configured so that no matter what ... either, and changes made on each database are published to the other database If one database becomes unavailable for any reason, work can continue on the other Streams goes further than RAC for fault ... Flash Recovery Area 543 Trang 9Perhaps the most important aspect of a database administrator’s job is to ensure that the database does not lose data The mechanisms of redo and undo ensure that

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... the remote database can (if desired) be configured and opened as a data warehouse, meaning that all the query processing can be offloaded from the primary database to a secondary database optimized ... moved while the database is open, as long as there are always at least two groups, and each group has at least one valid member If you create a database with DBCA, by default you will have three groups, ... guarantee no loss of data following a media failure, it is necessary to have a record of all changes applied to the database since the last backup of the database; this is not enabled by default

Ngày tải lên: 06/07/2014, 13:20

... single-instance database It cannot work with a RAC clustered database, nor with a Data Guard standby database Figure 16-1 The Database Control interface to the Health Monitor Trang 5OCA/OCP Oracle Database ... failures on a primary database by using blocks or files from a standby database, and neither can it repair failures on a standby database EXAM TIP The DRA will function only for a single-instance ... browser, and confirm that the database is now open. Database Restore and Recovery Some files are critical Damage to a critical file will mean that the database instance will terminate if it

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... Trang 1OCA/OCP Oracle Database 11g All-in-One Exam Guide776 In the telesales example, the two hundred data entry clerks could be in a group called OLTP, and the half-dozen management accountants ... MIXED_WORKLOAD_PLAN, shown in Database Control Figure 21-4 The DBMS_RESOURCE_MANAGER_PRIVS package Trang 5OCA/OCP Oracle Database 11g All-in-One Exam Guide780 To give user JOHN the capability of administering ... through database profiles Resource Manager Configuration Tools There is a PL/SQL API that can be used to administer the Resource Manager; as well as a Database Control interface The API consists

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... 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

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... 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

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... 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

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... databases: a user session against one database can execute SQL statements against another database This is done through a database link There are several options for creating database links (all ... rows 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 whole ... security), but a simple example is create database link prodstore connect to store identified by admin123 using 'prod'; This defines a database link from the current database to a remote database identified

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... 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

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... 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...

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... 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

... 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

... OCA/OCP Oracle Database 11g All-in-One Exam Guide 44 Within a block, there is a header section and a data area, and possibly some free space. The header section contains information such as ... unlimited. A small database, of only a few gigabytes, might have just half a dozen datafiles of only a few hundred megabytes each. A larger database could have thousands of datafiles, whose ... these two tablespaces, with at least one datafile each, to store the data dictionary. EXAM TIP The SYSAUX tablespace must be created at database creation time in Oracle 10g and later. If you...

Ngày tải lên: 06/07/2014, 13:20