resource manager enhancements in oracle database 11g

... Administering an Oracle Database 91 Plan an Oracle Database Installation 92 Install the Oracle Software by Using the Oracle Universal Installer (OUI) 92 Create a Database by Using the Database Configuration ... 273 Indexes 275 Why Indexes Are Needed? 275 Types of Index 276 Creating and Using Indexes 281 Modifying and Dropping Indexes 282 Constraints 283 The Types of Constraint ... 3This page intentionally left blank Trang 4CONTENTS AT A GLANCE Part I Oracle Database 11g Administration Chapter 1 Architectural Overview of Oracle Database 11g 3 Chapter 2 Installing and

Ngày tải lên: 06/07/2014, 13:20

... Natural JOIN USING Clause 492 The Natural JOIN ON Clause 492 N-Way Joins and Additional Join Conditions 495 Nonequijoins 496 Join a Table to Itself Using a Self-Join 498 Joining a ... Than One Table Using Equijoins and Nonequijoins 482 Types of Joins 482 Trang 4Joining Tables Using SQL:1999 Syntax 487Qualifying Ambiguous Column Names 487 The NATURAL JOIN Clause ... Itself Using the JOIN ON Clause 498 View Data That Does Not Meet a Join Condition by Using Outer Joins 500 Inner Versus Outer Joins 500 Left Outer Joins 501 Right Outer Joins

Ngày tải lên: 06/07/2014, 13:20

... Trang 5OCA/OCP Oracle Database 11g All-in-One Exam Guide100 You should now have a database installed on your learning environment and be ready to investigate and demystify your Oracle instance There ... Parameters link On the window following, shown in Figure 3-1, there are two subtabs: Current shows the values currently in effect in the running instance and may be obtained by querying the V$PARAMETER ... are installed with the OUI. 2 þ A, C, and D DBCA is meant for creating databases, but they can also be created from SQL*Plus or by instructing the OUI to create a database after installing

Ngày tải lên: 06/07/2014, 13:20

... single-instance environment. Starting and Connecting to Database Control Database Control is a tool for managing one database (though this database can be clustered). If there are several database ... value, in the running instance: alter system set optimizer_mode=all_rows scope=memory; OCA/OCP Oracle Database 11g All-in-One Exam Guide 108 Describe the Stages of Database Startup and Shutdown Oracle ... PART I Figure 3-4 Database Control, failing to detect any other Oracle processes Figure 3-5 An example of the status of a running database listener OCA/OCP Oracle Database 11g All-in-One Exam Guide

Ngày tải lên: 06/07/2014, 13:20

... are provided by Oracle to assist database administrators in managing the database and programmers in developing applications TIP Which view will show you ALL the tables in the database? DBA_TABLES, ... start an instance and open a database, then Database Control to shut it down If the database is already open, do this in the other order Note that if you are working on Windows, the Windows service ... The database has now been “MOUNTED” by the instance alter database mount; select status from v$instance; 8 Open the database: alter database open; 9 Confirm that the database is open by querying

Ngày tải lên: 06/07/2014, 13:20

... examination Configure and Manage the Oracle Network Oracle Net is the enabling technology for Oracle’s client-server architecture It is the mechanism for establishing sessions against a database ... computing from the beginning (version 1, released in 1978, made a separation between the Oracle code and the user code), but it was only with version 4 in 1984 that Oracle introduced interoperability ... integral part of the client-server database architecture that is fundamental to all modern relational databases The Oracle database had the potential for client-server computing from the beginning

Ngày tải lên: 06/07/2014, 13:20

... connect statement includes the connect string “@orcl11g”, Oracle Net has to work out what is meant by “orcl11g” This means that the string has to be resolved into certain pieces of information: the ... Direct Protocol (or SDP) over Infiniband high-speed networks This reduction in protocol support is in line with industry standards All operating systems also have an Inter-Process Communication ... says nothing about whether the instance is running or even exists at all The directive ORACLE_HOME is only required if the database listener is not running from the same Oracle Home as the instance

Ngày tải lên: 06/07/2014, 13:20

... directories (or indeed in a different directory altogether) means that instead of having to maintain multiple sets of files, you need maintain only one set. To set the variable, on Windows you ... successfully made. Database Links So 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 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

Ngày tải lên: 06/07/2014, 13:20

... operating system prompt, start the listener with lsnrctl start newlist 17 From an operating system prompt, test the connect string with tnsping new. 18 Connect to your database using operating ... computer can only do one thing at once unless it is an SMP machine, in which case each CPU can only do one thing at once The operating system simulates concurrent processing by using an algorithm 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

Ngày tải lên: 06/07/2014, 13:20

... itself All data processing occurs in memory, in the instance, but data storage occurs in the database on disk The database consists of three file types: the controlfile, the online redo log files, ... Management in Tablespaces 171 Trang 7The preceding two chapters dealt with the instance and the sessions against it: processes and memory structures This chapter begins the investigation of the database ... facilities provided in recent releases of the database can automate space management to a certain extent, and they can certainly let the DBA set up storage in ways that will reduce the maintenance workload

Ngày tải lên: 06/07/2014, 13:20

... header to grow include inserting and locking rows. The data area will initially be empty and will fill as rows are inserted (or index keys are inserted, in the case of a block of an index segment). ... OCA/OCP Oracle Database 11g All-in-One Exam Guide 176 • LOBSEGMENT, LOBINDEX, LOB PARTITION If a column is defined as a large object data type, then only a pointer is stored in the table ... as normal operating system files in a directory structure on disks directly accessible to the computer running the instance. On a PC running Windows or Linux, these could be internal IDE or

Ngày tải lên: 06/07/2014, 13:20

... the grouping of privileges into roles for ease of administration Profiles used to manage passwords and resources to a limited extent are covered before delving into the powerful auditing features ... initially 100MB, and can autoextend without limit • A tablespace that contains segments cannot be dropped—unless an INCLUDING CONTENTS clause is specified • Tablespaces can be online or offline, ... interchangeably in the Oracle environment, but they are not the same thing A user is a person who connects to a user account by establishing a session against the instance and logging on with the user

Ngày tải lên: 06/07/2014, 13:20

... temporary space (in memory Figure 6-2 Managing user quotas Trang 3if possible, in a temporary tablespace if necessary) include sorting rows, joining tables, building indexes, and using temporary ... details of Windows security configuration) return the username prefixed with the Windows domain Assuming that the Windows logon ID is John Watson (including a space) and that the Windows domain is ... instance to authenticate users by checking whether the operating system user attempting the connection is a member of the operating system group that owns the Oracle Home installation Following

Ngày tải lên: 06/07/2014, 13:20

... anything in an Oracle database. A user cannot even connect without being granted a privilege. And once this has been done, you still can’t do anything useful (or dangerous) without being given ... dictionary, such as creating tables or users. Others affect the database or the instance, such as creating tablespaces, adjusting instance parameter values, or establishing a session. Some of ... 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

Ngày tải lên: 06/07/2014, 13:20

... used to limit resource usage, but a much more sophisticated tool is the Resource Manager discussed in Chapter 21 Trang 6Creating and Assigning Profiles Profiles can be managed through Database Control ... ACCOUNTS, and insert a row into SALES.T1: grant usr_role to accounts; insert into sales.t1 values(sysdate); commit; 7 Confirm the ACCOUNTS can connect and query SALES.T1 but do nothing else The INSERT ... session is allowed to take in the SGA for session data • CONNECT_TIME In minutes, the maximum duration of a session before the session is forcibly terminated • IDLE_TIME In minutes, the maximum time

Ngày tải lên: 06/07/2014, 13:20

... constraint and index on a column inline. Since an inline unique key constraint can be defined on only one column, we’ve added a SSN column that has a unique key constraint defined on it inline. ... regarding an index-organized table. Unique Indexes When creating a B-tree index you can define it to be a unique index. In this regard it acts like a unique key constraint. When inserting into ... join between two tables in an index. These indexes are beneficial because they avoid joining tables to retrieve results. Bitmap join indexes are appropriate in situations where you’re joining...

Ngày tải lên: 17/02/2014, 11:20

... 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 ... YOUR TO ORACLE MAGAZINE Oracle Magazine is essential gear for today’s information technology professionals. Stay informed and increase your productivity with every issue of Oracle Magazine. Inside ... Release ORACLE FUSION MIDDLEWARE o 06 Oracle Application Server o 07 Oracle Portal o 08 Oracle Enterprise Manager o 09 Oracle BPEL Process Manager o 10 Oracle Identity Management o 11 Oracle...

Ngày tải lên: 06/07/2014, 13:20

... Preparing the Database Environment 052.2.1 Identify the tools for administering an Oracle database 2 052.2.2 Plan an Oracle database installation 2 052.2.3 Install the Oracle software by using Oracle ... worth attaining. Your studies of the fascinating world of Oracle database administration are about to begin—you can continue these studies for the rest of your working life. Enjoy! Oracle Certification There ... 7 051.11.3 Create, maintain, and use sequences 7 051.11.4 Create and maintain indexes 7 051.11.5 Create private and public synonyms 7 Examination 1Z0-052, Oracle Database 11g: Administration I, Objectives ID...

Ngày tải lên: 06/07/2014, 13:20

... Chapter 052.3 Creating an Oracle Database 052.3.1 Create a database by using the Database Configuration Assistant (DBCA) 2 052.4 Managing the Oracle Instance 052.4.1 Setting database initialization ... Using Support Workbench 27 053.13.3 Perform Block Media Recovery 16 Introduction xxxvii OCA/OCP Oracle Database 11g All -in- One Exam Guide xxxvi Examination 1Z0-053, Oracle Database 11g: Administration ... Manager Support Workbench 27 052.18.2 Managing patches 27 Introduction xxxv PART I Oracle Database 11g Administration ■ Chapter 1 Architectural Overview of Oracle Database 11g ■ Chapter 2 Installing...

Ngày tải lên: 06/07/2014, 13:20

... it. OCA/OCP Oracle Database 11g All -in- One Exam Guide 10 A thin Java client is not aware of the database against which it is running: it works with a virtual database defined according to the ... running with an installation of the Oracle database. The actual installation is covered in Chapter 2. Oracle Concepts The Oracle Database Server comprises two primary components called the Instance ... programs essential for creating and maintaining databases. Once the Oracle 11g binaries are installed, they consume about 3GB of disk space, but this usage remains relatively stable. The datafiles,...

Ngày tải lên: 06/07/2014, 13:20