oracle database 11g rac concepts and architecture

... Trang 1Database System Concepts and ArchitectureTrang 2Data ModelsData Model: A set of concepts to describe the structure of a database, and certain constraints that the database should ... description of a database Includes descriptions of the database structure and the constraints that should hold on the database. • Schema Diagram: A diagrammatic display of (some aspects of) a database ... that satisfies the structure and constraints of the database. • Distinction • The database schema changes very infrequently The database state changes every time the database is updated • Schema

Ngày tải lên: 12/05/2014, 11:55

... 1: Database System Concepts and Architecture Trang 2Outline  File-based Approach and Database Approach  Three-Schema Architecture and Data Trang 3Outline  Three-Schema Architecture and ... Models, Database Schema, Database State Trang 36Data Models, Database Schema and Database State  Database Schema: the description of a database, which is specified during database design and ... stored in database and relationships among the data Trang 26Three-Schema Architecture and Trang 27Three-Schema Architecture and Data Independence Trang 28Three-Schema Architecture and Data

Ngày tải lên: 16/08/2016, 19:59

... 1: Database System Concepts and Architecture Trang 2Outline  File-based Approach and Database Approach  Three-Schema Architecture and Data Trang 3Outline  Three-Schema Architecture and ... Models, Database Schema, Database State Trang 36Data Models, Database Schema and Database State  Database Schema: the description of a database, which is specified during database design and ... stored in database and relationships among the data lien quan Trang 26Three-Schema Architecture and Trang 27Three-Schema Architecture and Data Independence Trang 28Three-Schema Architecture and

Ngày tải lên: 29/01/2020, 14:40

... 1: Database System Concepts and Architecture Trang 2Outline  File-based Approach and Database Approach  Three-Schema Architecture and Data Trang 3Outline  Three-Schema Architecture and ... Models, Database Schema, Database State Trang 36Data Models, Database Schema and Database State  Database Schema: the description of a database, which is specified during database design and ... stored in database and relationships among the data lien quan Trang 26Three-Schema Architecture and Trang 27Three-Schema Architecture and Data Independence Trang 28Three-Schema Architecture and

Ngày tải lên: 30/01/2020, 20:33

... Group (www.ORACLERACSIG.org) Trang 8Contents at a GlancePART I Critical Database Concepts 1 Oracle Database 11g Architecture Options 3 2 Installing Oracle Database 11g and Creating a Database ... Choosing Architectures and Options 9 2 Installing Oracle Database 11g and Creating a Database 11 Overview of Licensing and Installation Options 13 Using OUI to Install the Oracle Software ... to Oracle Database 11g 21 4 Planning Oracle Applications—Approaches, Risks, and Standards 31 PART II SQL and SQL*Plus 5 The Basic Parts of Speech in SQL 65 6 Basic SQL*Plus Reports and

Ngày tải lên: 28/10/2013, 00:15

... MERGE is not part of the Oracle Database 11g SQL Fundamentals I test Table 5.1 summarizes the DML statements that Oracle supports ta b l e 5 1 DML Statements Supported by Oracle INSERT Adds rows ... existing data, and delete existing data from a table Because Oracle is a multiuser database and more than one user or session can change data at the same time, I will also need to cover locks and how ... the results? A Queries 1 and 2 produce identical results, and queries 3 and 4 produce identical results, but queries 1 and 3 produce different results B Queries 1, 2, 3, and 4 produce identical

Ngày tải lên: 14/12/2013, 15:15

... and time Oracle9 i Database introduced the TIMESTAMP and INTERVAL datatypes to enhance the storage and manipulation of date and time data Six datetime datatypes in Oracle 11g can... mandatory ... types. To learn more about the various Oracle 11g database schema objects, please refer to the Oracle documentation called “Oracle Database Administrators Guide 11g Release 1 (11.) Part Number B28310-04,” ... In Oracle 11g, when you add a column with the NOT NULL constraint and the DEFAULT value, Oracle 11g does not update all the existing rows in the table with the default value Oracle 11g

Ngày tải lên: 14/12/2013, 15:15

... maintain, and use sequences NN Create and maintain indexes NN Create private and public synonyms An Oracle database can contain far more objects than simply tables... can be in an Oracle schema ... between INTERVAL and DATE datatypes. Know how to modify column characteristics. Understand how to change datatypes, add and modify constraints, and make other modifications. Understand the rules ... rows and columns Oracle 11g allows you to create constraints on the views and restrict the operations on views In this chapter, I will discuss the uses of views, how they are created and...

Ngày tải lên: 14/12/2013, 15:15

... administer the Oracle 11g database, let’s start with the basics In the next section, you’ll learn about Oracle 11g architecture. Oracle 11g Architecture Each database-administration and -development ... Û N Oracle Enterprise Manager Database Control, a GUI tool Û N tA b l e 8 1 Oracle Database 11g Objects (continued) Trang 16396 Chapter 8 N Introducing Oracle Database 11g Components and ArchitectureUsing ... administer the Oracle Database 11g and how to install the Oracle 11g software. Exam objectives are subject to change at any time without prior notice and at Oracle’s sole discretion Please visit Oracle’s

Ngày tải lên: 14/12/2013, 15:15

... Introducing Oracle Database 11g Components and Architecture Summary This chapter introduced you to the Oracle 11g database architecture and installing the Oracle 11g software. First I covered the Oracle ... interact with the Oracle 11g database. The Oracle 11g database architecture consists of three major components: memory, processes, and storage. A user process initiates a connection with the Oracle ... disk and storage management and relies on Oracle to maintain your database. .. use the Oracle Database Configuration Assistant tool, which creates and removes Oracle Databases, and how

Ngày tải lên: 14/12/2013, 15:15

... FileThe default location that Oracle searches to find the pfile and spfile parameter files is $ORACLE_HOME/dbs on Unix systems and %ORACLE_HOME%\database on Windows systems Oracle uses a search hierarchy ... running Oracle on Windows, you can also start the database when you start the associated Oracle service Starting the Oracle service automatically starts the Oracle Database. Changing Database ... options to start up and shut down a database Starting Up and Shutting Down an Oracle Instance As a DBA, you are responsible for the startup and shutdown of the Oracle instance Oracle gives authorized

Ngày tải lên: 14/12/2013, 15:15

... C:\ORACLE\ORADATA\ORA11\USERS01.DBF 102400SYSAUX C:\ORACLE\ORADATA\ORA11\SYSAUX01.DBF 256000 Trang 13Managing Tablespaces 543UNDOTBS1 C:\ORACLE\ORADATA\ORA11\UNDOTBS01.DBF 51200SYSTEM C:\ORACLE\ORADATA\ORA11\SYSTEM01.DBF ... also not set and you did not provide filenames for data files and redo logs, Oracle creates the files in a default directory (mostly $ORACLE_HOME/ param-dbs), but they will not be Oracle managed ... the directory where Oracle can create data files Oracle must have read-write permission on this directory The directory must exist on the server where the database is located Oracle will not create

Ngày tải lên: 14/12/2013, 15:15

... 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 ... Oracle Net RDBMS Oracle Net TCP/IP An Overview of Oracle Net Features Oracle Net is the glue that bonds the Oracle network together It is responsible for handling client-to-server and server-to-server ... 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

Ngày tải lên: 14/12/2013, 15:15

... pattern-search character % is used to match any character and any number of characters The pattern-search character _ is used to match any single character If you are looking for the actual character % ... SQL*Plus in this chapter SQL*Plus is Oracle’s native tool to interact with the database You got a quick introduction to the Oracle datatypes, operators, and literals You learned to write simple ... statements and has its own formatting and enhancement commands Using this tool, you can produce interactive SQL statements and formatted reports SQL*Plus is the command-line interface to the database

Ngày tải lên: 15/12/2013, 05:15

... upgrade an Oracle 8i, Oracle 9i, or Oracle Database 10g client to the Oracle 11.1 release. You can use the Oracle 11.1 client to access any Oracle 8i, Oracle 9i, Oracle Database 10g, and Oracle Database ... depends on your current Oracle database release. Oracle supports a direct upgrade to Oracle Database 11g Release 1, if you’re migrating from a 9.2.04 or newer release of the Oracle database software. ... from a 10.2 Oracle release database to the Oracle 11.1 release. Remember that Oracle supports a direct upgrade to the Oracle Database 11g release from a 9.2.0.4, 10.1, or 10.2 release database.

Ngày tải lên: 22/12/2013, 23:16

... predominant. The Oracle E-Business Suite is a comprehensive suite of applications based around an accounting engine and Oracle Collaboration Suite is a set of office automation tools. The Oracle E-Business ... ISBN. The BOOKS table and a new PUBLISHERS table will then look like this: BOOKS ISBN Title Publisher 12345 Oracle 11g OCP SQL Fundamentals 1 Exam Guide McGraw-Hill 67890 Oracle 11g New Features ... problem is avoided in the Oracle database by abstracting the physical storage (files) from the logical storage (tables); there is no direct connection between tables and files, and certainly not a...

Ngày tải lên: 17/10/2013, 11:15

... ISBN. The BOOKS table and a new PUBLISHERS table will then look like this: BOOKS ISBN TITLE PUBLISHER 12345 Oracle 11g OCP SQL Fundamentals 1 Exam Guide McGraw-Hill 67890 Oracle 11g New Features ... stored in a relational database and accessed with SQL should be normalized to the third normal form. 18 Chapter 1: Oracle Server Technologies and the Relational Paradigm One characteristic of normalized ... BOOKS table: ISBN TITLE PUBLISHER 12345 Oracle 11g OCP SQL Fundamentals 1 Exam Guide McGraw-Hill, Spear Street, San Francisco, California 67890 Oracle 11g New Features Exam Guide McGraw-Hill,...

Ngày tải lên: 19/10/2013, 19:15

... that makes up the Oracle server technologies: ■ The Oracle Database ■ The Oracle Application Server ■ The Oracle Enterprise Manager ■ Various application development tools and languages These ... on demand. The Oracle Server Architecture An Oracle database is a set of files on disk. It exists until these files are deliberately deleted. There are no practical limits to the size and number ... attaining. There are several Oracle certification tracks—this book is concerned with the Oracle Database Administration certification track, specifically for release 11g of the database. There are three...

Ngày tải lên: 19/10/2013, 19:15

... release. Changes in the Optimal Flexible Architecture Oracle Database 11g includes changes in how you specify important Oracle environmental variables such as the Oracle home and Oracle base, as well as the ... installation, the Oracle base and the Oracle Clusterware home are at the same directory level. ■ Oracle recommends creating the flash recovery area and the datafiles under the Oracle base. ■ Oracle recommends ... your OCP certification from Oracle Database 10g to Oracle Database 11g. (The complete name of the test required for upgrading your certification is Oracle Database 11g: New Features for Administrators...

Ngày tải lên: 23/10/2013, 17:15

... can use the Oracle 11.1 client to access an Oracle 8i, Oracle 9i, Oracle Database 10g, and Oracle Database 11g (11.1) database. Let’s first look at the manual upgrade process using Oracle- supplied ... the Oracle Database 11g Release 1 (11.1) version. You can directly upgrade to Oracle Database Release 1 if your current database is based on an Oracle 9.2.0.4 or newer release. For Oracle database ... and import utilities to migrate the database to the new release. As far as the Oracle clients are concerned, you can upgrade an Oracle 8i, Oracle 9i, or Oracle Database 10g client to the Oracle...

Ngày tải lên: 28/10/2013, 00:15