Tài liệu OCA: Oracle Database 11g Administrator Certified Associate- P10 pptx

... administer Oracle 11g database. Interacting with Oracle 11g SQL is the language used to interact with the Oracle 11g database. Many tools are available for the DBA to administer an Oracle 11g database. ... you’ll start learning Oracle Database 11g (Oracle 11g) database administration. This chapter and the remaining chapters of the book will discuss the objectives for the Oracle 11g Administration ... watermark.Chapter 8Introducing Oracle Database 11g Components and Architecture ORACLE DATABASE 11g: ADMINISTRATION I EXAM OBJECTIVES COVERED IN THIS CHAPTER:Exploring the Oracle Database ArchitectureExplain...

... Split-Merge on www.verypdf.com to remove this watermark.Chapter 4Using Joins and Subqueries ORACLE DATABASE 11g: SQL FUNDAMENTALS I EXAM OBJECTIVES COVERED IN THIS CHAPTERDisplaying data from multiple ... 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, ... relationship using a JOIN clause instead of the WHERE clause. The JOIN clause introduced by Oracle in Oracle 9i was then added to conform to the ISO/ANSI 95127c04.indd 198 2/18/09 9:43:34 AMPlease...

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... 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 ... 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 ... architectureApplicationServer Database ServerClientInternetHTTPRequestAppServer Oracle NetRDBMS Oracle NetTCP/IPAn Overview of Oracle Net Features Oracle Net is the glue that bonds the Oracle network...

... define the service name. For Oracle 11g, the service name does not have to be the same as the ORACLE_ SID because a database can have multiple service names. In Oracle 11g, the service name is ... connection from the Oracle Connection Manager server to the database server.You can find out more about Oracle Connection Manager in Oracle Data-base Net Services Administrators Guide 11g Release ... are features of Oracle Connection Manager. Oracle Connection Manager is a facility provided by Oracle that controls access to database services and multiplex connections in an Oracle environment....

... activity. By default, DBCA enables several key audit-ing features when you create an Oracle 11g database. The Oracle 11g database has several powerful features (user accounts and packages) that will ... this script is called verify_function _11g .Auditing Database ActivityAuditing involves monitoring and recording specific database activity. An Oracle 11g data-base supports four levels of ... secure your database. Make sure you know how to lock down your database. Know which packages should be secured and how to secure them.Know how to implement password security. An Oracle 11g database...

... returns the database s time zone, as set by the latest CREATE DATABASE or ALTER DATABASE SET TIME_ZONE statement. Note that after changing the database time zone with the ALTER DATABASE ... 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 AMPlease purchase...

... the following SQL statement return?SELECT COALESCE(NULL, Oracle ‘, Certified ) FROM dual;A. NULLB. Oracle C. Certified D. Oracle Certified 17. Which expression will always return the date ... Split-Merge on www.verypdf.com to remove this watermark.Chapter 3Using Group Functions ORACLE DATABASE 11g: SQL FUNDAMENTALS I EXAM OBJECTIVES COVERED IN THIS CHAPTER:Reporting Aggregated ... variance, or 1 for sample size 1Table 3.2 summarizes the group functions available in Oracle Database 11g that are not included in Table 3.1. Although they are less likely to appear on the...

... MERGE is not part of the Oracle Database 11g SQL Fundamentals I test. Table 5.1 summarizes the DML statements that Oracle supports.TABLE 5.1 DML Statements Supported by Oracle Statement PurposeINSERTAdds ... PDF Split-Merge on www.verypdf.com to remove this watermark.Chapter 5Manipulating Data ORACLE DATABASE 11g: SQL FUNDAMENTALS I EXAM OBJECTIVES COVERED IN THIS CHAPTER:Manipulating DataDescribe ... into a table, update 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...

... 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,” ... also be defined on the database to “fire” when certain database conditions occur, such as starting the database, or when a database error occurs.Java objects Oracle Database 11g includes Java objects ... physical storage area (block). Database storage and blocks are discussed in Chapter 8, “Introducing Oracle 11g Components and Architecture.” Database links A database link is a schema object...