Tài liệu OCA: Oracle Database 11g Administrator Certified Associate- P6 pptx

... Split-Merge on www.verypdf.com to remove this watermark. Chapter 4 Using Joins and Subqueries ORACLE DATABASE 11g: SQL FUNDAMENTALS I EXAM OBJECTIVES COVERED IN THIS CHAPTER Displaying 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...

Ngày tải lên: 14/12/2013, 15:15

... Introducing Oracle Database 11g Components and Architecture GROUP# MEMBER 1 /u01/app /oracle/ oradata/11GR11/redo01.log 1 /u02/app /oracle/ oradata/11GR11/redo01.log 2 /u02/app /oracle/ oradata/11GR11/redo02.log ... Introducing Oracle Database 11g Components and Architecture Installing Oracle 11g One of your duties as an Oracle DBA is to install and configure the Orac...

Ngày tải lên: 14/12/2013, 15:15

... Creating an Oracle 11g Database Summary In this chapter, you started off by learning how to create an Oracle 11g database using the Database Configuration Assistant. Then I discussed the Oracle metadata ... Diag​Enabled​​​​​​​​​​​​​​TRUE ADR​Base​​​​​​​​​​​​​​​​​​/u01/app /oracle ADR​Home​​​​​​​​​​​​​​​​​​/u01/app /oracle/ diag/rdbms/oca11g/OCA11G Diag​Trace​​​​​​​​​​​​​​​​/u...

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 ... Architecture ORACLE DATABASE 11g: ADMINISTRATION I EXAM OBJECTIVES COVERED IN THIS CHAPTER: Configuring the Oracle Network Environment Configure and Manage the Oracle N...

Ngày tải lên: 14/12/2013, 15:15

... 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 ... 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...

Ngày tải lên: 24/12/2013, 02:17

... 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 ... Where can the database write audit_trail records? A. In a database table B. In a file outside the database C. Both in the database and in an operating-system file D. Eith...

Ngày tải lên: 24/12/2013, 02:17

... 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 6:4...

Ngày tải lên: 14/12/2013, 15:15

... Split-Merge on www.verypdf.com to remove this watermark. Chapter 3 Using Group Functions ORACLE DATABASE 11g: SQL FUNDAMENTALS I EXAM OBJECTIVES COVERED IN THIS CHAPTER: Reporting Aggregated ... use to calculate space usage in a database. The DBA_SEGMENTS dictionary view shows the segments allocated in the database each table or index created in the database must have at leas...

Ngày tải lên: 14/12/2013, 15:15

... This support is germane only to multiuser databases, where one database session can change (and commit) data that is being read by another session. Oracle always uses statement-level consistency, ... TRUNCATE statement, as described in the next section. TRUNCATE is not included in the Oracle Database 11g SQL Fundamentals I exam, but I’ve included it here for completeness. Tru...

Ngày tải lên: 14/12/2013, 15:15

... altered. 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 ... tables and constraints on tables. Database Objects Overview Data in the Oracle Database is stored in tables. A table is the main database object. Many other database obj...

Ngày tải lên: 14/12/2013, 15:15