Tài liệu OCA: Oracle Database 11g Administrator Certified Associate- P7 ppt
... 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
... 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
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
Tài liệu OCA: Oracle Database 11g Administrator Certified Associate- P9 ppt
... 1 | | 2 | INDEX FAST FULL SCAN| INVENTORY_IX | 1112 | Oracle used the INVENTORY_IX index to get the result. You can see here that Oracle did not read the table to get the result; only the ... unique indexes, each column value entry is unique. Oracle guarantees that the combination of all index column values in the composite index is unique. Oracle returns an error if you try to...
Ngày tải lên: 14/12/2013, 15:15
Tài liệu OCA: Oracle Database 11g Administrator Certified Associate- P10 pptx
... 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
Tài liệu OCA: Oracle Database 11g Administrator Certified Associate- P13 ppt
... Creating an Oracle 11g Database Use Oracle- Managed Files If you choose Use Oracle- Managed Files, you let the Oracle Database manage the operating- system files comprising the database. As a ... certification exam, refer to OCP: Oracle Database 11g Administrator Certified Professional Study Guide (Sybex, 2009). Choose Create a Database, and click Next to open the...
Ngày tải lên: 14/12/2013, 15:15
Tài liệu OCA: Oracle Database 11g Administrator Certified Associate- P14 pptx
... 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 ... DiagEnabledTRUE ADRBase/u01/app /oracle ADRHome/u01/app /oracle/ diag/rdbms/oca11g/OCA11G DiagTrace/u...
Ngày tải lên: 14/12/2013, 15:15
Tài liệu OCA: Oracle Database 11g Administrator Certified Associate- P15 ppt
... certification exam. To learn more about partitioning, read Oracle 11g Administrators Guide” in the Oracle documentation ( http://tahiti .oracle. com ). Oracle allocates a segment to the table when the table ... .dbf SYSAUX /u01/app /oracle/ oradata/11GR11/sysaux01. 883818496 YES dbf SYSTEM /u01/app /oracle/ oradata/11GR11/system01. 734003200 YES dbf EXAMPLE /u01/app /oracle/ oradata/...
Ngày tải lên: 14/12/2013, 15:15
Tài liệu OCA: Oracle Database 11g Administrator Certified Associate- P16 pptx
... 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