Tài liệu OCA: Oracle Database 11g Administrator Certified Associate- P7 ppt
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...
Tài liệu OCA: Oracle Database 11g Administrator Certified Associate- P4 ppt
... 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...
Tài liệu OCA: Oracle Database 11g Administrator Certified Associate- P5 ppt
... 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...
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...
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...
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...
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...
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...
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/...
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...
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