Tài liệu OCA Oracle Database 11g Administration I Exam Guide P1 pdf

... committed and uncommitted transactions. xxiv OCA Oracle Database 11g: Administration I Exam Guide Some Pointers Once you’ve finished reading this book, set aside some time to do a thorough review. ... concerned with the Oracle Database Administration certification track, specifically for release 11g of the database. There are three levels of DBA certification: Certif...

Ngày tải lên: 25/01/2014, 14:20

... acquisitions, but two applications remain predominant. The Oracle E-Business Suite is a comprehensive suite of applications based around an accounting engine and Oracle Collaboration Suite is ... application and database? Is it possible to put a financial figure on this? The result of this study should give an idea of how critical the DBA’ s role is. CERTIFICATION OBJECTIVE 1.02 Expla...

Ngày tải lên: 17/10/2013, 11:15

... internationalize your Oracle database system. NLS internationalizations include date representations, char- acter sets, alphabets, and alphabetical ordering. Oracle will implicitly or automatically ... ‘-8:00’; ADD_MONTHS ADD_MONTHS(d, i) takes two arguments, where d is a date and i is an integer. This function returns the date d plus i months. If i is a decimal number, t...

Ngày tải lên: 14/12/2013, 15:15

... session. SESSION_USERID Returns the numeric database user ID for the current session. SESSIONID Returns the auditing session identifier AUDSID. This parameter is out of scope for distributed queries. SID Returns ... session identifier in the global context. It can be set with the DBMS_SESSION built-in package. CLIENT_INFO Returns the 64 bytes of user session information stored by DBMS_...

Ngày tải lên: 14/12/2013, 15:15

... locations.location_id = d.location_id; WHERE locations.location_id = d.location_id * ERROR at line 3: ORA-00904: “LOCATIONS”.”LOCATION_ID”: invalid identifier The correct syntax is to replace locations.location_id ... location ID, city name, and department names in that city: SELECT locations.location_id, city, department_name FROM locations, departments WHERE locations.location_id = depar...

Ngày tải lên: 14/12/2013, 15:15

... fails with an invalid column name error. C. The query fails because line 3 specifies INNER JOIN, which is not a valid syntax. D. The query fails because line 5 does not specify the keyword INNER. E. ... have corresponding records, a NULL is returned. 4. C. The join condition is specified in the ON clause. The JOIN clause specifies the table to be joined. The USING clause specifies the colum...

Ngày tải lên: 14/12/2013, 15:15

... scale are represented in decimal digits, whereas in FLOAT the precision is represented in binary digits. In Oracle 11g it is recommended you use BINARY_FLOAT or BINARY_DOUBLE instead of the FLOAT ... partitions and subpartitions, indexes, and index partitions and subpartitions. Logical ROWIDs store the addresses of rows in index-organized tables. Physical ROWIDs provide the fastest p...

Ngày tải lên: 14/12/2013, 15:15

... command. INITIALLY IMMEDIATE specifies that the constraint’s default behavior is to vali- date the constraint for each SQL statement executed. 16. C. The default precision is 6 digits. The precision ... remove this watermark. Creating and Modifying Views 347 CREATE VIEW all_locations AS SELECT country_id, country_name, location_id, city FROM locations NATURAL JOIN countries WITH READ ONLY;...

Ngày tải lên: 14/12/2013, 15:15

... availability, recoverability, application-testing, and security requirements of any mission-critical application. As the Oracle DBA, you are responsible for managing and maintaining the Oracle ... this watermark. Chapter 8 Introducing Oracle Database 11g Components and Architecture ORACLE DATABASE 11g: ADMINISTRATION I EXAM OBJECTIVES COVERED IN THIS CHAPTER: Explor...

Ngày tải lên: 14/12/2013, 15:15

... the initial OUI screen shown in Figure 8.15. Choose the Oracle Database 11g option, and click the Next button on the OUI screen to proceed with the installation. FIgure 8.15 The initial OUI installation ... Split-Merge on www.verypdf.com to remove this watermark. Chapter 9 Creating an Oracle 11g Database ORACLE DATABASE 11g: ADMINISTRATION I EXAM OBJECTIVES COVERED...

Ngày tải lên: 14/12/2013, 15:15