Tài liệu Virtualizing Oracle Database 10g/11g on VMware Infrastructure docx

... found in Appendix B. VMware Inc. Virtualizing Oracle Database 10g/11g on VMware Infrastructure Technical White Paper 22 Configuration 3 – Oracle Database on VMware Infrastructure Using Blended ... database components. Figure 7. Oracle Database on VMware Infrastructure Using a Pure NFS Storage Design VMware Inc. Virtualizin...

Ngày tải lên: 20/02/2014, 05:22

... applications is not too different than designing efficient single-instance Oracle database applications. An application that scales well in a non-clustered configuration is likely to scale well on ... to 30 standby databases can now form part of a Data Guard configuration. A cascaded standby database configuration in which a standby database passes on redo to another standby...

Ngày tải lên: 17/02/2014, 17:20

... them on your own. Conversion-Function Overview Table 2.5 summarizes the single-row conversion functions. I will cover each of these func- tions in the “Conversion-Function Descriptions” section. TABLE ... TIME ZONE value TO_YMINTERVAL Converts a character string value to an interval year to month literal UNISTR Converts UCS2 Unicode Conversion-Function Descriptions The conversion functions...

Ngày tải lên: 14/12/2013, 15:15

... session time, and session time zone offset B. Session date and session time C. Session date and session time zone offset D. Session time zone offset 13. Using the SALESPERSON_REVENUE table described ... where the session is connected. SESSION_USER Returns the database username for the current session. SESSION_USERID Returns the numeric database user ID for the current session. SESSIONID R...

Ngày tải lên: 14/12/2013, 15:15

... first join condition can reference columns from only the first and second tables; the second join condition can reference columns from the first, second, and third tables; and so on. Consider the ... follows: SELECT regions.region_id, region_name, countries.country_id, country_name, location_id, city FROM regions, countries, locations WHERE regions.region_id = countries.region_id AND countr...

Ngày tải lên: 14/12/2013, 15:15

... optional. Option C does not work, again because you cannot qualify column names when specifying the USING clause. Option D works because it specifies the join condition explicitly in the ON ... additional search criteria to restrict the rows returned. 5. B, D. Option A does not work because you cannot qualify column names when using a natural join. Option B works because the only common...

Ngày tải lên: 14/12/2013, 15:15

... be defined on a table to “fire” when an insert, update, or delete operation occurs on the table. A trigger may also be defined on the database to “fire” when certain database conditions occur, ... (database block size). You do not specify the size with this datatype definition. LONG The syntax for the LONG datatype is as follows: LONG Using the LONG datatype is discouraged in Oracl...

Ngày tải lên: 14/12/2013, 15:15

... country_name, location_id, city FROM locations NATURAL JOIN countries WITH READ ONLY; View created. Creating Constraints on Views Oracle 11g allows you to create constraints on views. Constraints on views ... actions permitted on read-only tables Understand the various actions that are permitted on a read-only table. Any operation that changes the data in the table is not allowe...

Ngày tải lên: 14/12/2013, 15:15

... process connects to one and only one server process. However, in some Oracle configurations, multiple user processes can share a single server process. We will discuss Oracle connection configurations ... transaction recovery information from the SGA’s redo log buffer to the online redo log files on disk Process Monitor PMON Cleans up failed user database connections System Monito...

Ngày tải lên: 14/12/2013, 15:15

... Locations screen You are presented with three options on the Database File Locations screen: Use Database File Locations from Template  Use Common Location for All Database Files  Use Oracle- Managed ... 9.2 Template Definition Details Section Description Common Options Displays which databases options will be installed Initialization Parameters Displays the common initialization...

Ngày tải lên: 14/12/2013, 15:15