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FTP the File Transfer Protocol, is a popular way to transmit files between UNIX servers or between a , UNIX server and a PC. It s a simple and fast way to send files back and forth. The following is a sample FTP session between my PC and a UNIX server on my network. I am getting a file from the UNIX server called prod5 using the ftp get command. $ ftp prod5 connected to prod5 ready. User (prod5:-(none)): oracle 331 Password required for oracle. Password: User oracle logged in. ftp> pwd '/u01/app/oracle" is the current directory. ftp> cd admin/dba/test CWD command successful. ftp> get analyze.ksh 200 PORT command successful. 150 Opening ASCII mode data connection for analyze.ksh (3299 bytes). 226 Transfer complete. ftp: 3440 bytes received in 0.00Seconds 3440000.00Lbytes/sec. ftp> bye 221 Goodbye. $ If, instead of getting a file, I wanted to place a file from my PC onto the UNIX server I connected to, I would use the put command, as in put analyze.ksh. The default mode of data transmission is the ASCII character text mode; if you want binary data transmission, just type in the word binary before you use the get or put command. Of course, GUI-based FTP clients are an increasingly popular choice. If you have access to one of those, transferring files is usually simply a matter of dragging and dropping files from the server to the client, much like moving files in Windows Explorer.

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I ve discussed how to use the most important advisors like the ADDM, SQL Tuning Advisor, SQL Access Advisor, and Segment Advisor in other chapters. I ll briefly summarize the use of the Undo and MTTR Advisors here.

Now that the environment is set up completely, the code will start up the navigation window itself on the local X display and call the where.sh script in that window.

While the publisher policy assembly must be installed in the GAC, the new version can be installed at any location that allows the application to find and load the assembly..

In Oracle Database 10g Release 2, the database automatically tunes undo retention to ensure the successful completion of the longest running queries. However, you can set your own undo threshold value, which then becomes the minimum value, below which Oracle can t set its automatically tuned undo retention period. You can get to the Undo Advisor by following these steps: 1. From the Database Control home page, click on the Advisor Central link. 2. On the Advisor Central page, click on the Undo Management link. 3. Click the Undo Advisor button at the top of the page. Using the Undo Advisor, you can do the following: Set the low threshold value for undo retention Figure out the size of the undo tablespace size you ll need for a new undo retention setting Use different analysis time periods representing different levels of system activity to get recommendations, in the form of a graph, about the right undo tablespace size for varying undo retention length

To control database recovery time, you use the FAST_START_MTTR_TARGET initialization parameter to set the mean time to recover (MTTR) from a crash. To optimize performance, set the size of the redo log files so they are just large enough that Oracle isn t performing more checkpoints than required by the value of FAST_START_MTTR_TARGET.

If your log files are small, Oracle may perform incremental checkpointing more often than the MTTR value specifies. As has been mentioned, frequent log switching tends to promote incremental checkpoint activity, meaning that the database writer will perform excessive disk I/O. In an ideal setup, the MTTR target should govern this activity. You can access the MTTR Advisor through the Database Control, as follows: 1. From the Database Control home page, click on the Advisor Central link under the Related Links section. 2. Click on the MTTR Advisor link under the Advisors group. The main page of the MTTR Advisor is titled Configure Recovery Settings. You can do the following things with the help of the MTTR Advisor: