ORACLE DATABASE 10G A BEGINNER''''S GUIDE PHẦN 6 DOC

so that companies can select the best projects, assign the proper resources, streamline delivery efforts and track profitability. No longer can companies afford to estimate project costs and overall project performance. By facilitating change management, time and expense reporting and billing and col[r]

7Chapter 1: The Business of NetworkingN Monitoring the network, its hardware, and its software for potential problems and for utilization levels for planning network upgradesN Troubleshooting network problems Network administrators may also be called system administrators, LAN administrators, and ot[r]

The second normal form removes columns from the table that are not dependent on the primary key. In this example, that is the publisher’s address details: these are dependent on the publisher, not the ISBN. The BOOKS table and a new PUBLISHERS table will then look like this:BOOKSISBN T[r]

table, with the same benefits as those described earlier for a SQL*Loader direct load.The external table path uses the database buffer cache. Even though Data Pump is manipulating files that are external to the database, it uses the database buffer cache as though it were[r]

than going back and forth to the data store itself.Probably one of the greatest uses of theDataSetis to work w i th multiple data stores and come away witha single collection of data. So for instance, if you have your Customers table within SQL and the ordersinformation for those particular customer[r]

of a query against V$PGA_TARGET_ADVICE.OCA/OCP Oracle Database 11g All-in-One Exam Guide900 6. Enable Automatic Memory Management by clicking the ENABLE button at the top of the Memory Advisors window. This will display the value of MEMORY_MAX_TARGET, along[r]

the command. When the database receives a statement using positional notation, it will match the order of the values to the order in which the columns of the table are defined. The statement would also fail if the column order was wrong: the database would attempt the insertion[r]

so put them on RAID 0 volumes. The controlfile copies are critical for performance, but if any copy is damaged, the database will crash; thus, RAID 0+1 could be appropriate. Your other datafiles could perhaps go on RAID 5 volumes, unless they are particularly important or volatile.ASM Compare[r]

back into use will reset their status to AVAILABLE.A related command isRMAN> delete expired;This command will not delete any files from disk. It will, however, remove from the repository all references to backups previously marked EXPIRED by a crosscheck. At many installations,[r]

inappropriate DML, or dropping or truncating tables. But as far as Oracle and the DBA are concerned, such events are transactions like any other: according to the principle of durability, they are absolutely nonreversible.Executing SQL StatementsThe entire SQL language consists of only a