Teach Yourself Oracle8 in 21 Days by Edward Whalen

By Edward Whalen

Sams educate your self Database improvement with Oracle in 21 Days is an instructional that might train the reader the fundamentals of constructing Oracle database functions. This publication specializes in educating the recommendations at the back of logical and actual database layout, a operating wisdom of SQL and PL/SQL, and the fundamentals of Developer/2000, and Oracle energy items.

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This screen asks you which language you want to use to run the Oracle products. Choose OK to select the default language as English, or select a different language. 2. The initial installation screen. 3. These questions relate to your particular installation. The first screen simply asks for the name of your company and for the OS directory where the Oracle8 binaries will be installed. Before you choose a directory, be sure the selected disk volume has adequate disk space; a full installation can require more than 100MB.

Slow I/Os to the redo log files can slow down the entire system. What Affects Oracle Performance? Because one of the roles of the DBA is to anticipate, find, and fix performance problems, you must know what types of things affect performance. To understand why these things affect performance, you must first review the basics of how a computer system works. Overview of Computer Architecture Your computer system consists of thousands of individual components that work in harmony to process data. Each of these components has its own job to perform, and each has its own performance characteristics.

By partitioning a table, you can break that large table into several much smaller pieces. A partitioned table can take advantage of some of the following features: ● Partitioned DML ● Exporting/importing by partition ● Range partitioning ● Local and global indexing ● Parallel loading by partition Partitioned DML Parallel INSERT, DELETE, and UPDATE operations can occur on a partition basis. Using partitions allows these operations to be conducted either globally or locally within a partition. Exporting/Importing by Partition Partitioning allows operations such as exports and imports to be performed on a partition basis.

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