And run applications

Built-In Database Objects In addition to creating the database files, several other structures are created. Data dictionary: Contains descriptions of the objects in the database Dynamic performance tables: Contains information used by the database administrator (DBA) to monitor and tune the database and instance PL/SQL packages: Program units adding functionality to the database. These packages are created when the catproc.sql script is run after the CREATE DATABASE command. PL/SQL packages will not be discussed within the scope of this course.

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Before a database is created, the UNIX environment must be configured and the Oracle9i server must have already been installed. Four environment variables must be set: ORACLE_HOME, ORACLE_SID, PATH, LD_LIBRARY_PATH. ORACLE_HOME is the full path to the top directory in which the Oracle9i Server is installed. The directory for ORACLE_HOME should be supplied by the person who installed the server, usually the UNIX administrator or the DBA. ORACLE_SID is a user-definable name assigned to an instance of a database.

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Forge a connection to a host running chargen and have it send useless chargen data to the echo server on another makes the 2 services so busy that the host may crash or be too busy to respond to normal traffic Defense: configure only services that are absolutely necessary (chargen and echo have no business running on a production server)

19p muathu_102 28-01-2013 36 3   Download

A java application can run inside a JVM and can only invoke the methods of the classes available inside this JVM • Distributed computing or processing resolves around clientserver technology where several client programs communicate with one or more server applications.An RMI application has to expose methods, which remote clients can invoke. • These methods which are meant to be remote, should be defined in an interface which extends the java.rmi.Remote interface

19p blackfalconbm 07-11-2012 100 38   Download

ON THE APPEARANCE OF PRIMES IN LINEAR RECURSIVE SEQUENCES JOHN H. JAROMA Received 16 August 2004 and in revised form 5 December 2004 We present an application of difference equations to number theory by considering the set √ √ of linear second-order recursive relations, Un+2 ( √ R,Q) = RUn+1 − QUn , U0 = 0, U1 = 1, √ √ and Vn+2 ( R,Q) = RVn+1 − QVn , V0 = 2,V1 = R, where R and Q are relatively prime integers and n ∈ {0,1,...}. These equations describe the set of extended Lucas sequences, or rather, the Lehmer sequences. We...

7p sting12 10-03-2012 38 5   Download

Chapter 19 gave an overview of the presence service on the Internet, as defined by the IETF. This chapter focuses on the use of the presence service in the IMS. We explore the IMS architecture that supports the presence service and the applicability of presence to the IMS. 3GPP has defined, in 3GPP TS 24.141 [51], a presence service that runs over IMS, but mostly, 3GPP is just maintaining the specification, not actively progressing it.

10p 0984272663 27-04-2011 127 13   Download

Networking: A Beginner’s Guide Fifth Edition- P90:I have run into many people over the years who have gained good even impressive working knowledge of PCs, operating systems, applications, and common problems and solutions. Many of these people are wizards with desktop computers.

4p venus2468 06-11-2010 96 24   Download

Networking: A Beginner’s Guide Fifth Edition- P79:I have run into many people over the years who have gained good even impressive working knowledge of PCs, operating systems, applications, and common problems and solutions. Many of these people are wizards with desktop computers.

5p venus2468 06-11-2010 74 7   Download

Networking: A Beginner’s Guide Fifth Edition- P78:I have run into many people over the years who have gained good even impressive working knowledge of PCs, operating systems, applications, and common problems and solutions. Many of these people are wizards with desktop computers.

5p venus2468 06-11-2010 53 2   Download

Networking: A Beginner’s Guide Fifth Edition- P77:I have run into many people over the years who have gained good even impressive working knowledge of PCs, operating systems, applications, and common problems and solutions. Many of these people are wizards with desktop computers.

5p venus2468 06-11-2010 67 4   Download

Networking: A Beginner’s Guide Fifth Edition- P76:I have run into many people over the years who have gained good even impressive working knowledge of PCs, operating systems, applications, and common problems and solutions. Many of these people are wizards with desktop computers.

5p venus2468 06-11-2010 49 3   Download

Networking: A Beginner’s Guide Fifth Edition- P75:I have run into many people over the years who have gained good even impressive working knowledge of PCs, operating systems, applications, and common problems and solutions. Many of these people are wizards with desktop computers.

5p venus2468 06-11-2010 72 3   Download

Networking: A Beginner’s Guide Fifth Edition- P74:I have run into many people over the years who have gained good even impressive working knowledge of PCs, operating systems, applications, and common problems and solutions. Many of these people are wizards with desktop computers.

5p venus2468 06-11-2010 58 3   Download

Networking: A Beginner’s Guide Fifth Edition- P73:I have run into many people over the years who have gained good even impressive working knowledge of PCs, operating systems, applications, and common problems and solutions. Many of these people are wizards with desktop computers.

5p venus2468 06-11-2010 64 2   Download

Networking: A Beginner’s Guide Fifth Edition- P72:I have run into many people over the years who have gained good even impressive working knowledge of PCs, operating systems, applications, and common problems and solutions. Many of these people are wizards with desktop computers.

5p venus2468 06-11-2010 53 2   Download

Networking: A Beginner’s Guide Fifth Edition- P71:I have run into many people over the years who have gained good even impressive working knowledge of PCs, operating systems, applications, and common problems and solutions. Many of these people are wizards with desktop computers.

5p venus2468 06-11-2010 48 2   Download

Networking: A Beginner’s Guide Fifth Edition- P70:I have run into many people over the years who have gained good even impressive working knowledge of PCs, operating systems, applications, and common problems and solutions. Many of these people are wizards with desktop computers.

5p venus2468 06-11-2010 54 4   Download

Networking: A Beginner’s Guide Fifth Edition- P59:I have run into many people over the years who have gained good even impressive working knowledge of PCs, operating systems, applications, and common problems and solutions. Many of these people are wizards with desktop computers.

5p venus2468 06-11-2010 55 2   Download

Networking: A Beginner’s Guide Fifth Edition- P58:I have run into many people over the years who have gained good even impressive working knowledge of PCs, operating systems, applications, and common problems and solutions. Many of these people are wizards with desktop computers.

5p venus2468 06-11-2010 53 2   Download

Networking: A Beginner’s Guide Fifth Edition- P57:I have run into many people over the years who have gained good even impressive working knowledge of PCs, operating systems, applications, and common problems and solutions. Many of these people are wizards with desktop computers.

5p venus2468 06-11-2010 43 3   Download