manager apos s guide to data warehousing

... Basic data warehousing environment www.it-ebooks.info Access & Use of Data Source System Data Prepare the Data Source System Data Part I ■ The Essentials of Data Warehousing Source systems, shown ... Successful IT–Business Partnerships What a Partnership Really Means What the Business Partners Should Expect to Do Business Executives and Senior Management The Executive Business Sponsor Business ... to the essence of data warehousing What Is a Data Warehouse? A data warehouse (DW) is the collection of processes and data whose overarching purpose is to support the business with its analysis...

Ngày tải lên: 29/03/2014, 19:20

... Administrator) is operating systems and database systems consultant with Consortio Services in Colorado Springs There he provides training, administration, analysis, and design support for customers using ... company orders refrigerators, dishwashers, and the like from the manufacturers and then takes orders and sells those appliances to its customers (retail stores) What Tom doesn’t know is how to take ... infrastructure design and support (AD, DNS, MS Exchange), telephony switch support, and network support Josh has spoken at various PASS sponsored events about SQL Server topics such as 64-bit SQL...

Ngày tải lên: 31/03/2014, 21:22

... powers of 1.6.1.6 Classless Interdomain Routing Using this technique, addressing is no longer associated with class structure Classless addresses have replaced classful addresses Called classless ... is the technique of choice for most networks 1.6.1.7 Multicast Addresses In addition to Class A, Class B, and Class C spaces for unicast addresses, Class D is defined for multicast addresses ... overhead makes UDP datagrams ideal carriers for short messages, such as requests, answers, and repetitive announcements, sent to single locations using IP unicast addresses In addition, UDP is used whenever...

Ngày tải lên: 27/06/2014, 00:20

... the frame The destination address follows It may be unicast, multicast, or broadcast The source address is a unicast address These 6-byte addresses are assigned to the source and destination hardware ... Access Protocol IEEE 802.3 Subnetwork Access Protocol (SNAP) was created to permit protocols designed to operate with a Classic Ethernet header to be used in IEEE 802.3 applications Messages sent ... header bytes 0xAA Source address SSAP 00 Payload Frame status bytes 1 byte byte Destination address Control 0x03 00 DSAP Preamble DSAP Destination service access point SSAP Source SAP 0xAA 57 Start...

Ngày tải lên: 14/08/2014, 13:20

... way as user s data is passed from System to System Below the stacks are the PDUs that are passed from host to router, and router to host, over the two transmission systems The combinations IH1 ... connection-oriented protocols such as TCP • Class 4: Supports connectionless data transfer It is intended for interoperation of connectionless data transfer protocols such as UDP • Class 5: No objective is specified ... opportunity for the sender to request 128 different sets of conditions Is it reasonable to expect routers to discriminate among so many classes of frames and respond in 128 distinct ways? Absolutely not!...

Ngày tải lên: 14/08/2014, 13:20

... changes in usernames and passwords If banning all http:// traffic is impossible, perhaps the best approach is to maintain activity logs and question excessive use or the use of specific addresses ... forwarding it 5.4.2.2 Ingress, Progress, and Egress The actions of edge and core switches can be described in three phases Known as ingress, progress, and egress processes, on each incoming port, ... Intermediate System -to- Intermediate System An intermediate system is OSI terminology for a router Intermediate System-toIntermediate System (IS-IS) was developed by OSI as part of the OSI protocol stack...

Ngày tải lên: 14/08/2014, 13:20

... X SIFS Time Busy Station sending to Station 2; Station responding RTS SIFS CTS SIFS SIFS Data ACK1 Time Busy Station sending to Station 2;Station responding DIFS PIFS SIFS Data SIFS ACK0 SIFS ... Transmission Facilities • Short interframe space (SIFS): An interval used for high-priority transmissions such as RTS/CTS frames and ACKs SIFS is less than DIFS Once a multiframe transmission has ... bytes 23 data bytes 23 data bytes 23 data bytes 23 data bytes 23 data bytes 23 data bytes 23 data bytes 23 data bytes 23 data bytes 23 data bytes 23 data bytes 23 data bytes 23 data bytes 23 data...

Ngày tải lên: 14/08/2014, 13:20

... However, installation does require lowpass filters (microsplitters) on each telephone Spliterless ADSL is described as a best-effort transmission system Achievable downstream/upstream data rates are ... is processed by every station on the same segment of the network Routers not pass broadcast messages to other networks Codes, Code Words, and Code Sets Binary symbols are known as bits, and sometimes ... patterns of data produce constant level signals that can be troubling to transmission systems For instance, strings of 0s may cause the terminals to lose synchrony Other patterns can be equally as...

Ngày tải lên: 14/08/2014, 13:20

... destination addresses Bits and of byte are used to identify universal or local addresses, and individual or group addresses DESTINATION ADDRESS SOURCE ADDRESS (2 or bytes): Unicast address of station ... Address Translator) SOURCE IP ADDRESS (4 bytes): Contains the IP address of the destination host (or Network Address Translator) DESTINATION ADDRESS OPTIONS AND PADDING (n×4 bytes): Options can ... packet is discarded SOURCE ADDRESS (16 bytes): Unicast address of sending node DESTINATION ADDRESS (16 bytes): Address of final destination or NAT EXTENSION HEADERS (n×8 bytes): Up to eight extension...

Ngày tải lên: 14/08/2014, 13:20

... multicast addresses Classful IP addresses In IPv4, three unicast address classes are defined for public use See Class A, Class B, and Class C addresses Classless address See classless interdomain ... IP addresses Provides IP addresses given host names and host names Domain name system A process that maps host names and IP addresses It resolves names into numbers and numbers into names Dotted ... or splits SONET traffic at various speeds so as to provide access to SONET channels without demultiplexing the signal stream Address mask See subnet mask Address Resolution Protocol its hardware...

Ngày tải lên: 14/08/2014, 13:20

... multiplexes 28 DS-1 signals directly to DS-3 T-4 Multiplexes six DS-3 signals into one DS-4 (274.176 Mbps) signal (DS-4 = 4,032 DS- 0s) 236 Glossary T-4NA Multiplexes three DS-3 signals into one DS-4NA ... Multiplexes seven DS-2 signals into one DS-3 (44.736 Mbps) signal (DS-3 = 672 DS- 0s) A special version developed for enterprise networks known as T3 SYNTRAN (synchronous transmission), multiplexes 28 ... the result is all- 1s, it is likely that transmission was free of errors UDP datagram Ideal carrier for short messages, such as requests, answers, and repetitive announcements, sent to single...

Ngày tải lên: 14/08/2014, 13:20

... Director of Communications American Lung Association of San Francisco and San Mateo Counties ® THE SIX PHASES OF THE SOCIAL MARKETING PROCESS What follows is a basic guide to the phases in the social ... is to advance the science and practice of social marketing The Institute s site includes many case studies and success stories: www.social-marketing.org/index.html ® Tools of Change is a Web site ... marketing Using a strategic process, including questions to ask and items to consider or pay social marketing attention to during the process The six phases described are from approach resulted in us...

Ngày tải lên: 18/02/2014, 02:20

... answer is “yes,” you have two more questions to ask yourself: • Does the employee have the skills and abilities to effectively deal with the outside factors in order to be successful? • Does ... levels To so, one must focus on the entire Success Equation—Aptitude, Attitude, and Available Resources Because Attitude is the keystone of success, to effectively develop their employees, managers ... of Success depends on it Attitude is the keystone in the success equation that can affect the Level of Success in exponential ways Let s examine three of the reasons why this is true and how managers...

Ngày tải lên: 08/03/2014, 16:20

... computer Easy to say, and easy to dismiss as unreasonable, but true nonetheless One of the staggering things about the wikileaks exposures of US government files was the naïvety of some of those writing ... access to all sorts of wonderful resources for learning but it does more than this It helps us understand ourselves and the world around us in context It helps us make sense of things It helps us ... to pass on to others This sort of self-awareness and thoughtfulness is not just an indulgence Its absence has had a profound effect on the 34 “Writing Ourselves into Existence” way we run businesses...

Ngày tải lên: 15/03/2014, 15:20

... overseers of the production process, leaving owners free to direct their businesses As businesses have grown in size and ownership has become more diffuse and institutional, leadership has emerged ... Leadership Fable (San Francisco: Jossey-Bass, 2002) and his Overcoming The Five Dysfunctions of a Team: A Field Guide for Leaders, Managers, and Facilitators (San Francisco: Jossey-Bass, 2005) ... Preface: how to use this book This book is an active guide to leadership rather than a stock of knowledge It has a simple message: if you wish to contribute to leadership … … discover the most significant...

Ngày tải lên: 17/03/2014, 21:29

... Net sales Cost of goods sold: Inventory, January Purchases (net) Goods available for sale Less inventory, December 31 Cost of goods sold: Gross profit Operating expenses Selling: Sales salaries ... revenue) As mentioned, this is what was really sold after customers’ returns, sales discounts, and other allowances were taken away from gross sales Companies usually just show the net sales amount ... They should also discuss its likely “exposure” (how much of its shirt the company may lose, including attorneys’ fees) if the other side wins In these cases, the notes should also discuss what...

Ngày tải lên: 08/04/2014, 12:07

... Net sales Cost of goods sold: Inventory, January Purchases (net) Goods available for sale Less inventory, December 31 Cost of goods sold: Gross profit Operating expenses Selling: Sales salaries ... revenue) As mentioned, this is what was really sold after customers’ returns, sales discounts, and other allowances were taken away from gross sales Companies usually just show the net sales amount ... They should also discuss its likely “exposure” (how much of its shirt the company may lose, including attorneys’ fees) if the other side wins In these cases, the notes should also discuss what...

Ngày tải lên: 08/04/2014, 12:09

... blossomed recently Computer trading is big business in all the organized markets A final chapter briefly discusses the use of computers to assist in and automatically execute trading decisions It ... dollars The price of a pair is the ratio between their respective values Pairs, crosses, majors, minors, and exotics are terms referencing specific combinations of currencies I discuss these terms ... advantages and disadvantages of both schools in the chapters in this section I offer ideas on selecting from these trading tools to assemble a basic, personal trading approach that you can easily...

Ngày tải lên: 21/06/2014, 08:20

... Interest is further dissected for analysis in some futures markets between commercial interests (hedgers), large speculators, and small speculators as seen on the web site www.timingcharts.com ... be restored Congress held hearings to identify the problems and search for solutions Based on the findings in these hearings, Congress passed the Securities Act of 1933 and the Securities Exchange ... People who sell and trade securities—brokers, dealers, and exchanges— must treat investors fairly and honestly, putting investors’ interests first The Bretton Woods System, 1944–1973 The post–World...

Ngày tải lên: 21/06/2014, 08:20