database schema for test bed

... dependencies and a new normal form for relational databases”, ACM Transactions on Database Systems, Vol.2, No.3, pp.262-278 [14] Fagin R (1979), “Normal forms and relational database operators”, ACM ... “A normal form for relational databases that is based on domains and keys”, ACM Transactions on Database Systems, Vol.6, No.3, pp.387- 415 [16] Zaniolo C (1982), “A new normal form for the design ... consulting tool for novice database designers”, ACM SIGMIS, vol.33, issue 3, pp.54-68 [241 Georgiev Nikolay (2008), “A web based environment for learning normalization of relational database schemata”,...

Ngày tải lên: 23/03/2014, 12:20

... with matrix computations, in general THE REAL-TIME MIMO TEST- BED: A HYBRID SIGNAL PROCESSING APPROACH The real-time MIMO test- bed described here was developed in the German HyEff project The goal ... hybrid design was chosen for the test- bed (see Figure 2) The main baseband signal processing units consist of an FPGA for very fast matrix vector multiplications and a DSP for a flexible implementation ... factor Therefore, it is reasonable to search for solutions which have a high performance and match the capability of a dedicated hardware The hybrid FPGA/DSP architecture of the test- bed gives...

Ngày tải lên: 22/06/2014, 23:20

Ngày tải lên: 31/05/2013, 00:21

Ngày tải lên: 31/05/2013, 00:21

... at 15 Many reliable methods of storing information when computers arrived a tend forgotten b tend to forget c tend to be forgotten d tend being forgotten 16 If someone into the store, ... been studying hard for the exam, so she .to pass a should b ought c had better d must VII Identify the one underlined word or phrase - A, B, C or D - that must be changed for the sentence to ... teenager's time is spending chatting on the Internet A B C D For several centuries no real changes made in the basic methods used for printing A B C D Hurricanes from the Gulf of Mexico have...

Ngày tải lên: 19/06/2013, 01:25

... the movie would (D) not disperse REVIEW FOR THE ONE PERIOD TEST (4th ) A OBJECTIVE TEST: READING 12, 13, 14 B WRITING To Inf Phrase of purpose → What … for? / Why …? Make WH-questions: WHY, WHEN, ... I really like him Don’t go …………….the rain! It is not good for your health What kind ……………… film you like? I haven’t been to the cinema for a century A ten years B hundred years C seven years D ... now B lots C belonged C made C explain C our C method C fewer C modern C much D held D kept D perform D their D result D any D present D plenty VI Answer the questions: When was the world’s first...

Ngày tải lên: 27/07/2013, 01:26

Ngày tải lên: 18/09/2013, 04:10

... goes catches lives loves fine fifth time five 10 get bed eleven ten 11 bus brush lunch ruler 12 grade late face class Ex7: Give the correct form of verbs What time … ……… they (get)………… up? They ... Ex5:Make questions for the underlined words My brother goes to work at o’clock ->……………………………………………… My sister is in...

Ngày tải lên: 14/10/2013, 08:11

... of people: the old, the (1)…………………, everyone And why people read? For (2) ………variety of reasons Some for pleasure, and some for (3) ………………because they have to And when people (4) …… ………? Well ... game of football at a stadium, or …………(3) TV while sitting in a comfortable armchair But watching sports events and going in for sports… ……(4) two different things Let’s hope that you prefer the ... ……………………… beer 14 What about (play)…………………………… computer games after school? Ex4: Make questions for the underlined words or answers My brother goes to the swimming pool three times a week ->………………………………………………………………………...

Ngày tải lên: 14/10/2013, 08:11

... recess ( on/ for / to/ at) He is a student Le Loi school (at/ in/ on/ for) Mai learns to use a computer ( what/ when/ how/ which) Mai is good English (at/ in /with /for) They are interested ... D date Ex7: Read the passage and choose the best answer for the questions My name is Huy and fishing is my favorite sport I often fish for hours without catching anything But this doesn’t worry ... different activities at recess ( in / on / for / at) 11 you have English class? - Every Monday (What time / When / How / How often) Ex 5: Give the correct form of the verbs Ba (learn) .how to...

Ngày tải lên: 18/10/2013, 03:11

... forget (send ) me postcard when you're on holiday I don't mind (travel) by train but I prefer ( fly) Before (go ) to bed , I often read a newspaper The weather was nice so I suggested (go) for ... I suggested (go) for a walk 10 I (stay) here untill he ( answer ) me 11 You (not forget ) to lock the door before you (go ) out 12 There are a lot of black clouds in the sky It ( rain) 14 We ... Nam’s teacher said to mir Hang - Nam’s teacher told …………………………………… This is a too hard question for her to answer - The question……………………… Peter and Mark are excellent football players - Peter...

Ngày tải lên: 22/10/2013, 16:11

... request for an appointment to the RRC in your area using the International Test Scheduling Form from the TOEFL® CBT Bulletin The TOEFL CBT ® Information Bulletin THE ETS®’s TOEFL® CBT Information ... changeover to computer-based testing for the TOEFL exam The good news is that with the computer-based exam, many more test dates are available, and test centers are therefore likely to be much less ... the day of the test by filling out the TOEFL® Score Report Request Form and paying an additional fee of $12 per recipient TOEFL® test scores are kept on file for two years after the test date Scores...

Ngày tải lên: 01/11/2013, 15:20

... phonological rules is to provide the phonetic information necessary for the transcribing of the atterances Vowel quality - At the end of word, quality is long - Before consonants, vowel quality is shortend ... nasalized when standing before nasal sounds: /m, n, ŋ/ Aspiration [h] Aspiration is a little extra puff of air that sometimes goes with speech sounds: /p, t, k/ (fortis plosive) - Fortis plosive will ... en’courage… - Fortis plosive will be unaspirated when standing after the sounds /s/ E.g: stay, star, sky… - Exception: car, key Unexploded [o] - Fortis plosive will be unexploded when standing before...

Ngày tải lên: 21/11/2013, 23:31

... used and are still available The INFORMATION _SCHEMA views conform to the SQL-92 Standard The views are defined within each database in a schema named INFORMATION _SCHEMA To access them, specify the ... view for the tables is accessed through the following syntax: INFORMATION _SCHEMA. TABLES Table 10-1 lists the information schema views available in SQL Server 2000 Table 10-1 Information schema ... ConfigurationSettings.AppSettings["OleDb_ConnectString"]); conn.Open( ); // Get the schema table schemaTable = conn.GetOleDbSchemaTable(OleDbSchemaGuid.Tables, new object[] {null, null, null, "TABLE"}); conn.Close( ); schemaDataGrid.CaptionText =...

Ngày tải lên: 24/12/2013, 05:15

... of a prospective database must be evaluated, database is to be loaded, ACM Transactions on Database Systems, Vol 13, No 1, March 1988 Physical Database Design for Relational Databases l 93 -the ... eliminate the need for the skeleton-replica tables described in the previous section ACM Transactions on Database Systems, Vol 13, No 1, March 1988 Physical Database Design for Relational Databases - ... access path for statement (S6) ACM Transactions on Database Systems, Vol 13, No 1, March 1938 Physical Database Design for Relational Databases l 125 Links may also be plausible for statements...

Ngày tải lên: 20/02/2014, 05:21

... described using schema A’s description To perform these transformations, a transforming processor needs mappings between the objects of each schema The task of schema translation involves transforming ... involving the schema objects of one schema (schema B) into commands involving the schema objects of the other schema (schema A) The schema translation problem and the command transformation problem ... the role a schema plays for a database One such effort is that of a “capability schema for an application program [Ryan and Larson 19861 Models for federation also need to be developed for such...

Ngày tải lên: 20/02/2014, 05:21

... its poor performance because it always applies We now turn to consider other approaches that have superior performance when they apply xji = for all i ∈N – {s and t} j:( j ,i )∈E -v for i = t Here, ... when there are few groups) We illustrate the SQL for this transformation on the following example schema: (Build new node set) add a node n1’∈ N1’ for every group of nodes in N1 which have the same ... more in-depth performance study of MJSM on two inequalities is warranted and we leave it for future work We present the time taken to compute the full join for comparison - for computing the...

Ngày tải lên: 07/03/2014, 14:20

... understand how information is being used (for example, to provide evidence for a claim or describe a step in a complex process); ■ recognize how pieces of information are connected (for example, ... the meaning and correct usage of the new words TOEFL iBT Performance Feedback for Test Takers ® Intermediate (15 – 21) Low (0 – 14) Test takers who receive a score at the INTERMEDIATE level, as ... use language for purposes other than to give information (for example, to emphasize a point, express agreement or disagreement, or convey intentions indirectly); and ■ synthesize information, even...

Ngày tải lên: 08/03/2014, 20:20

... listen for; for example, where to go, what to or when to meet someone Be prepared to hear several pieces of information that may sound quite similar If you have to listen for a particular place, for ... minutes to complete this subtest Reading, Par t Task For each of the five situations, your task is to find relevant information in a list For example, you will see an information board in a shopping ... on the information you gave before Strategy The first part of the Speaking subtest is always the same, so you can prepare for it very well Practise what you want to say several times before the...

Ngày tải lên: 16/03/2014, 05:20

... inequalities We present the times for full joins for comparison for computing the full join, Predator’s optimizer chose sort-merge for the first two queries and page nested loops for the third Figure 13 ... t The max flow problem can be stated formally as: Maximize v subject to: v for i = s, xij − xji = for all i ∈N – {s and t} j:( i , j )∈ A j:( j ,i )∈ A -v for i = t ∑ ∑ Here, we refer to the vector ... value of the flow We first describe a standard technique for transforming a matching problem to a max flow problem We then show a novel transformation of that max flow problem into an equivalent...

Ngày tải lên: 16/03/2014, 16:20