Given the following sample XPATH example query in PostgreSQL, what would be the result:SELECT xpath_exists('/user/text()', '');O xpath{}(1 row)O xpathO{TestUser123}(1 row)Oxpath_existst(1 row)xpath_existsf(1 row)

To solve this query and understand the result, you need some basic knowledge of XML, XPath, and…

Answered: Given the following sample XPATH…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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let A = {a} Write down the set 22^A.
tnawi_01_IV-1-AIT) asle (1) X hool/tab:3717002657/19:4c035e20e1df4d6fad3145ad33ed1898@thread.tacv2?threadld=19:4c035e20e1df4d6fad3145ac (01 General Physics One Mouath Shatnaw 2 A Question (ähäi 4) Find the angle between the vector 3î +4j and the x axis 53.1 O 60.0 O 37.1 O 45.0 O 90.0 O (1) -_V--An) dole. GENERALLN TREME DO0000
Do Hamework- Jazzmin Ojini mathxl.com/Student/PlayerHomework.aspx?homeworkld3D559398017&questionld%3D24&flushed%3=false&cld%3D5888996&ce 20S Math136-02: PreCalculus - Section-02 Jazzmin Ojini & 0- Homework: Module-3 Homework Assignment Score: 0 of 1 pt 1 of 25 (22 complete) HW Score: 6 X9.7.1 Solve the right triangle. 965 m 25 35" C. b. In the right triangle ABC, with C = 90°, B = (Round to the nearest integer as needed.) Enter your answer in the edit fields and then click Check Answer. 1 part remaining iTunes Clear All Ch.ck Answ APR 55 1 MacBook Pro FI F7
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Consider data on every game played by the Brooklyn Nets in 2014 (82 games) that includes the variables margin, - the Net's margin of victory (number of points the Nets scored minus the number of points their opponent scored) for game i, and • home; - a dummy variable equal to 1 when the Nets are the home team (game i was played in their home arena) and equal to 0 when they are the away team (game i was played in the opponent's arena). I use the least-squares method to estimate the following regression model margin = a + ßhome; + ei Below is the Stata output corresponding to the estimated regression line: regress margin home if team===== "Brooklyn Nets" . Source Model Residual Total margin home _cons SS 1459.95122 15252.0488 16712 df 1459.95122 1 80 190.65061 None of the above 81 206.320988 Coef. Std. Err. 8.439024 3.049595 -5.219512 2.156389 MS t Number of obs F(1, 80) Prob > F R-squared O The Nets lost more games than they won in 2014 P>|t| 2.77 0.007 -2.42 0.018 Adj R-squared = Root…
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Katy is interested to understand the of herd immunity concept for Singapore's COVID-19 cases. She noted that 95% of adult population in Singapore's is fully vaccinated by the end of October 2021. She want to compare difference of COVID-19 death cases in Singapore's before Singapore's achieve herd immunity and after Singapore's achieve herd immunity. She collects the data of death cases in Singapore's two weeks in the early of October 2021 (to represent before herd immunity) and two weeks in the end of November 2021 (to represent after herd immunity). Assume the variable is approximately normally distributed. The data are presented as below. Before herd immunity After herd immunity 121 109 118 76 117 105 132 53 40 68 55 45 41 24 78 74 64 93 103 68 88 63 47 37 48 45 40 29 a) What test is appropriate to be used in this question? State why. b) Find sample mean and sample standard deviation of the above data. c) Can Katy concluded that the before herd immunity death cases is lower than the…
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Public C Clever | Portal 8 Industrial Revolution Unit 2021 x Schoology (36) M rictims.seattleschools.org/common-assessment-delivery/start/4914604058?action=onresume&submissionld=527661679 y = 80(7) y = 80(4)* y = 80()* y = -80(7)" :: :: Schoology - Googl.. Microsoft Teams DELL
When a least squares line is fit to the 11 observations in the service time data, we obtain SSE= 210.8204. Calculate s? and s. (Round s2 to 4 decimal places. Round s to 5 decimal places.) s^2 This is a numeric cell, so please enter numbers only.
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Consider data on every game played by the Brooklyn Nets in 2014 (82 games) that includes the variables margin; - the Net's margin of victory (number of points the Nets scored minus the number of points their opponent scored) for game i, and • home; - a dummy variable equal to 1 when the Nets are the home team (game i was played in their home arena) and equal to 0 when they are the away team (game i was played in the opponent's arena). I use the least-squares method to estimate the following regression model margin = a + ßhome; + ei Below is the Stata output corresponding to the estimated regression line: regress margin home if team==== "Brooklyn Nets" Source Model Residual Total margin home _cons SS 1459.95122 15252.0488 16712 df 1 80 Coef. Std. Err. MS 81 206.320988 8.439024 3.049595 -5.219512 2.156389 1459.95122 190.65061 t Number of obs F (1, 80) Prob > F R-squared. Adj R-squared = Root MSE P>|t| 2.77 0.007 -2.42 0.018 82 7.66 0.0070 0.0874 0.0760 13.808 [95% Conf. Interval]…

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Given the following sample XPATH example query in PostgreSQL, what would be the result: SELECT xpath_exists('/user/text()', ''); xpath 0 (1 row) Oxpath {TestUser123} (1 row) Oxpath_exists t (1 row) Oxpath_exists f (1 row)