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“This is a well-written, well-organized guide to the practice of database administration. Unlike other books on general database theory or relational database theory, this book focuses more directly on the theory and reality of database administration as practiced by database profes sionals today, and
The IID Assumption All formal inference procedures in this course assume or require that the data are, in some manner, IID, where IID stands for Independent and Identically Distributed. Recall that any random sample - such as a simple random sample of size n - is a collection of random variables which we will denote by fX 1;X 2;:::;X ng. Also ...
Having independent and identically distributed (IID) data is a common assumption for statistical procedures and hypothesis tests. But what does that mouthful of words actually mean? That’s the topic of this post! And, I’ll provide helpful tips for determining whether your data are IID.
Database systems: Volume 1 D. Lewis CO2209 2016 Undergraduate study in Computing and related programmes This is an extract from a subject guide for an undergraduate course offered as part of the
I am trying to understand the difference between iid and non-iid data. Let's consider a given time series, and say it's reasonable to assume that at each time point the random variable $X_t$ depends on $X_{t-1}$. Now say someone gives me the dataset $ D = \{ ( t_i, x_i ) \} $ for $i=1 \dots n$.
Multiplatform DBA Issues 42. Production versus Test 44. The Impact of Newer Technology on DBA 46. Procedural DBAs: Managing Database Logic 46. Contents. xi. The Internet: From DBA to eDBA 50. The Personal DBA and the Cloud 53. NoSQL, Big Data, and the DBA 55.
1. Introduction: Basics of Database Administration 1-2 Objectives After completing this chapter, you should be able to: • enumerate tasks of the database administrator. • create users in Oracle. • explain the structure of the Oracle Data Dictionary. • formulate queries against data dictionary tables.
