PPT-CSCI 2141 – Intro to

CSCI 2141 Intro to Database Systems Summary The Design Process Normalization process produces good tables from poor ones Ensure that the proposed entities meet the required normal form normally 3NF before creating table structures. !"#"$%&'()*+,'-!"#$%&'(!)&(*#(&+,!#-!.//#/!01&2$#!1$+3!!"#$%&!'(&)*!+,--!./&0012!.#/3'!211)!2#0!2141''(/&-5!61!071!.#/)'!#8!9#28$4&$'*!(2)!(--!:1)&4&21!)#1'!2#0!2141''(/&-5!4#2'&'0!#8!071!8#/:$-(1!#8 HECTARES ACRES 0 1 2 3 4 5 6 7 8 9 0 0.4047 0.8094 1.2141 1.6187 2.0234 2.4281 2.8328 3.2375 3.6422 10 4.0469 4.4516 4.8563 5.2610 5.6656 6.0703 6.4750 6.8797 7.2844 7.6891 20 8.0937 8.4984 8.9031 9 . CSCI 201L. Jeffrey Miller, Ph.D.. http. ://www-scf.usc.edu/~csci201. USC CSCI 201L. Outline. USC CSCI 201L. 2. /8. Strings. Garbage Collection. Program. Strings. In Java there is a String class that abstracts a lot of the details away from the programmer. Original publication date- 1925. Prior knowledge?. Gatsby Intro- Context. Post war. Pre-Crash. Prohibition. Old Money vs. New Money. American Dream. Gatsby Intro- Modernism. The term modernism refers to the radical shift in aesthetic and cultural sensibilities evident in the art and literature of the post-World War One period. . . 20. Hashing / Hash tables. 1. CSCI 3333 Data Structures. Outline. Basic definitions. Different hashing techniques. Linear probing. Quadratic probing. Separate chaining hashing. Comparing hashing with binary search trees. CSCI 201L. Jeffrey Miller, Ph.D.. http://www-scf.usc.edu/~csci201. USC CSCI 201L. Outline. USC CSCI 201L. 2. /24. Distributed Programming. RMI. CORBA. Web Services. Test Yourself. Remote Procedure Calls. Jeffrey Miller, Ph.D.. jeffrey.miller@usc.edu. Outline. Conditions. Program. USC CSCI 201L. Conditional Statements. Java has three conditional statements, similar to C . if-else. switch-case. Conditional ternary operator . CSCI – 1900 Mathematics for Computer Science. Fall . 2014. Bill Pine. . CSCI 1900. Lecture 3 - . 2. Lecture Introduction. Reading. Rosen – Section 2.2. Basic set operations. Union, Intersection, Complement, Symmetric Difference. Jeffrey Miller, Ph.D.. jeffrey.miller@usc.edu. Outline. Generics. Generic Classes. Generic Methods. Program. USC CSCI 201L. 2. /18. Generics Overview. Generics were introduced in Java version 5.0 in 2004. CSCI 330 UNIX and Network Programming Unit XVII: Socket Programming Detail Unit Overview TCP programming socket behavior blocking vs. non-blocking signal handler 2 CSCI 330 - UNIX and Network Programming CSCI 2141 – Intro to Database Systems Advanced SQL –Joins Joins Table 8.1 - SQL Join Expression Styles 3 Sample Database CROSS JOIN Returns the Cartesian product of tables Example: SELECT * FROM CUSTOMER, CUSTOMER_2; Announcements. HW3 due today. HW5 is out and due on Tuesday after the break. Spring 20 CSCI 4450/6450, A . Milanova. 2. Outline. P. ure lambda calculus. . (catch up). Syntax and semantics. Free and bound variables. WIDA ConsortiumEnglish Language Development Office of English Language Learners 1 Computer Communications - CSCI 551 Copyright William C Chengsimple modela discrete event simulator2ns-2 the network simulator Computer Communications - CSCI 551 Copyright William C Chengwired wire