'Acid properties' diaporamas de présentation

Ch 4. Transaction-Oriented Computing

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1. Introduction

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Ionic Compounds

Ionic Compounds. When two atoms approach each other the following may happen: 1. A transfer of electron(s) may occur 2. Leads to the formation of oppositely charged ions 3. These oppositely charged ions are held together by electrostatic attraction (Coulombic attraction)

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CS640 Information Systems

IIT BOMBAY. CS640 Information Systems. Dr Deepak B Phatak Subrao Nilekani Chair Professor Kanwal Rekhi Building, Department of CSE IIT Bombay Session 7, SQL DML and transactions. Session overview. Views Data manipulation Changes in database contents Transactions Course Project.

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CS 162 Discussion Section Week 9

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CHAPTER 4

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Concurrency and Transaction Processing

Concurrency and Transaction Processing. Concurrency models. 1. Pessimistic avoids conflicts by acquiring locks on data that is being read, so no other processes can modify that data

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Module 11: Managing Transactions and Locks

Module 11: Managing Transactions and Locks. Overview. Overview of Transactions and Locks Managing Transactions Understanding SQL Server Locking Architecture Managing Locks. Lesson 1: Overview of Transactions and Locks. What Are Transactions? What Are Locks? What Is Concurrency Control?.

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Web Application Development Tools/Environments

Web Application Development Tools/Environments. Tim Sigmon George Pipkin, Bill Niebel, Wade Komisar Dave Saunders, Nathan Piazza Advanced Technology Group May 13, 1999. Introduction. development of web apps is a huge topic this overview focuses on apps needing database connectivity

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C-Store: The Life of a Query

C-Store: The Life of a Query. Jianlin Feng School of Software SUN YAT-SEN UNIVERSITY Mar 6, 2009. Main Components of a DBMS (1). A typical DBMS has 5 main components Client Communication Manager Process Manager Relational Query Processor Transactional Storage Manager

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Acid Properties

Press the Right Arrow Button to Advance through the Presentation!. SPI 0807.9.12 Acids and Bases. ?. Notes. Acid Properties An acid is any compound that increases the number of hydronium ions , H 3 O + , when dissolved in water.

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Concurrency in Java

Concurrency in Java. Last Updated: Fall 2010. Paul Ammann SWE 619. Agenda. Some General Concurrency Mechanisms Concurrency in Java Synchronization in Java Rules for Threads. Concepts to be covered. Threads, concurrency Interleaving, race conditions Atomicity of execution

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Acid Properties

Press the Right Arrow Button to Advance through the Presentation!. SPI 0807.9.12 Acids and Bases. ?. Notes. Acid Properties An acid is any compound that increases the number of hydronium ions when dissolved in water.

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Warm-up

Warm-up. What happens to the solubility of a gas in solution when: The temperature is increased The pressure is increased. Acid Properties. sour taste when dissolved in water turns litmus paper red/ phenolphthalein stays clear react with metals to make H 2 (g)

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3.11 Phenols

O. H. aromatic. Phenol. 3.11 Phenols. IUPAC name for benzene with a hydroxyl group Many are used as antiseptics and disinfectants . 3.12 Nomenclature for Phenols. Phenol 2-methylphenol, not 3-hydroxytoluene 3-chlorophenol. O. H. Phenol. 3.13 Physical and Chemical Properties.

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N H 2 O Na K

Warm up 9/19 & Lab Turn in* Identify the following symbols & identify whether they are Elements (E) or Compounds (C). N H 2 O Na K. H 2 SO 4 HCl Cl NaCl. Write the equation: H 2 O+ H + ? H 3 O + What are the products and what are the reactants ?

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1) Look at the two diagrams below. In the 1 st diagram two soccer balls are 5m apart.

SPI 0807.12.5 to 12.6 Gravity. Bellwork. Jan 9, 2013. Go Get Your Clickers!!!. 1) Look at the two diagrams below. In the 1 st diagram two soccer balls are 5m apart. In the 2 nd diagram two soccer balls are 8m apart. In which diagram is the gravitational attraction greatest and why?

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