x x x x x SQL Facts SQL stands for Structured Query Language SQL is pronounced “sequel” SQL is declarative language SQL is used to access & manipulate data in databases Top SQL DBs are MS SQL Server, Oracle, DB2, and MySQL Database Definitions RDBMS (Relational Database Management System) – Software that stores and manipulates data arranged in relational database tables. Table – A set of data arranged in columns and rows. The columns represent characteristics of stored data and the rows represent
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Languages History of the SQL – SQL was initially developed at IBM by Donald D. Chamberlain, Donald C. Messerly, and Raymond F. Boyce in the early 1970s. This version, initially called SEQUEL (Structured English Query Language) was designed to manipulate and retrieve data stored in IBM’s original quasi-relational database management system, System R, which a group at IBM San Jose Research Laboratory had developed during the 1970s. The acronym SEQUEL was later changed to SQL because “SEQUEL” was a trademark
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these four men would change the history of database management forever. In 1978 SDL was renamed Relational Software Inc (RSI) to market their new database. 1979 - Oracle release 2 The first commercial RDBMS was built using PDP-11 assembler language. Although they created a commercial version of RDBMS in 1977, it wasn't available for sale until 1979 with the launch of Oracle version 2. The company decided against starting with version 1 because they were afraid that the term "version 1" might be viewed
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have to be read together with the class lectures, reading material, and statutes dealing with the subject RDBMS/Slide 1 Introduction Flat files - 1960s - 1980s Hierarchical – 1970s - 1990s Network – 1970s - 1990s Relational – 1980s – present Object-oriented – 1990s – present Object-relational – 1990s – present Data warehousing – 1980s – present Web-enabled – 1990s - present RDBMS/Slide 2 1 Introduction Data Models Classification Data models can be classified as: 1. 2. 3. File-based
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Expertise * Knowledge of Installation, Configuration and maintenance of Oracle 10g and 11g Databases. * Configuring Physical Standby database and its maintenance.Database Upgradation from 10g to 11g. * Analyzing database performance using sql trace and TKPROF. Good in Export and Import for taking logical backup & refresh activities. * Configuration of Flash Recovery Area, Flashback Database and Block Change Tracking for Target Databases. * Creation and maintenance of database
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C URRIC ULUM VITAE GANESH PATRA P roject Sci entist, Odisha Spac e Ap p lica t ion s Cen t re Dep artm ent of Sci en ce & Techn olo g y, Go vt . of Od ish a P h on e: +91- 890 8757907, Email: gan es hpa t ra 099@ gmai l .com 1. EDUCATION Class X (Board of Secondary Education) Class XII (Council of Higher Secondary Education) 2005 B.S.K Vidyapitha,Baunshagadia 76.53 % 2007 Nayagarh Junior College, Nayagarh. 77.89 % B.Tech (Computer Sc. & Engineering) 2012
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Chapter 5 Vocabulary 1) Normal forms-(e) rules for removing anomalies and redundancies. 2) Update anomalies- (c) where the same data must be updated in several places creating the possibility of mismatched or inaccurate data. 3) Deletion anomalies- (a) where deleting some data inadvertently also removes other data. 4) First normal form- (i) removes repeating groups or arrays. 5) Denormalization- (j) the process of rejoining tables that were separated during the normalization process to improve
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Big Data Big Data and Business Strategy Businesses have come a long way in the way that information is being given to management, from comparing quarter sales all the way down to view how customers interact with the business. With so many new technology’s and new systems emerging, it has now become faster and easier to get any type of information, instead of using, for example, your sales processing system that might not get all the information that a manger might need. This is where big data
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1. List the components included in a Relational Database Management System (RDBMS) in general. Client and server, tools for backup and restore, tools for creation and maintenance of the DB, tools for securing access, administrative and reporting tools and often tools for data analysis. 2. What is the language used to interact with most modern relational database? SQL 3. List the three (3) properties of a primary key. Unique Not Null Can not be changed 4. Why is it required that every
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Networking. | E-mail | princeikhanna@yahoo.co.in coolprinceahmedabad@gmail.com | Known Languages | Gujarati , Hindi , English , Punjabi | | | SKILL | Languages | C, C++, Java,Visual Basic.NET | Web Technologies | ------------------------ | RDBMS | SQL Oracle, MS Access | Software Packages | MS Office, Rational Rose, Visual Studio, MS Visio. | Technologies Known | ASP.NET,ADO.NET | Operating Systems | MS-DOS, XP, WINDOWS – VISTA, WONDOWS – 7, WINDOWS - 8 | Project Work | 1. E – Booking
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