DATABASE SPECIFICATIONS 1. TABLE NAME : TBLGENDER FIELD NAME DATA TYPE SIZE CONSTRAINT REFERENCES GID IntN/A PK‚ IDENTITY NONE GDESC Varchar6 NOT NULL NONE 2. TABLE NAME: TBLGRDLVL FIELD NAME DATA TYPE SIZE CONSTRAINT REFERENCES GRDID IntN/A PRIMARY KEY‚IDENTITY NONE GRDLVLDESC VarChar15 NOT NULL NONE GRDSECTION Varchar15 NOT NULL NONE 3. TABLE NAME: TBLRANK FIELD NAME DATA TYPE SIZE CONSTRAINT REFERENCES RANKID IntN/A PRIMARY KEY‚IDENTITY NONE RANKDESC Varchar20 NOT NULL NONE 4.
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Are viruses alive? Explain why you think viruses are alive or not. Viruses are not alive. This is because even though viruses are made up of molecules (proteins‚ nucleic acids‚ carbohydrates and lipids)‚ they cannot do anything on their own‚ until they enter or come into contact with a living cell. Viruses cannot multiply without having a host cell to initiate the process. Another reason would be that viruses don’t actually do anything on their own. Whenever a virus comes into contact with a cell
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The Large Ant as an Ineffectual Critique of Human Moral Nature What is “human nature”? Do a natural set of behavioral paradigms govern our morals at the most basic level? And more importantly‚ are those prescribed behaviors inherently good‚ or naturally evil? The Large Ant by Howard Fast depicts human nature as leaning toward the latter. Many other artistic and literary works seem to take this position‚ arguing that because humans have the capacity to commit evil deeds‚ they must themselves be
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Running Head: Database Development Case Study: Database Development Maintenance plans and activities that could be performed in order to improve data quality In order to improve the quality of datasets various activities to be performed like error detection and correlation‚ process design and process control and improvement In error detection method‚ errors are detected by comparing data to a correct baseline and by checking for missing values. By examining time stamp incorrected
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hooligan type is not necessarily unemployed‚ and many of them are in possession of high-level jobs or university students‚ many of them are married and some of them even have children. The two stories Green Street Hooligans and Among the Thugs‚ very similar because it is an innocent person who has not seen the world before‚ which suddenly becomes drawn into a completely different world than the one they are accustomed to‚ and they are afraid and they are suddenly in the middle of a large hooligan showdown
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Database management systems A database management system (DBMS) consists of software that operates databases‚ providing storage‚ access‚ security‚ backup and other facilities. Database management systems can be categorized according to the database model that they support‚ such as relational or XML‚ the type(s) of computer they support‚ such as a server cluster or a mobile phone‚ the query language(s) that access the database‚ such as SQL or XQuery‚ performance trade-offs‚ such as maximum scale
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Oracle Table Triggers Version 11.1 General Data Dictionary Views Related To DDL Triggers trigger$ dba_triggers all_triggers user_triggers System Privileges Related To Table Triggers create trigger create any trigger administer database trigger alter any trigger drop any trigger Table Trigger Firing Options -- before constraints are applied BEFORE INSERT BEFORE UPDATE BEFORE DELETE -- after constraints are applied AFTER INSERT AFTER UPDATE AFTER DELETE Transaction
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Lecture-13 Structured Query Language (SQL) Introduction Commercial database systems use more user friendly language to specify the queries. SQL is the most influential commercially marketed product language. Other commercially used languages are QBE‚ Quel‚ and Datalog. Basic Structure The basic structure of an SQL consists of three clauses: select‚ from and where. select: it corresponds to the projection operation of relational algebra. Used to list the attributes desired in the
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WHY I THINK SEAWORLD SHOULD CLOSE DOWN Seaworld may seem like a great‚happy‚ and fun place. When you actually get to go and interact with the Sea animals you might get a chance to swim with the dolphins or touch the small sharks and stingray. The first Seaworld was called Sealand. The aquarium opened in 1969‚ housing an orca named Haida which had been captured in 1968‚ then they started to buy Orcas from other countries and have the shipped to Sealand. The first dozen Orcas dies on the way to Sealand
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EXPLAIN WHY EFFECTIVE COMMUNICATION IS IMPORTANT IN DEVELOPING POSITIVE RELATIONSHIPS WITH CHILDREN‚ YOUNG PEOPLE AND ADULTS. Good communication is key to building strong and lasting relationships with children‚ young people and Adults. We begin this process with children as they start school‚ develop it as they grow older and maintain as we become adults. Clear communication is vital when working in a support role in an educational environment. Children beginning school for the first time will
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