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Free SQL Essays and Papers

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    Database And SQL

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    is. Most of todays complex databases are found on a computer. SQL is the Structured Query Language. A database and SQL help communicate with each other. Its main function is to manage data. According to sqlcourse.com, SQL are “used to perform tasks such as update data on a database, or retrieve data from a database.” The majority of all databases in someway use SQL. SQL is an effective tool for accessing and controlling databases. SQL is also an American National Standards Institute standard. The

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    SQL Attack

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    are vulnerable to attack because of unsecure code. Common attacks are SQL injection and XSS. The aim of this project is to identify vulnerabilities in source code, then attack the vulnerabilities, and finally, fix the errors to make the code secure. The input fields in the register and login pages of a basic web application will be used to demonstrate the attacks used. The attacks used in the report are SQL injection and XSS. SQL injection will be fixed using PHP Data Objects (PDO) prepared statements

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    The History Of PL/SQL

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    PL/SQL is a combination of SQL along with the procedural features of programming languages.The PL/SQL programming language was developed by Oracle Corporation as procedural extension language for SQL and the Oracle relational database.Some of notable facts about PL/SQL: • PL/SQL is portable, high-performance transaction processing language. • PL/SQL provides a built in interpreted as well as OS independent programing environment. • PL/SQL can directly be called from the command line SQL-Plus interface

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    SQL Vs NSQL

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    In the world of database technology, there are two main types of databases: SQL and NoSQL—or, relational databases and non-relational databases. The difference speaks to how they’re built, the type of information they store, and how they store it. Relational databases are structured, like phone books that store phone numbers and addresses. Non-relational databases are document-oriented and distributed, like file folders that hold everything from a person’s address and phone number to their Facebook

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    Microsoft Language Integrated Query (LINQ) for SQL ie LINQ to SQL Introduction: This article is about LINQ (Language Integrated Query) which is one of the most entertaining concept and feature in .NET programming. LINQ makes the querying of data a unique programming concept in .NET. Querying of data can be taken from XML (LINQ to XML), database (LINQ enabled ADO.NET, LINQ to SQL, LINQ to Dataset, LINQ to Entities) and Object (LINQ to Objects). LINQ can easily and highly extensible and allow developers

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    In the world of database technology, there are two main types of databases: SQL and NoSQL—or, relational databases and non-relational databases. The difference speaks to how they’re built, the type of information they store, and how they store it. Relational databases are structured, like phone books that store phone numbers and addresses. Non-relational databases [7] are distributed and are document-oriented just like file folders hold everything from a person’s address and phone number to their

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    Since the SQL language appeared in mid 1970s, it has been leading the relational database industry for many years. With the modern era of databases not everyone sees the advantages of using relational databases. NoSQL, was first developed in the twenty first century (MongoDB, para 19) to address the issues that the SQL language could not handle. NoSQL cannot handle pure relational database models, it can use any of five different kinds of models, including relational to solve problems. With the variety

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    Beyond the Big Data deluge, many enterprises leveraging SQL reporting services in managing vast databases of critical business information are growing at breakneck speeds. The ability to develop and manage customized database queries without employing experienced and well-trained IT professionals for the sole purpose of database management means financial decision makers and C-suite executives can involve themselves in gathering valuable and accurate intelligence by creating customized data analytics

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    Various organizations tend towards to establish websites, which use databases in order to store, recall, update etc., for specific information. This database can create by using Structure Query Language (SQL). SQL is defined as a query or interpreted language, which depends on using statements via SQL, developing and managing for web database such as incorporate user-supplied data. Moreover, information that store in the database could be high value of: • Financial secret information such as transactions

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    Introduction This paper will compare and contrast five different database management systems on six criteria. The database management systems (DBMS) that will be discussed are SQL Server 2000, Access, MySQL, DB2, and Oracle. The criteria that will be compared are the systems’ functionality, the requirements that must be met to run the DBMS, the expansion capabilities – if it is able to expand to handle more data over time, the types of companies that typically use each one, the normal usage of the

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