SQL Essays

  • Database And SQL

    526 Words  | 2 Pages

    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

  • The History Of PL/SQL

    2441 Words  | 5 Pages

    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

  • SQL Attack

    962 Words  | 2 Pages

    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

  • SQL Vs NSQL

    870 Words  | 2 Pages

    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

  • Microsoft Language Integrated Query (LINQ) For Sql Ie NEQ To SQL

    965 Words  | 2 Pages

    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

  • The Tool Language: The Future Of The SQL Language

    1017 Words  | 3 Pages

    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

  • Difference Between SQL And NSQL

    971 Words  | 2 Pages

    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

  • Database Comparison of SQL Server 2000, Access, MySQL, DB2, and Oracle

    1088 Words  | 3 Pages

    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

  • What Is The Difference Between PL/PQL And T/SQL

    844 Words  | 2 Pages

    Introduction: PL/SQL and T-SQL are completely different programming languages and have different variable declaration , different syntax, different built in- functions and programming capabilities. The only thing in common is they are extensions of SQL and the execution and storage inside the database. PL/SQL is a procedural language used for Oracle relational database where as T-SQL is a proprietary procedural language of used for Microsoft SQL server and Sybase. PL/SQL: PL/SQL stands for Procedure

  • SQL Server Proposal for GRW Inc

    1969 Words  | 4 Pages

    companywide. The proposed solution to the needs of the company is the installation of Microsoft SQL Server 2012. The following report addresses the type of SQL Server to implement, security for the new database, high availability, plans for backup & recovery, integration services, and other related details to ensure a smooth transition into the company’s new database. SQL Edition Selection and Installation SQL Server 2012 is available in three major editions which include Standard, Business Intelligence

  • A thought to bring the SQL Server Management Studio on Mobile

    636 Words  | 2 Pages

    We’re not talking about deploying a database for the mobile using SQL Server Compact rather we’re here by discussing any possibility to bring the SQL Management Studio to the handheld devices entirely or partially. The day when Apple’s iOS and Google’s Android transformed the existing world of handheld devices, everybody is talking about to bring the giant computer applications and facilities to the smartphones, tablets, PDAs, etc. Here, the thought to bring a mammoth sized Server with saber tooth

  • Relational Database Management System

    1093 Words  | 3 Pages

    Relational Database Management System Oracle provides a flexible RDBMS called Oracle7. Using its features, you can store and manage data with all the advantages of a relational structure plus PL/SQL, an engine that provides you with the ability to store and execute program units. The server offers the options of retrieving data based on optimization techniques. It includes security features that control how a database is accessed and used. Other features include consistency and protection of data

  • DB2 Case Study

    741 Words  | 2 Pages

    the structure query language (SQL), which is used for inputting, deleting, and adjus... ... middle of paper ... ...ystem. It is a full-featured database primarily designed to compete against competitors Oracle Database and MySQL. Some benefits to using SQL server are the seamless navigation which gives enough support for users to know how to work the system without asking an expert for assistance, it includes a query editor which is a tool used for executing T-SQL quires, which comes with the

  • Information Security in Mobile Databases

    2032 Words  | 5 Pages

    OF MOBILE DATABASES 1 SMALL MEMORY FOOTPRINT 2 FLASH-OPTIMIZED STORAGE SYSTEM 2 DATA SYNCHRONIZATION 2 SECURITY 2 LOW POWER CONSUMPTION 3 SELF MANAGEMENT 3 EMBEDDABLE IN APPLICATIONS 3 CURRENT MOBILE DATABASES 3 SYBASE SQL ANYWHERE 4 ORACLE LITE 4 MICROSOFT SQL SERVER 4 COMPACT SQLITE 4 IBM DB2 EVERYPLACE (DB2E) 5 MOBILE DATABASE ISSUES 5 CONNECTIVITY AND DISCONNECTIONS 5 STORAGE CAPACITY 5 SECURITY 6 CONCLUSION 6 REFERENCES 8 INTRODUCTION Number of mobile devices in use

  • Database Simulation

    1136 Words  | 3 Pages

    TRANSLATION: Database and DBMS The database is a collection of data stored systematically inside a computer that can be processed or manipulated using an application program to generate useful information. The database is an important aspect of the information system because it functions as a data warehouse where the stored data will be processed further. The database can organize data, avoid duplicate data, avoid unclear data relationships as well as complex updates. The process of retrieving

  • Disadvantages Of A Database System

    788 Words  | 2 Pages

    1. What is database? A prearranged collection of figures known as data is called database. 2. What is DBMS? It is a collection of programs that enables user to create and maintain a Database. 3. What is a Database system? The database and DBMS software together is called as Database system. 4. What is RDBMS ? RDBMS are database management systems that maintain data records and indices in tables. 5. What are the advantages of DBMS? Redundancy is controlled. Unauthorised access is restricted.

  • Database Analysis : Java Database Connectivity

    1365 Words  | 3 Pages

    Java applications that can interact with relational databases. There are many relational databases such as Oracle, My SQL, DB2, Java DB, Dbase, Sybase, Ingress, Informix, FoxPro and so on. The researcher will be able to use the four types of JDBC drivers to interact with any kind of database in the world. In this iteration, the researcher also learns Structured Query Language (SQL) which is the underlying language used long with JDBC API to get things done in backend (a term used to refer database)

  • Essay On Query Optimization

    1177 Words  | 3 Pages

    Query Optimization:- Query optimization is the method of practicing the most efficient means of extracting data quickly from the database through performance optimal SQL queries. We can obtain the same result by writing different SQL queries. But by using the best query is important when performance is critical. Main objective of query optimization is to retrieve the data quickly. Query optimization helps to bring down speed of execution and save time in extracting the data and is cost effective

  • Technology Changes Role Of Database Administrator

    1159 Words  | 3 Pages

    management. (Mullins 1995) Traditional database design and data access were complicated. The database administrator's job was to oversee any and all database-oriented tasks. This included database design and implementation, installation, upgrade, SQL analysis and advice for application developers.. The DBA was also responsible for back-up and recovery, which required many complex utility programs that run in a specified order. This was a time-consuming energy draining task. (Fosdick 1995) Databases

  • Difference Between Database Management System And Information Retrieval System

    1218 Words  | 3 Pages

    adding, deleting and modifying data. This means the user or other program easy to understand and know where the data is located on storage media and the space of data. Example of DBMS is Microsoft Access, MySQL, Microsoft SQL Server, Oracle and FileMaker Pro Access, MySQL, Microsoft SQL Server, Oracle and FileMaker Pro. The meaning of information retrieval is a process to collect a relevant resource from collection information resources. Search can be based on metadata. In Information retrieval, we study