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SQL, the dominant database language, is a simple and highly structured language; yet, students have many difficulties learning it. SQL-Tutor, an online Intelligent Teacher which helps students in overcoming these difficulties. SQL is a tool for organizing, managing, and retrieving data stored by a computer database. The acronym SQL is an abbreviation for Structured Query Language. The name Structured Query Language is actually somewhat of a misnomer. First of all, SQL is far more than a query tool, although that was its original purpose, and retrieving data is still one of its most important functions. SQL is used to control all of the functions that a DBMS provides for its users, including:
* Data definition. SQL lets a user define the structure and organization of the stored data and relationships among the stored data items.
* Data retrieval. SQL allows a user or an application program to retrieve stored data from the database and use it.
* Data manipulation. SQL allows a user or an application program to update the database by adding new data, removing old data, and modifying previously stored data.
* Access control. SQL can be used to restrict a user’s ability to retrieve, add, and modify data, protecting stored data against unauthorized access.
* Data sharing. SQL is used to coordinate data sharing by concurrent users, ensuring that they do not interfere with one another.
* Data integrity. SQL defines integrity constraints in the database, protecting it from corruption due to inconsistent updates or system failures.
At TutorsOnnet .com we offer a gamut of tutoring services under our database management system (DBMS) homework help service. Our DBMS Assignment Help Team comprises of well qualified professionals who have been working in the industry as Database Administrators, Database Procedural programming experts etc.We have tutors who can assist you with all the currently available databases and all its released versions in the market such as Oracle, SQL Server, MYSQL, and Microsoft Access etc.
We can assist you in the following areas of DBMS:
* SQL Homework Help
* Normalization of Queries
* Structured Query Language (SQL) Assignment Help
* ER Diagram Homework Help
* Flowchart Assignment Help
* DBMS Mini Project Help
Under our advanced RDBMS Assignment Help service, we can assist you in the following advanced RDBMS and Business Intelligence topics:
* PL/SQL Assignment Help
* Triggers Homework Help
* TSQL Homework Help
* Installations of Databases
* Performance Tuning Concepts
* Database Design Techniques
* Dealing with Views
SQL is thus a comprehensive language for controlling and interacting with a database management system. At TutorsOnNet.com we have provided SQL homework help to many students and helped them to understand complex problems by providing detailed solutions. Many of our tutors have advanced qualification and several years of SQL tutor experience. Please do email us your problems in which you need SQL homework Help.
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