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PostPosted: Sat Mar 12, 2016 7:35 am 

Joined: Fri Nov 13, 2015 3:56 am
Posts: 460
[1]Sql is a language used to query relational database systems.SQL full form is structured query language.
[2]Sql is like update,delete,find, etc.
[3]sql basically using multithreading concept where oracle using multiprocessor oracle using for high database handling like banking etc.
[4]Sql language is used in oracle as a writing language.
[5]In SQL server there is no transaction control.
[6]SQL Server is for performance and not read consistency.
Learn Sql Basics from this video

[1]Oracle is a specific relational database system. So if you are using Oracle, you will also be using SQL to get information out of it.
[2]Oracle is one type of DBMS software.Oracle understands only sql language.
[3]There are so many versions of oracle like 9G,10G,11G,But Sql has no version,it is a language,only new features are added to it.
[4]The only interface available between end users and an RDBMS is SQL.
[5]Oracle is an object relational database management system, which allows objects to be stored in tables, in a manner similar to numbers and words being stored in an RDBMS system.
[6]In Oracle everything is transaction and it is not permanent until you commit.
[7]Oracle where read consistency is default and un bendable.
Learn about Oracle from this video

[1]PL/SQL, Oracle's procedural extension of SQL, is an advanced fourth-generation programming language (4GL).
[2]It offers software-engineering features such as data encapsulation, overloading, collection types, exceptions, and information hiding.
[3]PL/SQL also supports rapid prototyping and development through tight integration with SQL and the Oracle database.
[4]PL/SQL is a proprietary procedural language used by Oracle
[5]PL/SQL is a combination of SQL along with the procedural features of programming languages. It was developed by Oracle Corporation

[1]MySQL is a also a Database tool itself that uses SQL is open source.
[2]MySQL is weaker in the areas of inserting and deleting data. But it is an excellent choice, for data storage and referencing data.
[3]MySQL is a relational database management system. You can submit SQL queries to the MySQL database to store, retrieve, modify or delete data.
[4]Basically, MySQL is one of many books holding everything, SQL is how you go about reading that book.

[1]SQLite is a library for embedding a relational database within an application and aimed primarily at single user environments.
[2]SQLite is a third party ,open-sourced and in-process database engine. SQL Server Compact is from Microsoft, and is a stripped-down version of SQL Server.
[3]SQLite is file-based, unlike other databases, like SQL Server and MySQL which are server-based.

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