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  It's time to change old windows OS version to new one. Microsoft is going to launch Windows 10 OS product on 29th July. Windows 7 and windows 8.1 user can update Windows 10 for free. New Windows Insider Program       Windows 10 Beta edition is already released world wide. And you can upgrade via normal Windows updates or download the Windows 10 ISO file . For download ISO, you have to sign in to windows insider program official website. Windows 10 Free Update available     Windows 10 free upgrade available for Windows 7 and 8.1 users. This is valid for the first year, within one year you have to upgrade your windows product. Thereafter, you have to buy a new license. You can see Windows 10 upgrade notification on the right end of the task bar on 29th July 2015 onward. Windows 10 Home edition price will be $119.99 and Windows 10 Pro Edition price will be $199.99.       Windows 10 free upgrade is also available ...

  It's time to change old windows OS version to new one. Microsoft is going to launch Windows 10 OS product on 29th July. Windows 7 and windows 8.1 user can update Windows 10 for free.

RDMS or Relational Database Management System is most and important topic for both developer and Administrator. This is the foundation for all newbie’s. Let's look out one by one... 1# what is RDBMS? RDMS is a Database Management System (DBMS) that is based on relation model. RDMS concept invented by E.F.Codd of IBM. And much popular database management software like SQL, Oracle and DB2 are running under this concept. 2# what is Database? Already I mentioned that RDMS is managing the database. Database is the organized collection of data. And it also collection of schema, tables, Query and Views. 3# what is table? Table is set of data using row and column. A table contains minimum one row and column. In RDMS table is used for linking the one table to another table. 4# what is primary key? Primary key is unique indentify field in a Database table. A table contains only one primary key. The main propose of primary key is to avoid duplicate records in a database table and avoid the NU...

RDMS or Relational Database Management System is most and important topic for both developer and Administrator. This is the foundation for all newbie’s. Let's look out one by one...