Skip to main content

What is RDBMS?

In our crucial programming world, RDBMS is stand for Relational Database Management Systems is based on the Relational Model that maintain data records and index in tables. Generally, the term "Relations" are maintained in RDMS.
 In a relational database,store the data into collection of tables, which might be related by common fields (database table columns). RDBMS also provide relational operators to manipulate the data stored into the database tables. Most RDBMS use SQL as database query language.

There are several objects are included in RDBMS like ,Indexes,Synonyms,Tables,Views Clusters,Constraints,Database links,Database triggers.
Most popular RDBMS  are Oracle, MS-SqlServer, MySql,DB2. etc.

Comments

Popular posts from this blog

What are the difference between DDL, DML , DCL and TCL commands?

Database Command Types DDL Data Definition Language  (DDL) statements are used to define the database structure or schema.  -           CREATE - to create objects in the database -           ALTER - alters the structure of the database -           DROP - delete objects from the database -           TRUNCATE - remove all records from a table, including all spaces allocated for the records are removed -           COMMENT - add comments to the data dictionary -           RENAME - rename an object DML Data Manipulation Language  (DML) statements are used for managing data in database. DML commands are not auto-committed. It means changes made by DML command are not permanent to d...

Ubuntu/Unix Console Command -Cheat Sheet

M ost popular Linux/Unix command those are required to know during working on Linux/Unix environment. Primarily, when I started the work on ubuntu, I faced a common problem that was not familiar to know about the basic ubuntu command. After that, I aggregate basic commands and work very well. Besides that, most of the time forgot the command and this helps me to cut-down googling time. Privileges SL Command Use / Description 1 sudo command Run command as root 2 sudo -s Open a root shell 3 sudo -s -u user Open a shell as user 4 sudo -k Forget sudo passwords 5 gksudo command Visual sudo dialog (GNOME) 6 kdesudo command visual sudo dialog (KDE) 7 sudo visudo edit /etc/sudoers 8 gksudo nautilus root file man...

SQL Server blocked access to procedure ‘sys.sp_OACreate’ of component ‘Ole Automation Procedures’

I am working on banking project. For migration purpose, I will call web service in store procedure and based on this response I will  process another task. Create a Procedure named WebserviceCall CREATE procedure WebserviceCall @ UsrID as varchar ( 50 ) , @ Password AS Varchar ( 50 ) , @ AccountNo AS Varchar ( 50 ) AS BEGIN DECLARE @ obj INT DECLARE @ ValorDeRegreso INT DECLARE @ sUrl VARCHAR ( 200 ) DECLARE @ response VARCHAR ( 8000 ) = 'Failed' DECLARE @ hr INT DECLARE @ src VARCHAR ( 255 ) DECLARE @ desc VARCHAR ( 255 ) BEGIN TRY SET @ sUrl = 'http://x.x.x.x/mtcwebservicetest/Service.asmx/GetSession?UserID=' +@ UsrID + '&Password=' +@ Password + '' ; EXEC sp_OACreate 'MSXML2.ServerXMLHttp' , @ obj out EXEC sp_OAMethod @ obj, 'open' , NULL , 'GET' , @ sUrl, false EXEC sp_OAMethod @ obj, 'send' --EXEC sp_OAGetProperty @obj,'responseText',@response out ...