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Find out the names of all employees who work for first Bank Corporation from database.
SELECT EMPLOYEE_NAMEFROM WORKSWHERE COMPANYNAME = ‘First Bank Corporation';
What is property - properties of a database ? It is an integrated collection of logically related records. It consolidates separate files into a common pool of data records and
basic structure of xml
Northwind Pty Ltd sells a variety of food products throughout the world. They want to use the reporting features of SAP's Business Information Warehouse to better understand their
Describe the storage structure of indexed sequential files and their access method. Ans: Index offers a lookup capability to rapidly reach the vicinity of the desired record.
My cut off date is very soon in a Database subject and i dont know how to solve anything in it
Question: (a) Prepare an ERD for the scenario given below. (b) Convert the ER diagram produced in (a) above into its physical design. You have to choose an appropriate Pri
Mappings between Levels and Data Independence The 3 levels of abstraction in the database do not exist separately of each other. There must be some correspondence, or mapping
What will be create when a primary key if combined with a foreign key? A primary key if combined with a foreign key it creates Parent-Child relationship between the tables that
Database systems have many opposite efforts ?
Types of Locks There are two necessary types of locks: Binary lock : This locking mechanism has two states for to a data item: locked or unlocked Multiple-mode loc
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