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What is trigger?
Triggers are statements that are executed automatically by the system as the side effect of a modification to the database.
Explain Deadlock detection and recovery Deadlock Detection - A deadlock is said to take place when there is a circular chain of transaction, every waiting for the release of a
OPENCART - Want Massive amount of products Imported through CSV We have a massive list of products that would take completely too long to do data entry. We require a slick progr
Three way to handle missing field val
What are composite objects? Objects that have other objects are known as complex objects or composite objects.
Describe the storage structure of indexed sequential files and their access method. Ans: Storage structure of Indexed Sequential files and their access: To achieve fast rand
Example : Create a sequence named SEQSS that starts at 105, has a step of 1 and can take maximum value as 2000. CREATE SEQUENCE SEQSS START WITH 105 INCREMENT BY 1 MAX VA
Task Partitioning, Sequencing and Project Planning The tasks required for the service might be broadly partitioned into: 0. Set up database tables and account file
What is Functional Dependency? A Functional dependency is shown by X Y among two sets of attributes X and Y that are subsets of R specifies a constraint on the possible tuple
What sorts of tables one can se in designing the hierarchy of a LDB? Tables, which are having Foreign Key relations.
Answer SQL Queries to extract data from data tables and questions on mapping conceptual data models into relational data model.
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