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what do you mean by consistency in rdbms?
What is an ERD?
In which form of relational database developer refers to a record? In a tuple form of relational database developer refers to a record.
Creation of Indexes Automatically: When a primary key or Unique constraint is show in a table definition then a unique index is formed automatically. Manually: User can
Consider the relations City (city_name, state) Hotel (name, address) City_hotel (hotel_name, city_name, owner) Answer the following queries in relational algebra (i) Find
What is a primary index? A primary index is an index whose search key also explains the sequential order of the file.
Redo Logs: Any database must have minimum two redo logs. These are the rules for the database; the redo logs record all modifies to the system objects or user objects. If any type
What is the difference between serial and sequential files? How searching is applied on both? Ans: A serial file is one where the records have been stored in the order where
Given the subsequent relations: vehicle (reg_no, make, colour) Person (eno, name, address) Owner (eno, reg_no) Write expressions
For the relations R and S given below: R S A B C 1 4 7 2 5 8 3 6 9
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