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What are the technique to define a schema completely ?
A schema is completely define by DDL and DML query language.
What is object identity? An object retains its identity even if some or all the values of variables or explanations of methods change overtime.
What is a data dictionary? A data dictionary is a data structure which keeps Meta data about the structure of the database i.e. the schema of the database.
While using extract datasets it is required to have a special workarea for interface False. It is not required to have a special workarea for interface
4. Describe three ways to handle missing field values
how to calculate frequency count of algorithm
Serialisability: Any schedule that makes the similar results as a serial schedule is known as a serialisable schedule. But how can a schedule are determined to be serialisable or n
note on hashing technique
Properties of a Transaction A transaction has four main properties. These are: Atomicity Consistency Isolation or Independence Durability or Permanen
What sorts of tables one can se in designing the hierarchy of a LDB? Tables, which are having Foreign Key relations.
Fifth Normal Form (5NF) These relations still have a difficulty. While defining the 4NF we mentioned that all the attributes depend upon each other. Whereas creating the two ta
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