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Removing a Synonym: DROP SYNONYM D30;
Define single valued and multivalued attributes. Single valued attributes: attributes with a single value for a particular entity are known as single valued attributes. Mult
4. Describe three ways to handle missing field values
1. Which model is used to store data in tree structures Ans: Hierarchical model is used to store data in tree structures
What is the error handling Traditionally, bits have been sent over line lacking any error correcting scheme in physical layer. The presence of the CPU in each modem makes it po
Hashed File Organisation Hashing is the most common form of purely random access to a database or file. It is also used to access columns that do not have an index as an optimi
Rearrange the Execution Order for Efficiency Rearranging execution order for efficiency means executing such job that requires less execution time. By rearranging the object
Describe Application programming interface? Application Programming Interface - Commercial SQL implementations take one of the two primary techniques for involving SQL in a p
What is trigger Triggers are statements that are implemented automatically by the system as the side effect of a change to the database.
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