Answer : error message: cannot convert null to int…
Persistent Systems interview questions and answers
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Answer : Create an ADODB connection object which is required step for connecting to database as below….
Answer : Top displays the top processes on the system and periodically…
Answer : Darwin Information Typing Architecture (DITA) is the most ideal approach…
Answer : Indexing is the One of the ways that will optimize the database searching…
Answer : Normalization is the process of reorganizing data in a database…
Answer : Hierarchical data is a common relational data pattern for representing tree-like data structures…
Answer : Lazy write is an effect caused by the use of a write-back cache…
Answer : The union operator combines the results of two or more queries into a single result set…
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