What are the advantages of operating a database in ARCHIVELOG mode over operating it in NO ARCHIVELOG mode ?
2 7409what is difference between 1.append to media 2.overright the existing media when we take back up in sql server2000
1995Post New Database Management Questions
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what are the different levels of database schema?
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What is the Structural difference between bitmap and b-tree index ?
1.If we have a Salary coloumn in Staff entity with this description the salary must be monetary and >=$35450.00, how we can write it in into schemain SQL? 2. If we have Weight and Marks in Assessment entity and the Weight has the description of this it must be Non-zero percentage. And also the Marks attribute stores the maximum possible raw mark for assessment (e.g., 30), while Weight stores of the weight of this assessment for the paper as a whole (e.g., 10%). If Marks is not specified, then Weight is used for both. How we can convert this into schema in SQL????
Differentiate table scan from index scan.
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