Explain the term entity set in dbms?

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How many rows can a database hold?

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IF Statements BLOCK 1 . IF a >= b THEN do_this …..; ELSE do_that….; END IF BLOCK 2 . IF a < b THEN do_that …..; ELSE do_this….; END IF; • Given any pair of non-NULL values for “a” and”b”, will Block 1 and Block 2 do the same thing? • What if either “a” or”b” (or both) is NULL?

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Let?s say you have 100,000 records and you want to delete 95,000 at a time and keep only 5 thousand. But in local memory you don?t have enough space for 95,000 records. What do you do in this case? How do you delete without any problem with time and performance?

3 Answers   eBay,

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What is in a database?

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What do you mean by durability in dbms?

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What is cold backup (in case of oracle)?

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Mention the different languages present in dbms

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What is rdbms data?

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Why are forms important in databases?

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What are the advantages of operating a database in ARCHIVELOG mode over operating it in NO ARCHIVELOG mode ?

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What is difference between a DIALOG WINDOW and a DOCUMENT WINDOW ?

2 Answers   HCL,

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