What does count (*) do in sql?

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Explain what is an index?

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what is the difference between union and union all? : Sql dba

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what are all the common sql function? : Sql dba

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how to saw triggers output in pl/sql database?

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I have the table like this S.No Name ID 01 Xyz 123 I want the result as 01Xyz123 How to write the query to retrieve the entire row data in a single column?

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have table with two columns with datatypes as number and varchar and the values in A column like 1,2,3 AND B column values like a,b,c. now need to display data in a single column as 1,a,2,b,3,c.

8 Answers   IBM, Zensar,

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what is meant by urlencode and urldocode? : Sql dba

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Can we use ddl commands in pl sql?

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What is sql and how does it work?

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What are types of exception?

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what is column? : Sql dba

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