Differences between UNIQUE and DISTINCT in select statements

26 Answers   ABS, DELL, Deloitte, Hewitt, Oracle, Verinon Technology Solutions, Wipro,

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What does count (*) do in sql?

0 Answers  

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How many columns should be in an index?

0 Answers  

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what is myisam? : Sql dba

0 Answers  

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what will be the output: select 1 from emp union all select 2 from emp;

2 Answers   iNautix,

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Do triggers have restrictions on the usage of large datatypes, such as long and long raw?

0 Answers  

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How to retrieve Duplicate Rows only in a Table? Suppose if a Table Name is "Education". It consists of multiple columns. Then if we insert rows into this table with duplicate records then how can we retrieve only duplicate records from that table?

28 Answers   Alps, Aricent, Bank Of America, Wipro,

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What are the key differences between SQL and PL SQL?

0 Answers  

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What is union?

0 Answers  

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What is the basic structure of PL/SQL ?

6 Answers  

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What is the order of sql select?

0 Answers  

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What is the most restrictive isolation level? : Transact sql

0 Answers  

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