what is the difference between group by and order by in sql? : Sql dba

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what are the advantages and disadvantages of views in a database? : Sql dba

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What is an Exception ? What are types of Exception ?

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What is sqlerrd?

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What is the purpose of a sql?

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how can we write a column values horizontal by using sql stmt; ex: select name from table_name;(actual output) a b c d require output is a b c d

5 Answers   Honeywell, Interact,

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How do I clear the screen in sql plus?

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If a cursor is open, how can we find in a pl/sql block?

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Why is sql better than hql?

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How to write a procedure for displying the data in a TREE or (PARENT and CHILD ) relationship , for ex: A is the main project id, for this project B,C,D are sub tasks(sub project id's) for B the sub tasks are e,f,g and for c is h ,i ,j and for d is k,l,m now i need to display the o/p in a TREE fashion pls help me , thanks in advance surendra

2 Answers   Zensar,

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what are the differences among rownum, rank and dense_rank? : Sql dba

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Can we rename a column in the output of sql query?

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