how will i became good database developer?

1 Answers  

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Is sql a programming?

0 Answers  

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What is the difference between CHAR and VARCHAR2? If VARCHAR2 serves the uses of CHAR why CHAR is still used and not been discarded yet?

9 Answers   Oracle,

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How many types of primary keys are there?

0 Answers  

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What company owns postgresql?

0 Answers  

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How do I view tables in sql developer?

0 Answers  

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I have a small PL/SQL Block assume in this way begin select * from emp where empno=100; exception when others then <Some Messages> when no_data_found then <Some Messages> when too_many_rows then <Some Messages> end; The question which he asked was whether this block will get executed normally or it will throw error ? If errored out then what is the reason for the error ? Could anybody please help me ? Regards Nakul Venkataraman

3 Answers   Satyam,

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Table name: T1, it has only one column. col1 ------ c b a b b b b d s a a t s Requirement: I need the following output from the above base table by using SQL query. col1 Cnt ----- ------- a 3 b 5 Others 5 Please help. Thanks Guru v.gurus@in.com

11 Answers  

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what are the tunnig tables you used for tuning a query and tell me some of coloumns in that tuning tables?

1 Answers   Metric Stream,

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Does pl sql work in mysql?

0 Answers  

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What is dba in sql? : SQL DBA

0 Answers  

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why we use nocopy?

2 Answers   Polaris,

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