Can we create foreign key without primary key?

0 Answers  

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I have one Excel file with 1,50,000 Records. Now I need to load that whole file into Oracle Database with same columns in Excel sheet . I need PLSQL Procedure or used by SQL PLUS

7 Answers   Polaris,

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Q1.all the depts which has more then 10 empls? Q2.all the dept which does not have any emply? Q3 all the emp which does not have any dept? Q4 get all the emply detais with the dept details it dept is exit otherwise any emp details? Q5 how to debugg the dynamic sql and packages?

4 Answers   KPIT,

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What is difference between primary and secondary key?

0 Answers  

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what is difference b/w pravite procedures and public procedures?

3 Answers   Steria, Wipro, Zensar,

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How to fetch the rows by dynamicaly passing table name through cursor?

3 Answers  

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How much does sql cost?

0 Answers  

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Differences between UNIQUE and DISTINCT in select statements

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

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What is oracle pl sql developer?

0 Answers  

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how to get a list of columns in an existing table? : Sql dba

0 Answers  

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what are the types of subquery? : Sql dba

0 Answers  

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How you will create Toad Function?

1 Answers  

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