Can an Integrity Constraint be enforced on a table if some existing table data does not satisfy the constraint ?

2 Answers  

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What is the difference between RBBMS & DBMS?

4 Answers  

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How do I manually create a database in oracle?

0 Answers  

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What are the composite date types in oracle?

6 Answers   HCL,

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i have a table with the columns below as Emp_ID Address_ID Address_Line City Country -------- --------- ----------- ------ --------- Q: Display the Emp_ID's those having more than one Address_ID

7 Answers   IBM,

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What is an oracle tablespace?

0 Answers  

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consider some table with 4 r 5 columns in that 1 col is DATE type. The data is like that,For each date in that col some 3 fields r there but all the records r having different data. Now i want to display all the columns by performing grouping on the date field ( as SELECTION Operator(*) cannot be used with group function having only one "group by clause". how to do this? can any one help me in finding out the solution plss?

1 Answers  

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What is Trigger in Oracle?

0 Answers   MCN Solutions,

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What is the meaning of recursive hints in oracle?

0 Answers  

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How to define a data field as not null?

0 Answers  

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can anyone help me ? an index has been done on the primary key of a table. an update operation was performed on that table. now my question is 1> what abt the performance ? means faster or slower due to indexing ? 2> does the operation affect to the primary key constraint ?

2 Answers   Allfon,

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How to define a record variable to store a table row?

0 Answers  

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