What are the differences between number and binary_float in oracle?
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What is the recommended interval at which to run statspack snapshots, and why?
after installatio of ORACLE 8i, work properly, but after restarting the system, it throw an error ORA 01034: ORACLE not availble
I just want to maintain data like an employee can belongs to 3 or more departments . We can resolve this by using composite key but it avoids normalization rules. So Can anyone tell me how can I maintain data.
We need to compare two successive records of a table based on a field. For example, if the table is CUSTOMER, and the filed is Account_ID, To compare Account_IDs of record1 and record2 of CUSTOMER table, what can be the query ?
What is a tns file?
Explain integrity constraint?
What are the differences between char and nchar in oracle?
Find all employees in Dept “Marketing”.
What is system global area (sga) in oracle?
Can Multiple instances be run on Single Machine???
State the difference between a primary key and foreign key?
t1 col1 col2 nishi 5000 lucky 6700 akash 7000 i want that a query that when i insert 7000 it will show me data already present and data will not insert. if data is not present it will insert.