What are the limitations of check constraint?
What is flashback in Oracle?
Explain the use of indexes option in exp command.
hello friends Im doing my final year engineering in B.Tech.. one of uncle said he can provide job in his company if im good in database management. but i have only basic knowledge about database, so like to join database management course in good intuition. so friends kindly help me to get good intuition because its my future.
What are the predefined tablespaces in a database?
what is data abstraction
Can a formula column be obtained through a select statement ?
If I have a select statment which retrives 2 rows, & that rows have the same data in all the fields except the last field and I want to merge the 2 rows to be in 1 row with concatenating the last field which have the different data.... eg: the 1st row has these fields: A-B-C the second row has: A-B-X ........ i want to merge the two row to be in one row like ----> A- B- C,X
Difference between cartesian join and cross join?
25. Display the client number and the value of the highest value order placed by that client.
what is the difference between data migration and production migration.
Explain oracle 12c new features for developers?
Explain the difference between a procedure and a function?