what are different types of deletes?
20. Using a set operator, display the client number of all clients who have never placed an order.
How do I connect to oracle?
how to select alphabets in a one column , for this the table name is PA_TASKS and column name is TASK_NUMBER, In TASK_NUMBER the data like this 1.1.3NN,1.1.4NN,1.5.1NN,1.3.2NE,1.5NN,1NN,1.2NE,1CE , For this i need to disply output as only NN,but not other alphabets, if NN is thre means i should display , otherwise leave that blank or empty Its some urgent requirement ,thanks in advance
how to tune oracle sql queries pls tell me step by step. urgent pls
Why is oracle used?
Explain view?
If youre unsure in which script a sys or system-owned object is created, but you know its in a script from a specific directory, what UNIX command from that directory structure can you run to find your answer?
What is define in oracle?
1. How actually index will work ? 2. Why do people prefer mostly bitmap index and btree index in datawarehouse ? 3. If I use the column in aggrigate functions like max,min,count and avg and if I have a index created on that column, will it increases the performance ?
how to find the second highest salary in a given table????
ur a sql devoloper...what is the process in ur company for finding the database BUGS .. seperate DB testers are there? or devr.s are manage? if DB TESTERS in there what is the process
Difference between varchar and varchar2 data types?