What are the differences between date and timestamp in oracle?
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In Oracle Clinical 4.5.0, can the VIEW_TEMPLATE_ID column in DATA_EXTRACT_VIEWS table contain NULL value?
what's query optimization and without use of IN AND Exist can we get another way data from query
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
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