What is tns entry?
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What is forall Statement ?
What is oracle data type?
How are the index updates?
How to set a transaction to be read only in oracle?
Explain can a view based on another view?
What is sequence?
State the difference between a primary key and foreign key?
what is port in oracle? how is it related to database application.
What are privileges and grants?
T1: T2 A X--- this is updated record B B like this T1 table having no.of records updated. write a query"retrive updated record from T2"
Tab A A B ------ 1 A 2 B 3 C Tab B A B ----- 4 D 5 E 6 F Generate the value into B table from A table. Only table A has the value. Write the SQL query to get B table value.
3. Adapt your query in (2) above so that only post codes with more than twenty orders are displayed.