What are the different types of modules in oracle forms?
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What is a Data File ?
What do the 9i dbms_standard.sql_txt() and dbms_standard.sql_text() procedures do?
What is an Integrity Constrains ?
What is a sub query? Describe its types?
How you open and close a cursor variable.Why it is required?
How are the index updates?
What is a heap related to database ?
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What is cluster Key ?
What is the effect of setting the value of OPTIMIZER_MODE to 'RULE' ?
7. Repeat query (7) but also display all clients who have never ordered anything.
9)When information has to be stored w.r.t employees and their respective departments, which of the following is the Correct formulation of entries? A)Employee and department would together be represented as an entity. B)This is too less information to decide on entities. C)An employee would be one entity and a department would be another. D)Such a scenario cannot be modelled in RDBMS
What is the sql query to concatenate column values from multiple rows in oracle?