Which kind of parameters cannot have a default value in pl sql?
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What are different types of functions in sql?
What is sequence in sql?
What is normalisation and its types?
What is dense_rank in sql?
What is lookup table in sql?
What is the main difference between a UNION statement and a UNION ALL statement? 1. A UNION statement eliminates duplicate rows; a UNION ALL statement includes duplicate rows. 2. A UNION statement can be used to combine any number of queries; a UNION ALL statement can be used to combine a maximum of two queries. 3. A UNION statement can only combine queries that have parallel fields in the SELECT list; a UNION ALL statement can combine queries with differing SELECT list structures. 4. A UNION statement cannot be used with aggregate functions; a UNION ALL statement can be used with aggregate functions. 5. There is no difference between the two statements; they are interchangeable.
What is normalisation in sql?
How to count the no of records of a table without using COUNT function?
after tell procedure whole code he asked can i write the same way in a function
Main diff between varray and nested tablea
Why we use pl sql?
How many clustered indexes can you have?
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