What are the different operators available in sql?
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what is the difference between primary key and unique key? : Sql dba
hi this is nakka i have been looking for 1+ exp in oracle sql,plsql developer positions also have knoledge on d2k i am not getting proper walkins how to know it? where can i find it?
why does the selected column have to be in the group by clause or part of an aggregate function? : Sql dba
Define tables and fields in a database
What is null in pl/sql?
How can multiply values of a column? OR How can multiply value of a row of a column using a single query in SQL?
Which join is default?
Differentiate between syntax and runtime errors.
Is a foreign key always unique?
How many types of relationship are there?
Can ddl statements be used in pl/sql?
Is primary key an index?