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SQL PLSQL Interview Questions
Questions Answers Views Company eMail

What is a natural join?

122

What is full join?

126

What is the difference between left join and left outer join?

108

What does inner join mean?

125

Which one is better subquery or joins?

126

What is thread join () in threading?

119

What is the difference between left outer join and left join?

115

What is a left join?

118

Which is better join or inner query?

122

Is left join and outer join same?

125

How do you use join?

121

What is difference between left and right outer join?

124

What is faster join or subquery?

113

What does an inner join do?

120

What is a left inner join?

114


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Un-Answered Questions { SQL PLSQL }

Can we create clustered index without primary key?

124


what is the difference between delete and truncate commands? : Sql dba

156


Why function is used in sql?

119


Can we use pl sql in sql server?

128


What is pl sql and why it is used for?

156






How many triggers can be applied on a table?

123


If i can use sys.check_constraints to display my constraints from my database using sql server 2005, how can i display then if i am using sql server 2000????

3154


Are null values same as that of zero or a blank space?

159


Can we rename a column in the output of sql query?

158


How many types of cursors are available in pl/sql?

137


How do I clear the screen in sql plus?

122


what are the advantages and disadvantages of views in a database? : Sql dba

149


What is sql and explain its components?

161


what are all the common sql function? : Sql dba

149


Can a table have no primary key?

122