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SQL PLSQL Interview Questions
Questions Answers Views Company eMail

Which table is left in join?

131

What is the difference between inner join and outer join?

123

Is left join inner or outer?

128

Is join and inner join the same?

115

Does a join table need a primary key?

118

How do you write an inner join query?

115

What is the difference between a subquery and a join?

119

Can I join the same table twice?

119

Are left and right joins the same?

116

What is left join example?

119

What is difference between inner join and self join?

121

Is join an inner join?

119

What is the difference between left join and right join?

121

Which join condition can be specified using on clause?

119

What is the difference between joins?

123


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Un-Answered Questions { SQL PLSQL }

what are the drivers in mysql? : Sql dba

141


what are the non-standard sql commands supported by 'mysql'? : Sql dba

162


What is the sql query to display the current date?

167


How do I upgrade sql?

117


Is null operator in sql?

118






What are the commands used in sql?

119


What is the difference between union and union all command?

143


Which certification is best for sql?

125


What is the difference between clustered and non-clustered indexes?

180


Why is a primary key important?

133


Is nosql relational?

133


How to create your own reports in sql developer?

149


What is difference between hql and native sql?

126


how to get a list of columns in an existing table? : Sql dba

159


What are the benefits of triggers?

113