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SQL PLSQL Interview Questions
Questions Answers Views Company eMail

what is the difference between group by and order by in sql? : Sql dba

157

what are the different functions in sorting an array? : Sql dba

199

what are date and time data types in mysql? : Sql dba

137

what is 'mysqlshow'? : Sql dba

140

what is the difference between mysql_fetch_array and mysql_fetch_object? : Sql dba

145

how to rename an existing column in a table? : Sql dba

143

explain primary keys and auto increment fields in mysql : sql dba

142

what is a constraint? Tell me about its various levels. : Sql dba

151

explain the advantages and disadvantages of stored procedure? : Sql dba

163

how to write date and time literals? : Sql dba

152

what are the types of subquery? : Sql dba

158

how do you login to mysql using unix shell? : Sql dba

170

how can we know the count/number of elements of an array? : Sql dba

161

how to include character strings in sql statements? : Sql dba

153

what is meant by urlencode and urldocode? : Sql dba

147


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Un-Answered Questions { SQL PLSQL }

What is the use of index in hive?

123


how many tables will create when we create table, what are they? : Sql dba

148


what is data manipulation language? : Sql dba

136


what is a scheduled jobs or what is a scheduled tasks? : Sql dba

156


Why we use stored procedure instead of query?

124






how many sql ddl commands are supported by 'mysql'? : Sql dba

145


What are the different datatypes available in PL/SQL?

176


How can the performance of a trigger be improved?

185


What is the need of a partition key?

121


Explain clause in sql?

158


What view means?

129


Explain the working of primary key?

151


what is not null constraint? : Sql dba

141


What is a .db file?

123


What are the popular database management systems in the it industry?

157