SQL PLSQL Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

SQL PLSQL Interview Questions

Questions Answers Views Company eMail

What are database links used for?

1040

What are the uses of merge?

1160

How is a process of pl/sql compiled?

1148

Is it possible to create the following trigger: before or after update trigger for each row?

1280

Differentiate between syntax and runtime errors.

1178

What is an intersect?

1096

What is the difference between alter trigger and drop trigger statements?

1099

Is it possible to include an insert statement on the same table to which the trigger is assigned?

1010

How would you convert date into julian date format?

1000

How does rowid help in running a query faster?

1413

Can triggers stop a dml statement from executing on a table?

1079

Which column of the user triggers data dictionary view displays the database event that will fire the trigger?

1018

In what condition is it good to disable a trigger?

1003

When is a declare statement required?

1136

What are the uses of sysdate and user keywords?

1095

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Un-Answered Questions { SQL PLSQL }

Is crud a cuss word?

1028

What is cascade in sql?

958

How many sql core licenses do I need?

944

what is oracle database ? : Sql dba

1018

How can we link a sql database to an existing android app?

1021

What are the different dml commands in sql?

1166

How to install oracle sql developer?

1041

Can we join tables without foreign key?

955

Does view contain data?

1024

Explian rowid, rownum? What are the psoducolumns we have?

997

Is mariadb a nosql database?

1042

What is a left join?

948

What are the differences between in and exists clause?

1105

Is record in pl sql?

960

Which is better join or subquery?

1128

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