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?

1093

What are the uses of merge?

1225

How is a process of pl/sql compiled?

1234

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

1347

Differentiate between syntax and runtime errors.

1230

What is an intersect?

1151

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

1156

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

1058

How would you convert date into julian date format?

1037

How does rowid help in running a query faster?

1472

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

1155

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

1066

In what condition is it good to disable a trigger?

1067

When is a declare statement required?

1191

What are the uses of sysdate and user keywords?

1145

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Un-Answered Questions { SQL PLSQL }

Explain character-manipulation functions?

1171

What is a mutating table and a constraining table?

1175

Is merge a dml statement?

1025

What is flag in sql?

1095

How to call a javascript function from pl sql?

1182

How do I install sql?

1041

how mysql optimizes distinct? : Sql dba

1118

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

1038

What is online transaction processing (oltp)?

1057

Why do we use sql constraints? Which constraints we can use while creating database in sql?

1080

ERROR:Insert or update on table"accnt" violates foreign key constraints "acct_to_curr_symbol" DETAILS:KEY(accnt_curr_id)(-2)is not present in the table "curr_symbol" ......solve The Problem..

2549

What are the two types of periodical indexes?

985

What are different sql data types?

1122

What is the difference between local variables and global variables?

1170

What is coalesce in sql?

1127

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