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

SQL PLSQL Interview Questions

Questions Answers Views Company eMail

Define commit?

1002

Define union, minus, union all, intersect ?

1005

How can we avoid duplicating records in a query?

982

How many types of relationship are there?

1031

State some properties of relational databases?

1056

Define a temp table?

1016

What are transaction and its controls?

1040

What are actual parameters and formal parameters?

1103

What are expressions?

1015

Explain unique key in sql.

1012

How to use distinct and count in sql query? Explain

1022

What is the difference between having and a where in sql?

1108

Explain the components of sql?

1061

Explain normalization and what are the advantages of it?

953

Explain clause in sql?

1029

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Un-Answered Questions { SQL PLSQL }

What is mutating error in pl sql?

1016

What does over partition by mean in sql?

978

How to write a single statement that concatenates the words ?hello? And ?world? And assign it in a variable named greeting?

1096

What is recursive stored procedure?

1099

What is pl sql block structure?

1034

Why stored procedure is better than query?

946

Is full outer join same as cross join?

969

Mention what pl/sql package consists of?

998

What is before and after trigger?

959

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

1109

does sql support programming? : Sql dba

1046

Is nosql relational?

943

What is left inner join in sql?

1044

What is sql exception?

974

How to add a column ‘salary’ to a table employee_details?

1012

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