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 nested triggers ?

Amazon, Appeal Soft, IBM, Infosys, TCS,

6 33777

What is normalization ?

BirlaSoft, CTS, HCL,

9 22439

What is an index and types of indexes. How many number of indexes can be used per table ?

Accenture, BirlaSoft, Cognizant, CTS, Symphony,

12 83874

What is a constraint. Types of constraints ?

Accenture, BirlaSoft,

5 26089

What are code pages ?

BirlaSoft,

1 3135

What is referential integrity ?

BirlaSoft,

3 8498

What is a trigger ?

Accenture, BirlaSoft,

11 21849

What are different types of joins ?

BirlaSoft,

5 9473

What is a self join ?

BirlaSoft,

6 13170

Authentication mechanisms in Sql Server ?

BirlaSoft,

1 7187

What are user defined stored procedures ?

BirlaSoft,

3 13412

Can we use more than one null value for unique key?

A1 Technology, Wipro,

31 65401

how do u call in & out parameters for stored procedures?

A1 Technology, TCS, Techicon,

10 19317

When we can declare a column as Unique and Not Null both at the same time. What is the use pf Primary Key then?

Accenture, Unisoft Infotech,

2 17800

Give which cursor is better for better performance means type of cursors?

2 7703

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Un-Answered Questions { SQL PLSQL }

what is self-join? : Sql dba

1162

what is union, minus and interact commands? : Sql dba

1185

What is a .db file?

986

What are the types of queries in sql?

1086

What is rownum?

980

How do I save a stored procedure?

1008

Explain aggregate functions are available there in sql?

1007

Which certification is best for sql?

986

How do you concatenate in sql?

1027

what is query cache in mysql? : Sql dba

1036

How to fetch alternate records from a table?

1244

What is clause in sql?

1108

How to raise user-defined exception with custom sqlerrm ?

1129

What is the purpose of a sql?

977

What is the difference between function and procedure in pl/sql?

1084

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