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 is unique key constraint? : Sql dba

1035

describe mysql connection using mysql binary. : Sql dba

1066

what is a materialized view? : Sql dba

1061

describe transaction-safe table types in mysql : sql dba

1006

how to add a new column to an existing table in mysql? : Sql dba

1071

what is the difference between union and union all? : Sql dba

1020

what are string data types? : Sql dba

1039

what is blob? : Sql dba

1148

write an sql query to get third maximum salary of an employee from a table named employee_table. : Sql dba

970

what is a foreign key ? : Sql dba

1081

explain the difference between delete , truncate and drop commands? : Sql dba

1093

what is a relationship and what are they? : Sql dba

1101

what is data integrity? : Sql dba

1036

what is the command used to fetch first 5 characters of the string? : Sql dba

1638

how to drop an existing view in mysql? : Sql dba

1060

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Un-Answered Questions { SQL PLSQL }

What is dynamic query?

974

What is the primary key?

952

what is a trigger in mysql? Define different types of trigger. : Sql dba

1069

How does a self join work?

1121

What is an index? What are the types of indexes? How many clustered indexes can be created on a table?

1073

What are field types?

1004

Explain what is sql*plus?

1140

Is sql procedural language?

967

What is on delete set null?

1087

How to rename a column in the output of sql query?

1072

what is user defined functions? : Sql dba

1031

Define SQL and state the differences between SQL and other conventional programming Languages?

1210

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

999

What are the different types of joins in sql?

1786

What is the purpose of a sql?

977

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