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

997

describe mysql connection using mysql binary. : Sql dba

999

what is a materialized view? : Sql dba

1014

describe transaction-safe table types in mysql : sql dba

957

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

1011

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

982

what are string data types? : Sql dba

985

what is blob? : Sql dba

1068

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

923

what is a foreign key ? : Sql dba

1037

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

1030

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

1037

what is data integrity? : Sql dba

994

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

1599

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

1005

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Un-Answered Questions { SQL PLSQL }

How do I view tables in sql developer?

891

Define commit, rollback and savepoint?

979

Why do we use sqlite?

921

How does an execution block start and end in pl sql?

907

how to present a past time in hours, minutes and seconds? : Sql dba

953

what is a view? : Sql dba

1032

what is recursive stored procedure? : Sql dba

937

How do you declare a user-defined exception?

968

What is normalization? How many normalization forms are there?

1022

What does closing a cursor do?

1252

What is not null in sql?

992

what are the drivers in mysql? : Sql dba

991

What is denormalization in a database?

1000

what are rollup and cube in t-sql? : Transact sql

1053

What is the main reason behind using an index?

973

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