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

SQL PLSQL Interview Questions

Questions Answers Views Company eMail

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

1072

What are the types of dbms?

973

Describe sql comments?

1038

What is a record in a database?

1062

How to display the current date in sql?

1076

How to get list of all tables from a database?

1160

Can a table contain multiple foreign key’s?

995

How to rename a table?

1017

What is sql not null constraint?

1035

What is the difference between nvl function, ifnull function, and isnull function?

1103

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

1012

What is the command used to fetch the first 5 characters of a string?

1207

What is the difference between local variables and global variables?

1125

What are all the different normalization?

1037

What is a field in a database?

1063

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Un-Answered Questions { SQL PLSQL }

What is normalization in a database?

1154

Does postgresql run on the cloud?

1144

What is the current version of postgresql?

1066

Which is better stored procedure or query?

957

What is cross join sql?

917

What is the usage of the distinct keyword?

1220

Does truncate require commit?

971

How many postgresql users are there, worldwide?

1061

how to select first 5 records from a table? : Sql dba

977

how to shutdown mysql server? : Sql dba

1100

How do you write a complex sql query?

1064

What are the types of join in sql?

1102

The select into statement is most often used to create backup copies of tables or for archiving records?

1064

How do I get sql certification?

971

Explain the difference between drop and truncate commands in sql?

1051

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