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

SQL PLSQL Interview Questions

Questions Answers Views Company eMail

which command using query analyzer will give you the version of sql server and operating system? : Sql dba

1057

what are date and time intervals? : Sql dba

1057

what is the difference between a local and a global temporary table? : Sql dba

1073

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

1044

what is a cursor? : Sql dba

1021

what is the difference between char_length and length? : Sql dba

1044

what are enums used for in mysql? : Sql dba

1170

what is the difference between rownum pseudo column and row_number() function? : Sql dba

1079

what is the difference between a web-garden and a web-farm? : Sql dba

1081

what is a composite primary key ? : Sql dba

1050

what is the difference between blob and text? : Sql dba

1018

how to get @@error and @@rowcount at the same time? : Sql dba

1026

what is not null constraint? : Sql dba

1029

how to delete an existing column in a table? : Sql dba

1005

can a stored procedure call itself or recursive stored procedure? How much level sp nesting is possible? : Sql dba

993

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Un-Answered Questions { SQL PLSQL }

What is the difference between clustered and non-clustered indexes?

1089

What are sql commands?

1010

Explain cursor types?

1022

What is anonymous block in sql?

1120

What is the difference between count 1 and count (*) in a sql query?

992

How is data stored on a disk?

1032

Does pdo prevent sql injection?

931

Is big data nosql?

944

What are packages in pl sql and also explain its advantages?

1038

What are three advantages to using sql?

1019

Is it possible to sort a column using a column alias?

1047

What is a sql select statement?

1039

what are the advantages and disadvantages of views in a database? : Sql dba

1043

What are basic techniques of indexing?

1384

What is cost in sql execution plan?

982

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