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 can we overcome recursive triggers in SQL?

iFlex,

1 9413

how to create user in sql and how to set password for that?

3 10165

what eliminate duplicate without using roenum and not

Matrix,

5 10703

what are the differences among these table level lock modes - IN SHARE MODE, IN SHARE UPDATE MODE, IN EXCLUSIVE MODE ?

HCL,

3 11311

How One can easily select all even, odd, or Nth rows from a table using SQL queries?

4 20173

What is oracle ? why we should go for oracle database instead of diffrent databases available in the industry.

Polaris,

5 11669

What is a REF CURSOR? Compare strong and week ref cursor types.

6 28646

I have one Excel file with 1,50,000 Records. Now I need to load that whole file into Oracle Database with same columns in Excel sheet . I need PLSQL Procedure or used by SQL PLUS

Polaris,

7 17516

GLOBAL TEMPORARY TABLE over Views in advantages insolving mutating error?

Virtusa,

3041

write a qurey for finding the length of the sting.

Infosys, TCS,

6 14948

how to create a database in oracle?

3 7058

In a package if we have 10 procedures or functions,How to know which will execute first?

Sollet Soft,

1 7144

Create table emp (id number(9), name varchar2(20),salary number(9,2)); The table has 100 records after table created.Now i nee to change id's Datatype is to be Varchar2(15). now Alter table emp modify(id varchar2(15),name varchar2(20), salary number(9,2)); Whether it will work or returns error? post answer with explanation.

Oracle, TCS,

13 22417

How many database objects (trigger, packages, sequence etc) uses a particular field in a given table. For ex: I want to know how many database object uses the ATTRIBUTE1 in the PO_VENDORS table. What query will give me the result showing the database object name(package, trigger etc), field_name used (in this case ATTRIBUTE1) and table_name (in this case PO_VENDORS).

IBM,

2 8866

what is the use of anchoring object? what r the difference between anchoring object & enclosing object? can any one tell me all the details?

2478

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Un-Answered Questions { SQL PLSQL }

What is offset and limit in sql?

1051

What is data manipulation language?

1183

What are the types of dbms?

968

How to run pl sql program in mysql?

1013

What is a sql driver?

995

What are the different dml commands in sql?

1167

how to shutdown mysql server? : Sql dba

1094

how many groups of data types? : Sql dba

1020

How can I get the number of records affected by a stored procedure?

1057

What are properties of the transaction?

996

Why coalesce is used in sql?

1004

which types of join is used in sql widely? : Sql dba

978

Who is the owner of mysql database?

1055

Does sqlite need a server?

1042

Why do we need a foreign key?

1086

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