INTERVIEW QUESTIONS questions

Wildcard interview questions

  • 1. Explain your project.
  • 2.Tell about your roles and responsiblities.
  • 3.What type of tickets you handle and SLA durations.
  • 4.Recently handled incidents.
  • 5.Difference between function and procedure.
  • 6.Difference between view and materialized view.
  • 7. Joins and types.
  • 8.Explain difference between outer and inner join.
  • 9.Can we join two tables without mentioning the word join?
  • 10.How can we find total number of rows in a table?
  • 11.How to find 2nd max value without using subquery?
  • 12.Difference between row_num and row_id?
  • 13.Difference between rank and dense_rank?
  • 14.why we use having clause when using aggregate functions?
  • 15.How will you fix performance issue of a query.what all analysis will you do?
  • 16.when will you SQL loader in your project and how?
  • 17.List out the Unix commands you know?
  • 18.Explain about Is, grep and awk.
  • 19.How to rename a file.
  • HCL questions

    Round 1:

  • 1.Introduce about yourself?
  • 2.How query will get executed?
  • 3.Select first name from employees where rownum<5. what will be the output?
  • 4.Explain analytical function?
  • 5.Write query to get top 3rd salary?
  • 6.What is bulk collect?
  • 7.Write a procedure for bulkcollect using associative array without exception and explain what will happen?
  • 8.What is append hint?
  • 9.Explain the procedure in DBMS-profiler?What are the procedures found inside dbms-profiler? list out?
  • 10.Write a trigger which should not fire on friday between 6pm to 7pm?
  • 11.Different between Rownum and rowid
  • 12.Difference between cursor and refcursor?
  • 13.Difference between see and grep?
  • 14.Difference between touch and cat?
  • 15.What is mean by no hub?
  • 16.List aggregate function?
  • Round 2:
  • 19. If I give input as 15july 2017, I need output as the last date of previous month eg: 30 June 2017? Try using trunc
  • 20.DBMS-profiler?
  • 21. List Unix commands?
  • 22. Example for ask command?
  • TCS

    Round 1:

  • 1.Tell me brief about yourself.
  • 2.SLA & Dock Book explain
  • 3. Table having a primary key column the same column we possible to add other constraints.
  • 4.Differnce between decode & case.
  • 5.Write down the index syntax. What is softpass?
  • 6.How to create metrilized view refresh automatically?
  • 7.Bulk bind sample program
  • 8.Array table explained with syntax.
  • 9.pipeline function purpose.
  • 10.Write explain plan syntax.
  • 11.What is DBMS utility?
  • 12.Last development your current project?
  • Round 2:

  • 1.What is the roles and responsibilities?
  • 2.Tell me day to day activities?
  • 3.In which environment you will debug the defect code?
  • 4.What is view?Adavantage of using it?
  • 5.Create view as v_name as select max(salary) from emp; can you edit this view? i.e; the output can you update.
  • 6.From where will you get the defect code? what do you meant by instead of keyword in trigger?
  • 7.Tell about the trigger applications you used on project?
  • 8.what is cursor?Types of cursor? Difference between types.
  • 9.Tell about explicit cursor attributes.
  • 10.How will you check cursor is open?
  • 11.Cursor defined
    begin
    update statement
    End
    How will you get the updated rows number?
  • 12.Tell about packages? Advantages of package?
  • 13.package spec
    p1
    p2
    p4
    package body
    p1
    p2
    p3
    will p3 & p4 work?
    will this package be created?
    what is p3?
    will it be accessed from outside the package?
  • 14.What is Exception? Tell me about system defined exception?
  • 15.Declare var_frs emp.first_name% type
    Begin
    Select first_name into var_frs from emp where 1=2;
    Exception
    when others
    print(1);
    when no_data then
    print(2);
    when
    print(3);
    END;
    Q:which exception will be handles?
    If we replace the select statement with update which exception handled?
  • 16.How will get the error message you declared?
  • 17.Raise application error?
  • 18.what is complex queries?
  • 19.Tell me about materialized view.
  • 20.Where GTT used in your project?
  • 21.What is complex views?
  • 22.Different between complex views & materialized views?
  • 23.Subquery and its type?
  • 24.Correalated sq Working.
  • 25.Analytical function..Difference between rank and dense rank.
  • 26.Stored procedure to print a year leap or not.
    I^p date
    Op statement.
  • 27.what is instr function? give example.
  • 28.Tell difference between replace & translate
  • 29.Write a query to find 2nd max salary? what type of SQ it is?
  • 30.Tell about bind SQL.
  • 31.write a query to remove the dup values.
  • 32.What is index?
  • 33.why it is used?
  • 34.Disadvantages of index.
  • 35.How btree index will search?
  • 36.Say for ex
    For column having data from 1 to 100. Btree index created.
    Deleted index created.
    How about the data in column.whether it will rearrange? What happen to node value?
  • 37.Tell about explain plan what are all you look into it?
  • 38.What is sequence?
  • 39.can we decrement the value in sequence?
  • 40.Cycle keyword in sequence.
  • 41.What about a cache?
  • 42.How seq is sharable object?
  • 43.What is invokers right?
  • 44.Team size?
  • Beyontec questions

  • 1.Current project & Roles & Responsibilities.
  • 2.Recently handled issues with coding?
  • 3.Difference between view & materialized view.
  • 4.Trigger & Types?
  • 5.Truncate and delete?
  • 6.Decode and case?
  • 7.Global variable & local variable declarations?
  • 8.GOODMORNING-want to take position of 'O' in 3rd occurrence?
  • 9. Queries to delete duplicate records? Student wise rank & subject wise rank from students table, which contains 3 columns like students, subjects, marks?
  • 10. A table contains metreid, unit from, unit to, rate, amount, final to get electricity reports. here write procedure to insert values & amount, final should calculate dynamically with some discounts?
  • 11. Bulk insert program?
  • 12.Technique to improve performance, & indexes?
  • 13.How will you identify tables using by column name?
  • 14.How do you find what are tables are using by the current package?
  • 15.Date functions?
  • 16.Reasons for job change 7 last working day?
  • 17. CCTC, ECTC.
  • 18.Do you have any offer?
  • Polarize questions

    1st Round:

  • 1.Tell about yourself.
  • 2.what are concept you have using performance tuning?
  • 3.Write explain plan Syntax.
  • 4.Types of join and index in performance tuning?
  • 5.Different between table space & schema space?
  • 6.Types of hints.
  • 7.Different between view & meterilized view?
  • 8.Select Trunc(sysdate) from dual?
  • 9.Table have primary key which index created.
  • 10.In table having default index?
  • 11.How you can define low cardinality and high cardinality?
  • 12.Table having 300 columns how you can find out the cardinality?
  • 2nd Round:

  • 1.Tell me your day to day activity?
  • 2.Write down your project table name & so & package name your developed?
  • 3.what is pragmaint?
  • 4.Write down sp in giving scenario?
  • 5.Write down cursor with bulk bind in given scenario?
  • 6.For each row purpose in trigger?
  • WIRECARD 9/9/17 production support

  • 1.Tell about yourself.
  • 2.Roles and Responsibilities in your project.
  • 3.What is procedure and where did you use it in your project?
  • 4.Exception.
  • 5.Cursor vs refcursor.
  • 6.can we open many ref cursor based on condition if yes write a program. if no reason.
  • 7.Stored procedure vs functions.
  • 8.Packages, scenarios based questions.
  • 9.Triggers and scenario based questions.
  • 10.db_link
  • 11.need to insert 10 lakhs record using bulk collecct. I got an error in say 96000 th line how to solve it.
  • 12.What method you have used in your project SDLC or Agile. Draw a flow diagram for it.
  • 13.SDLC vs AGILE.
  • 14.Unix commands.
  • 15.find
  • 16.Is-Itra what does t, r, a denotes?
  • IBM Interview questions

    1st round:

  • 1.Tell about yourself.
  • 2.What is index?
  • 3.What is view?
  • 4.Which index is faster?
  • 5.Difference between primary and unique key?
  • 6.what is procedures?
  • 7.What is trigger?
  • 8.Query for triggers?
  • 2nd round:

  • 1.Tell about your project.
  • 2.What is constraints?
  • 3.Query for foreign key
  • 4.Query for foreign key for already existing table.
  • 5.what is view?
  • 6.Dml operation can done in view
  • 7.View will occupies more space
  • 8.What is mv and where it will save.
  • 9.view and mv which scenario you will use.
  • 10.What is index and where it will save?
  • 11.We can update the index.
  • CTS Interview questions

  • 1.Difference between logical and physical module.
  • 2.what is view?
  • 3.What are types of views?
  • 4.What is mv?
  • 5.What is normalisation?
  • 6.Normalisation types.
  • 7.what is constraints?
  • 8.Types of constraints?
  • 9.What is skip index?
  • 10.What is explain plan?
  • Accenture

  • 1.Mutating table error
  • 2.Compound trigger
  • 3.How many function we can use in compound trigger
  • 4.Function based index
  • 5.External table
  • 6.SQL loader and syntax
  • 7.Pragma autonomous_transaction
  • 8.Table partitioning and 4 types
  • 9.How can we select particular partition
  • 10.Materialized view
  • 11.Refresh types
  • 12.Diff b/w fast and complete refresh
  • 13.Force view
  • 14.Explain plan
  • Wildcard questions

    1st round:

  • 1.Tell about yourself
  • 2.What is IR
  • 3.Difference between IR and CR
  • 4.View types
  • 5.What are the INDEX?
  • 6.Why you used index?
  • 7.What is cursor?
  • 8.Need for cursor?
  • 9.What is exceptions?
  • 10.coalesce
  • 11.what us the difference between table level and low level triggers ?
  • 12.What is functions?write it
  • 13.set operators and its types
  • 14.Why you used bulk collect?
  • 15.What are the roles and responsibilities in your project ?
  • 16.Recent IR's
  • 17.SLA time in your project?
  • 2nd Round:

  • 1.Tell about project
  • 2.Tell your work flow
  • 3.Who generates reports
  • 4.Tell about family.
  • 5.Notice period official.How much?
  • 6.Why looking job change.
  • Aspire system questions

    Round 1:

  • 1.Tell about yourself.
  • 2.What is views?
  • 3.What is materialized view?
  • 4.Where you use Materialized view in real time?
  • 5.What is Analytical function?
  • 6.What is different between rank and dense rank?
  • 7.Types of index?
  • 8.Constraints in oracle?
  • 9.What are the data types?
  • 10.What is the different between char and varchar?
  • 11.What is decode and case?
  • 12.What is plsql collection?
  • 13.What is exception?
  • 14.What is cursor?
  • 15.What is packages?
  • 16.Types of synonym?
  • Round 2:

  • Tell me about yourself and what role you played in your project?
  • In development process after finishing all test case..who will review your code and..who will you report to?
  • Who will do deployment unit testing to system testing?
  • When will you use exceptions?
  • What are different types of exception?
  • Can you give me a real time example for exceptions?
  • What are cursor types?
  • What are all cursor
  • Explain mutating error?
  • Where is trigger? Tell me what are all the Advantages of using triggers?
  • What are different types of triggers?
  • Have you worked on pl-sql collections?
  • What are all collections types?
  • What are all collections methods?
  • Where did u use v array in your project?
  • How frequently will u use v array ?
  • What are the advantages of using variable array?
  • Can u tell me what are all the difference between v array and plsql table?
  • What is constraints and its types?
  • Why do we use views?
  • What are types of views?
  • What is materialized views?
  • Give me a real time example
  • Where will you use views and where will you use views in your project?
  • Can you tell me the example between views and m views?
  • What is analytical functions?
  • Types of analytical functions?
  • Tell me the differences between rank and dense rank?
  • What is index?
  • What are types of index?
  • What is performance tuning?what steps will you follow in performance tuning?
  • Give any 1 real time example for performance tuning and how did you solve it?
  • BAHWAN CYBERTEK PVT LIMITED

  • 1.Why we are using views?
  • 2.Index real time example?
  • 3.Why we are using plsql? Why can't we use alone SQL?
  • 4.difference between union and union all?
  • 5.why should we use check constraint? Why can't we use we use not null for tat?
  • 6.Explain detail about triggers?
  • 7.can we create function inside a procedure?
  • 8.select sum(salary) from table_name ; can we store this query inside a procedure?
  • 9.Final year project
  • 10.wat is the difference between procedure and function other than return and nt return a value ?
  • 11.how we will see how many constraints have created in a table?
  • 12.what is the use of GTT?
  • 13.Wat is TCL?and write an example for savepoint?
  • 14.difference between instr and substr?
  • 15.Difference between insert and merge?
  • 16.Merge with example
  • 17.define bulk collect ,how can we use it?
  • 18.difference between plsql table and v array?
  • 19.synonym and its advantage with real-time example?
  • HCL questions

  • 1. Tell about yourself.
  • 2.Roles and Responsibilities
  • 3.correlated and subquery with examples.
  • 4.cursor and types and write program for cursor.
  • 5.Exception and types.
  • 6.Write program for non-predefined exceptions.
  • 7.collections and types.
  • 8.Write a program for plsql table.
  • 9.Write a program for v array.
  • 10.Write a program using case and for loop.
  • 11.Trigger and types and where used in your project.
  • 12.Write query for multiple row subquery
  • 13.If you have many records in table emp 1 and another table emp 2 having no records. How you will load data from emp1 and emp2.
  • 14.Sql loader and syntax.
  • 15.Write a program for bulk collect
  • 16. index and types.
  • 17.Materialized view where used in your project.
  • 18.Different between clustered index and non clustered index.
  • 19.Different between cursor and select statement.
  • 20. How to call file in sql plus
  • 21.Define candidate key
  • 22.Use of pragma automous transaction
  • 23.How exactly the data will fetch when below query run select * from employees.
  • 24.A existing table has both primarykey and index how make use the index through primary key column.
  • 25.Purpose of cursor.
  • 26.Which type of index used in your project?
  • 27.Differnt between nvl and nv2.
  • 28.What is substr and write one example.
  • 29.What is instr and example.
  • 30.Differnt between replace and translate.
  • 31.Display the count of duplicate record in table.
  • 32.Different between rank and dense rank.
  • 33.Use of bind variable.
  • 34.use of external table.
  • 35.How to overcome the mutating error
  • Inautix interview questions

  • 1.Tell about yourself.
  • 2.What are the topics you know in sql?
  • 3.Types of joins and write an example for each and explain it.
  • 4.What is subquery and example for subquery?
  • 5.Write an example for co-related subquery?
  • 6.what is analytical function?
  • 7.What is group function?
  • 8.What is difference between in and exist?
  • 9.Write an example for rank, dense rank, row num and explain it.
  • 10.How to display the 100th row to 200th row by using rownum?
  • 11.What is bulk collect?
  • 12.Write an example for bulk collect?
  • 13.plsql collection types?
  • 14.what is varray?
  • 15.what is plsql table?
  • 16.What are the commands you know in unix?
  • 17.What is grep command?
  • 18.What is awk command?
  • 19.Did you write any script in unix?
  • Interview questions

  • 1. Tell about your project
  • 2. Roles and responsibilities
  • 3. What is incident management
  • 4. What is problem management
  • 5. What is change management
  • 6. What is service request
  • 7. What is SLA
  • 8. What are all the commands u know in Unix?
  • 9. What is grep command?
  • 10. How to find out background process and how to romove that particular process?
  • 11. How to move foreground process into background?
  • 12. You have receive two tickets from user like reset password and request for access some pages, for which issue u give first priority and why?
  • 13. What is the command for remove directory with subdirectory?
  • 14. Explain permission management?
  • 15. List the permission and permission number
  • 16. What is default permission for file and directory?
  • 17. How to assign individual permission for the file?
  • 18. Command for create a directory?
  • 19. Explain - chron tab?
  • 20. Ticketing tool and version?/li>

    Iopen Technologies questions

  • 1. Advantages of using plsql
  • 2. Provide the structure of plsql block from the start to end
  • 3.provide some places in plsql where schemas can be used
  • 4. Can we write procedure in a function
  • 5. Can we call a procedure by another procedure
  • 6. Can u give the syntax of how u will call another procedure
  • 7. Types of join
  • 8. What is inner, equi and left outer join
  • 9. How will you delete a duplicate without using joins and aggregate function
  • 10. What is rownumber over partitions
  • 11. Diff bw 10 g and 11g
  • 12. What is the latest oracle version is used
  • 13. What is max datatype
  • 14. Diff bw procedure and functions
  • 15. What is cursor
  • 16. What is rolback and commit
  • 17. I have a table I am going to insert values 1 2 after inserting the 2nd value going to give commit and rollback
    So how many rows will be present in the table
  • 18. Diff bw delete and truncate
  • 19. In which support you are working with
  • 20. Could u provide few issues that u have faced in support?
  • Navitas questions

    Round 1:

  • 1.Tell about urself
  • 2. roles and responsiblities
  • 3. know about production support
  • 4. You know about data migration
  • 5. how to interact with customer
  • 6. production support teams rules
  • 7. what is latest version of oracle DB used
  • 8. sla concepts
  • 9. what is anonymous block and procedure
  • 10. where u used trigger and syntax of trigger
  • 11. what are joins are there .
  • 12. what is cross join
  • 13. what is itil process
  • 14. what is project concepts
  • Round 2: project Manager

  • 1. tell about urself
  • 2. tel about project concepts
  • 3. how to genrate forms having particular duration
  • 4. what is ur application
  • 5. Are ready work with production support
  • 6. tell about education details
  • Round 3 -client round

  • 1. tell about urself
  • 2. how to connect database
  • 3. you worked with data migration
  • 4. what is ur roles
  • 5. what are the joins used in performance tunning
  • 6. how to lock a user, ulock user, change password
  • 7. Are you interact with customer
  • OLAM Telephonic interview

  • 1. tell about urself
  • 2. how much % working with Dev & support
  • 3. ready to work with production support
  • 4. what is ur role
  • 5. what is ur team size
  • 6. concepts of production support
  • 7. what is ur project concepts
  • 8. rate itself unix
  • 9. what ticket tracking tool u r used
  • 10. how to solve ticke
  • 11. last faced ticket
  • Ramco F2F interview

  • 1.Introduce yourself.
  • 2.Where have you used cursors in your project?
  • 3.What are the tools you were using in your project?
  • 4.What is the name of the application you were supporting for?
  • 5.Have you faced any complications while interacting with the customers?
  • 6.Whats are views?
  • 7.Can you again use the mv even after dropping a base table?
  • 8.What is force view?
  • 9.Write procedure you have recently written?
  • 10.What is normalization and its types?
  • 11.What is bulk collect and bulk bind?
  • 12.What is join and its types? What join type have you used frequently in your project?
  • 13.Create a table which should display the mobile brand, location, price
  • 14.Will you be able to learn new techniques and work on it?
  • 15.What is the process that front end users communicate to back end users?
  • 16. What is your shift timings?
  • 17. Have you always attended calls and raised tickets individually or interactively?
  • 18. How come you structure your table?
  • 19. What is the reason for your job change?
  • 20. Do you have any questions to ask us?
  • TCS interview questions

  • 1. Tell me about yourself
  • 2. What is your primary skill
  • 3. What is your secondary skill
  • 4. What is procedure
  • 5. What is functions
  • 6. What is triggers
  • 7. What is cursor
  • 8. Cursor attributes
  • 9. What is exception and types
  • 10. Eg for predefined exception
  • 11. Diff bw anonymous block and subprogram
  • 12. What is package
  • 13. What is overloading in procedure
  • 14. Diff bw standalone and subprogram
  • 15. What is db_link and what is default read or write
  • 16. What is set operators
  • 17. Diff bw union and union all
  • 18. What is analytical functions
  • 19. What is view
  • 20. What is mat views
  • 21. Diff bw views and mat views
  • 22. What is sequence
  • 22. What is the purpose of using mat views
  • 23. Diff bw incident management and problem management
  • 24. What is sla and what sla u r following
  • 25. Are you comfortable with shifts
  • 26. Are you comfortable with work location
  • 27. Are you willing to join immediately?
  • Tech mahindra interview questions

  • 1.tell abt urself
  • 2.write a procedure wit examples
  • 3.what is subquery and its types and example
  • 4.Diff between views and materialized views
  • 5.Diff between delete and truncate
  • 6.Diff between procedure and functions
  • 7.write a query to delete duplicate rows
  • 8.one table contain trigger and constraint which one il fire first?
  • 9.which order il fire trigger
  • 10.explain decode and case
  • 11.what is dynamic sql
  • 12.wat type of hints u used in ur project?
  • Unix questions

  • 1. Print 10 to 50 lines in a file
  • 2. How to terminate a foreground process
  • 3.To view a file pagewise
  • 4. Diff btw chmod & chown
  • 5. How to zip and unzip a file
  • 6. How to remove an empty directory
  • 6. How to create read only file
  • 7. Diff btw rsync & scp
  • 8. How to find running process
  • 9. Free space in disk
  • 10. Remove the 7 th line
  • 11. Grep options
  • 12. Diff BTW sh & ./
  • 13. To print empty lines
  • 14. Replace / with , only one time
  • 15. To check previous execution status.
  • 17. Display 3,4 th character of each line.
  • 18. Display 3rd field in each line
  • Fidelity Telephonic IQ

  • 1.Self intro
  • 2.Problem Management
  • 3.Incident Management
  • 4.Are you working in Change Request?
  • 5.Rate urself in UNIX?
  • 6.Search a word in all files in a current directory
  • 7.How to replace a word mumbai to chennai in a file?
  • 8.How to schedule a job? (crontab)
  • 9.How to edit a crontab?
  • 10.Find command and syntax
  • 11.How to print 5 to 10 lines ?
  • 12.Top command
  • 13.How to print 5th column ?
  • 14.Search a word and display only filenames which containing that matching word
  • 15.How to use delimiters in awk?
  • 16.How to find out CPU activity?
  • 17.What is $2 in shell script?
  • 18.SAR command in shell script?
  • 19.How to debug in UNIX?
  • 20.Rate urself in Oracle
  • 21.Primary key vs Unique key?
  • 22.Case vs Decode?
  • 23.Joins and types?
  • 24.Which joins used in your projects?
  • 25.TRUNC syntax
  • 26.What is SLA?
  • 27.Roles and Responsibility in your project
  • 28.Tell about your application?
  • 29.How long you working in this application(Project)?
  • 30.JIRA
  • 31.Triggers and Types?
  • 32.Wt about ur client?
  • 33.What type of shifts having in your office? Wt abt ur shift?
  • 34.Reason for job change?
  • 35.DML and DDL
  • 36.Having vs Where?
  • 37.Truncate and Why Truncate is DDL?
  • Virtusa telephonic interview questions

  • Just tell me abt where are u from, family and hobbies
  • Rate u r self in sql and plsql
  • 1. What is correlated subqueries
  • 2. What is the output for count(*) and count (1)
  • 3. What is sequence
  • 4. What is synonym
  • 5. Can u create a synonym for sequence
  • 6. What is inline view
  • 7. What is view and when u use it
  • 8. What is materialized view and y we are using this
  • 9. What is partioning and types
  • 10. What is joins and types
  • 11. What is cross join
  • 12. What is analytical functions
  • 13. Can u create a join for a single table
  • 14. What is utl_file
  • 15. What is diff bw rank and dense rank
  • 16. What is query rewrite
  • 17. What is cursor and types
  • 18. What is implicit cursor
  • 19. Cursor attributes
  • 20. Diff bw cursor and ref cursor
  • 21. Diff bw procedure and packages
  • 22. Diff bw procedure and functions
  • 23. What is record
  • 24. Can we call a procedure inside a package and vice versa
  • 25. Give some date functions
  • 26. What is exceptions and types
  • 27. What is diff bw user defined and predefined and non predefined exceptions
  • 28. What is collections
  • 29. Diff bw associative array and nested table
  • 30. Diff bw cursors and collections
  • 31. What is bulk bind and bulk collect
  • 32. Why u r using bulk collect to transfer datas from one table to another table, why cant u just simply use 'select into clause'
  • 33. What is sql loader and what is discard, dat and bad files
  • 34. Diff bw direct path and convectional path loader
  • 35. What is index and types
  • 36. What is btree index
  • 37. What is gtt
  • 38. Diff bw gtt and normal table
  • 39. How will u see the error line, msg and name when exception happened
  • 40. I have a table I am going to insert 1000 records and I just using insert and update statment, I have a error while inserting 901 record, will it stores upto 900 record and wanna know why I cant insert the 901 record, what is u r answer
  • 41. Can u create index for a view
  • 42. Why are u using views will the datas directly stores in a view
  • 43. Advantages of packages
  • 44. What is ref cursor and where u will use it
  • 45. What are the attributes for implicit cursor alone.
  • 46. What editor u r using
  • 47. How will u replace a word in vi editor
  • 48. I have two folders a and b I want to copy a file from a to b how will do it