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

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MS Access (429)
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Sybase (267)
DB Architecture (141)
DB Administration (291)

DB Development (113)
SQL PLSQL (3330)
MongoDB (502)
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Database Management (1411)
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Databases Interview Questions

Questions Answers Views Company eMail

Can u make a synonym for deptno=10 only from emp table.

TCS,

1 2695

in oracle BPM composer in part BA model on design model in enterprise model i cannot connection with value chain model work not links in part properties do you can me help me?

SAPCO,

1538

All questions related to Control m monitoring tool

HCL, TY,

2547

what are the mandortary parameters required for cuncurrent program definition in oracle apps R12?

Arrow Electronics,

1 2721

how to do daily transactions with out sql* loader control file regesterd in apps?

Arrow Electronics,

1687

1) Does oracle have any table which contain all the exceptions and it's code internally?

CTS,

1752

1) Synonyms 2) Co-related Subquery 3) Different Jobs in Plsql 4) Explain Plan 5) Wrap 6) Query Optimization Technique 7) Bulk Collect 8) Types of index 9) IF primary key is created then the index created ? 10) Foreign Key 11) Exception Handling 12) Difference Between Delete and Trunc 13) Procedure Overloading 14) Grant Revoke 15) Procedure Argument types. 16) Functions. 17) Joins

CTS,

1597

First round ------------------- - Procedure - Packages - Views - Virtual tables - Can we use dcl with in function? - Joins and few scenarios - Triggers and its type - Pragma, type and its functionality - How to create db link in oracle - Materialized view - How to find duplicate values from table? - Cursor and its functionality - Write a script to display friday and its date from a entire year. - Exception Handling Second round ------------------------ Gave a scenario like. Need to write a function to perform. When user try to change a password. It must not be last five password and a given password can be combination of characters, symbols, upper and lower case.

Prodapt,

1584

- Types of triggers - View - Dcl - Procedures, packages, functions - Metasolve - Can use Dcl in triggers - package case study - Cursor and its types - triggers schedule - Wrap - Why we are using fetch and for in cursor. difference?

CTS,

1832

display your age in months?

2 4489

what is reindexing?

Tata Technologies,

1679

1.what are diff types of joins , and explain diff between cross join and full outer join 2.diff types of views 3. Diff types of index 4. What is diff b/w stores procedure and function procedure 5.diff between double and int in SQL 6.diff between char and varchar in SQL. 7.Oracle or SQL whice you will preferred and why.

Aptroid,

1594

src name sex a,male b,female c,male d,female Required output : male female a,b c,d tried pivot but was not successfull select * from src pivot (max(name) for sex in ('MALE','FEMALE'));

IBM,

1690

how to insert the records in particular position

1 3390

what are different types of datasets? what are different characteristics or properties of those datasets? what are the advantages and disadvantages of each dataset on each other?

OVGU,

1 2583

Un-Answered Questions { Databases }

What is the difference between executequery () and executeupdate ()?

1046

What is tuple in rdbms?

1111

What are different types of resources?

1023

What do you mean by % and _ in the LIKE statement?

985

How index is used in mongodb?

What is a behavioral trigger?

979

Find columns used in stored procedure?

991

Can I use mariadb instead of mysql?

924

what is self-join? : Sql dba

1169

What is snow flake schema design in database? What's the difference between star and snow flake schema?

875

Relational calculus is what type of language?

1039

How to calculate the approximate size of the SGA based on the size of the block,shared_pool,redo_buffer_cache and db_buffer_cache?

2700

What is mysql and why it is used?

1087

What is better mysql or mongodb?

how to use buttons,check boxes in paper layout,paper design and paper parameter form in oracle report developer 10g

1979

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