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Do you know Use Case points? ........................................................................................................ 352
What is COCOMO I, COCOMOII and COCOMOIII? .................................................................... 352
What is SMC approach of estimation? ............................................................................................. 352
How do you estimate maintenance project and change requests? .................................................... 353
13. Database .............................................................................. 3543. Database ..............................................................
hat is database or database management systems (DBMS)? .............................
s difference between DBMS and RDBMS ?
What are different type of normalization?
s the difference between Fourth and Fifth normal form?
3. Database ............................................................
hat is database or database management systems (DBMS)? ..........................
s difference between DBMS and RDBMS ?
What are different type of normalization?
s the difference between Fourth and Fifth normal form?
What is database or database management systems (DBMS)? ........................................................ 354ase or database management systems (DBMS)? ...........
What are different type of normalization?
What is SQL ?
What’s difference between DBMS and RDBMS ?
What are CODD rules?
What are E-R diagrams?
How many types of relationship exist in database designing?
What is normalization? What are different type of normalization?
What is denormalization ?
Can you explain Fourth Normal Form?
Can you explain Fifth Normal Form?
What’s the difference between Fourth and Fifth normal form?
Have you heard about sixth normal form?
What are DML and DDL statements?
What is SQL ? ................................................................................................................................... 355
What’s difference between DBMS and RDBMS ? .......................................................................... 355
What are CODD rules? ..................................................................................................................... 356
What are E-R diagrams? ................................................................................................................... 358
How many types of relationship exist in database designing? ......................................................... 359
What is normalization? What are different type of normalization? ................................................. 362What are dif
What is denormalization ? ................................................................................................................ 364
Can you explain Fourth Normal Form?............................................................................................ 365
Can you explain Fifth Normal Form?............................................................................................... 366
What’s the difference between Fourth and Fifth normal form? ....................................................... 367
Have you heard about sixth normal form? ....................................................................................... 367
What are DML and DDL statements? .............................................................................................. 367
How do we select distinct values from a table? ............................................................................... 368
What is Like operator for and what are wild cards? ......................................................................... 368
Can you explain Insert, Update and Delete query? .......................................................................... 368
What is order by clause?................................................................................................................... 369
What is the SQL In clause? .............................................................................................................. 369
Can you explain the between clause? ............................................................................................... 369
I have an employee salary table how do we find the second highest from it? ................................. 370
What are different types of joins in SQL? ........................................................................................ 370
What is “CROSS JOIN”? ................................................................................................................. 371
Twist: - What is Cartesian product?
You want to select the first record in a given set of rows?
What is the default “SORT” order for a SQL?
What is a self-join?
Twist: - What is Cartesian product? ................................................................................................. 371
You want to select the first record in a given set of rows? ............................................................... 371
What is the default “SORT” order for a SQL? ................................................................................. 371T” order for a SQL?
ference between DELETE and TRUNCATE ?
Wildcard operators ?
What is a self-join? ........................................................................................................................... 372
What’s the difference between DELETE and TRUNCATE ? .......................................................... 372
What are Wildcard operators ? ......................................................................................................... 372
Twist: - What is like clause in SQL? ................................................................................................ 372
What’s the difference between “UNION” and “UNION ALL” ? .................................................... 374
What are cursors and what are the situations you will use them? .................................................... 376
What are the steps to create a cursor? .............................................................................................. 376
What is “Group by” clause? ............................................................................................................. 379
What is the difference between “HAVING” and “WHERE” clause? .............................................. 380
What is a Sub-Query? ....................................................................................................................... 381
What are Aggregate and Scalar Functions? ...................................................................................... 381
Can you explain the SELECT INTO Statement? ............................................................................. 382
What is a View? ................................................................................................................................ 382
What is “Correlated Subqueries”? .................................................................................................... 382
What is SQl injection ? ..................................................................................................................... 383
What is “Data Warehousing”? .......................................................................................................... 383
What are Data Marts? ....................................................................................................................... 384

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