Interview Questions

In economy, the currency value depends on imports and exports, inflation, employment, interest rates, growth rate, trade deficit, performance of equity markets, foreign exchange reserves, macroeconomic policies, foreign investment inflows, banking capital, commodity prices.

DB2 precompiler (if embedded sql used), CICS translator (if CICS program), COBOL compiler, Link editor. If DB2 program, create plan by binding the DBRMs.

1. A fixed budget is established for a specific level of activity whereas flexible budget is prepared for various levels of activity.

2. Fixed budget cannot be changed after the period commences, whereas a flexible budget can be changed after the period commence.

3. Fixed budget is more suitable for fixed expenses whereas flexible budget takes both fixed as well as variable expenses in account.

4. Fixed budget includes only fixed costs, whereas a flexible budget includes fixed costs, variable costs and semi variable costs.

5. Fixed budget is mainly used in planning stage whereas flexible budget is used in controlling stage.

Sample Answers :

(i) I Know that not every day will be the same. So I recognize that changes in priority are a normal daily occurance and that i must be able to provide my care based on priorities.

(ii) Well at times I may get upset, but I understand by now these things happen, especially in the medical field.

Aggregate functions perform a calculation on a set of values and return a single value. Aggregate functions ignore NULL values except COUNT function. HAVING clause is used, along with GROUP BY, for filtering query using aggregate values.

Following functions are aggregate functions. 

AVG, MIN CHECKSUM_AGG, SUM, COUNT, STDEV, COUNT_BIG, STDEVP, GROUPING, VAR, MAX. VARP

mysql_fetch_array:
Fetch a result row as an associative array and a numeric array.

mysql_fetch_object:
Returns an object with properties that correspond to the fetched row and moves the internal data pointer ahead. Returns an object with properties that correspond to the fetched row, or FALSE if there are no more rows.

mysql_fetch_row():
Fetches one row of data from the result associated with the specified result identifier. The row is returned as an array. Each result column is stored in an array offset, starting at offset 0.

A constructor is a member function of a class that is used to create objects of that class. It has the same name as the class itself, has no return type, and is invoked using the new operator. We cannot invoke a constructor directly.

A method is an ordinary member function of a class. It has its own name, a return type (which may be void), and is invoked using the dot operator.

echo() and print() are language constructs in PHP, both are used to output strings. The speed of both statements is almost the same.

echo() can take multiple expressions whereas print cannot take multiple expressions.

Print return true or false based on success or failure whereas echo doesn't return true or false.