i have to picklistfield 1, is from__c , in tis field data is HYD, BAN,PUNE
and 2. is to__c in this picklist data is BAN,PUNE,HYD,  , And another field is fare__c
now if i select from__c, to__c picklist values then i want field update for rare__c is 2500/-
so how can do this pls send me

 field name is from__c,   to__c

 ,

these r my feilds

if i choose

from__c feild(BAN) and to__c (HYD) field

and when i click on fare button i want get fare price

how can i do this pl send me

i had 2000000 records

contains field name city

and state ,state is same for all records

city=1

city=2

city=3

city=4

city=5

city=6

city=7

city=8

and

state =AP

so i want field update for state 'field'

for contain city names

city=1

city=2

city=3

city=4

state =TN

how to write batch class for this and execution method

pl send me

Custom object name is employ__C

And fields are city__c

Sex__c

Department no__C

Salary__C

I need a quarry for list of records ,if I enter into sex field 'male' I need  all male records,and same for  'female' records 

And if I enter department no I need all male and female and city and salary records 

If I enter into salary  I need all records city ,sex ,department no ,

Pl send me this query 

How to write a Query to find Customer name if Branch is located in their City.
Relationship is parent to child

Close date should be feature date but should not be in current month of current year

i have to picklistfield 1, is from__c , in tis field data is HYD, BAN,PUNE
and 2. is to__c in this picklist data is BAN,PUNE,HYD,  , And another field is fare__c
now if i select from__c, to__c picklist values then i want field update for rare__c is 2500/-
so how can do this pls send me

i had 2000000 records

contains field name city

and state ,state is same for all records

city=1

city=2

city=3

city=4

city=5

city=6

city=7

city=8

and

state =AP

so i want field update for state 'field'

for contain city names

city=1

city=2

city=3

city=4

state =TN

how to write batch class for this and execution method

pl send me

Custom object name is employ__C

And fields are city__c

Sex__c

Department no__C

Salary__C

I need a quarry for list of records ,if I enter into sex field 'male' I need  all male records,and same for  'female' records 

And if I enter department no I need all male and female and city and salary records 

If I enter into salary  I need all records city ,sex ,department no ,

Pl send me this query 

Close date should be feature date but should not be in current month of current year