SOQL Scenarios

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DML Operations

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1. What are DML operations? A: DML Operations:   Insert ,  Update, Upsert, delete, Undelete, Merge, rollback, savepoint, emptyRecylebin. 2. What are Atomic Operations? A: Atomic Operation: Which means if any one of the operation fails entire operation will fail.   Ex: List<Account> accs=new List<Account>(); Account a1=new Account(Name='aaa'); Account a2=new Account(); accs.add(a1); accs.add(a2); insert accs; o/p :Entire opeation of insert will fail. 3. What are non-Atomic operations? A: Which means if any one of the operation fails remaining operation will run i.e., if error occurs the remaining records will be inserted / updated means partial DML operation will be done. Ex:  List<Account> accs=new List<Account>();         Account a1=new Account(Name='aaa'); Account a2=new Account(); accs.add(a1); accs.add(a2); Database.insert accs;  // In the above scenario operation is non-...
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Page Layouts

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1. What is PageLayout? A: Pagelayout controls which fields will be displays in which order they will displayed ,which formate that field should be displayed. 2.How many pageLayouts can be assigned to a profile on a object? A: For every profile only one pagelayout is define. 3. What we can controll using pageLayout? A:Fields. 4. How to add Custom button on the PageLayout? A: Drag and drop 5. How to add Custom button relateed list in the pageLayout? A: 6. Find out what type of access is provided on the field when we have following combination             Field Level Security           Page Layout                    output?       Visable   Read     Required     Visable   Read   Required  1.     Ok         No            No         ...
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Share a Account record Using Trigger

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Scenario:   Whenever a new record is create or update, that record is shared to particular user trigger ShareRule2 on Account (after insert, after update) {     List<AccountShare> accShare=new List<AccountShare>();     user u=[select id from User where alias='aaxis'];     for(Account a:trigger.new){         if(a.Active__c=='yes'){         AccountShare accShr=new AccountShare();         accShr.AccountAccessLevel='read';         accShr.AccountId=a.id;         accShr.ContactAccessLevel='read';         accShr.CaseAccessLevel='read';         accShr.OpportunityAccessLevel='read';         accShr.RowCause='manual';         accShr.UserOrGroupId=u.id;         accShare.add(accShr);          }      ...
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