Schema 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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OWD - Sharing Settings

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Owd: Organization wide default This is specify witch records in the table can be viewed by the user and what type of operation user can perform on the records. Private: If you define OWD as private only owner of the records can perform R|W|D operations on the records Public Read: If you define OWD as Public Read all the Users in the Organization can perform read operation on all the records and they can perform read and write and delete operations on the records for which they are owners. Public Read|Write: If you define OWD as Public Read|Write all the users in the organization can perform Read and Write Operations on all the records and owners can perform Read|Write|Delete operations on their own records. Public Read|Write|Transfer: This OWD can be defined only in Case and Lead object. If you define Public Read|Write|Transfer on case object or Lead Object all the users can perform operations of  Read|Write|Transfer an all the records. Public Full ...
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