1) If two users A and B under same profile and Role. How can I restrict records of A to B and Vise versa? Ans: In profile set View all data and modify all date permission is 'false' and Owd Should be Private then we can restrict data.
Difference between Data Management and Data Loader?
| Data Management | Data Loader |
| We can insert 50000 records per Transaction. | We can insert 5 million records per Transaction. |
| Duplicate records it cannot allow. | We can insert Duplicate Records. |
| We can perform operations in any custom object and four standard objects Account, Contact, Lead, Solution, Campaign member. | We can perform operations in any custom and standard objects. |
| It can perform operations insert, update, upsert (insert + update). | It can perform operations insert, update, upsert (insert + update), delete, Export, Export all. |
| It allows only csv file. | It allows csv all database files. |
2. Difference between lookup and master details?
| Lookup | Master |
| we can create max 40 lookup relation(including 2 master details) per object | We can create max 2 master details relationship per objects. |
| This relation is supporting standard and custom objects | Master details is supporting only custom object. |
| We can create lookup for empty object(without records and also with records) | We can create master detail relationship only in the empty object, because parent field value is mandatory. Note: if any object contain any record first create lookup relation then fill all parent field value and change relationship type lookup to master detail. |
| In lookup relation parent and child contains it’s own owner. | Parent and child is controlled by parent it means parent object only contains ownership on child records. |
| It cannot support inheritance in OWD and sharing rules. | It support inheritance in OWD and sharing rules. |
| It cannot support rollup summary. | It support rollup summary. |
| In lookup parent record is deleted, child field value is deleting. But not record. | In master detail parent record is deleted, Associated child record also deleted because parent field value is mandatory. Note: This rule is applicable up to 200 Childs. If any parent is associated with 200 or more then we cannot delete parent record |
| In lookup relation parent field value optional. | In lookup relation parent field value mandatory. |
3. Difference Between SOQL and SOSL?
| SOQL | SOSL |
| SOQL stands for salesforce Object query language. | SOSL stands for salesforce Object search language. |
| Need to write different soql against diff objects. | works on multiple objects at same time. |
| It Return list of Records. | It Return list of Sobjects. |
| Can be used in apex classes and triggers. | Cannot be used in triggers, can be used in apex classes anonymous block. |
4. Difference between Roles and Profiles
| Roles | Profiles |
| Role hierarchy doesn’t do any of these things. | Profile manages the Salesforce.com License, Object permissions, Field permissions, User permissions, Tab settings, App settings, Apex class access, Visual force page access, Page layouts, Record Types, Login hours & Login IP ranges etc |
| Optional for User creation. | Mandatory for User creation. |
| Maintain Record level access. | Maintain object level access. |
| Role is not Mandatory. | Profile is Mandatory. |
| Role helps in opening the records to the users above the Role hierarchy . | Profile helps to put restrictions on the Object. |
5. Difference between Workflow and Approval Process?
| Workflow | Approval Process |
| They are activated when a record is saved. | Approval process is triggered by explicitly clicking the “Submit for Approval” button. |
| Workflow consists of single step and single action Approval process consists of multiple steps. Also different action is taken based upon whether the record is approved or rejected. | Approval process consists of multiple steps. Also different action is taken based upon whether the record is approved or rejected. |
| Workflow consists of single step and single action. | In approvals some attributes cannot be modified. Processes must be deactivated before approvals delete. |
6. . Difference Between Trigger. New and Trigger.NewMap in Apex ?
| Trigger. New | Trigger.NewMap |
| Returns a list of the new versions of the sObject records. | Returns a map of IDs to the new versions of the sObject records. |
| Note that this sObject list is only available in insert and update triggers, and the records can only be modified in before triggers. | Note that this map is only available in before update, after insert, and after update triggers. |
| Trigger.newMap dont work for before insert while. | Trigger.New works fine for holding all Ids of records while inserting. |
| Trigger.new returns a list, which are ordered. | Trigger.newMap returns a map – which are unordered. |
