Apex Intermediate Progress | ( Lessons)

Lesson: 03 | DML Statements | Update

Notes

Use the following code to update all the existing records of the Account Object:

List<Account> AccountList = [SELECT id, name FROM Account];

for(Account singleAccount: AccountList){
    singleAccount.AnnualRevenue = 500000;
    singleAccount.YearStarted ='2045';
}

update AccountList;

Use the following code to update the Account Number field of the Account object if account number is empty (Null).

List<Account> AccountList = [SELECT id, name FROM Account WHERE AccountNumber=Null];

for(Account singleAccount: AccountList){
    singleAccount.AccountNumber = 'ACCOUNTNUMBER';
}

update AccountList;

System.debug(AccountList.size());

Exercises

#	Exercise
1	Bulk Update Account Ratings

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Apex Intermediate

A. Apex DML Operations (8 lessons)

B. Apex Classes (17 lessons)

C. Apex Triggers (9 lessons)

D. Apex Exceptions (11 lessons)

E. Asynchronous Apex (6 lessons)

F. SOSL (10 lessons)

G. Testing Apex (9 lessons)

H. Apex Fast Recap (142 lessons)

I. Build Apex Coding Skills (64 lessons)

J. Miscellaneous (17 lessons)

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Lesson: 03 | DML Statements | Update

Notes

Apex Intermediate