Create table emp (id number(9), name varchar2(20),salary number(9,2)); The table has 100 records after table created.Now i nee to change id's Datatype is to be Varchar2(15). now Alter table emp modify(id varchar2(15),name varchar2(20), salary number(9,2)); Whether it will work or returns error? post answer with explanation.
13 224841) Difference between "Delete" and "Concatenate" with reference to databases? 2) Difference between SDLC and STLC. 3) Latest versions of the browsers used. 4) What is URL Tampering? 5) Full form of URL. I don't need the answers. These are just for reference.
2445can u tell me how many types of oracle and which type all detail in oracle (suppose all history of oracle )
1 4597I attended AEE's interview in the month of June-2008 Still im waiting for result when should i except. Notification Dated:22/2007
1 4287Post New Oracle Interview Questions
How to get a single ouptut by combining two or more queries?
explain local datetime api in java8?
All of the following are tools and techniques of the Performance Reporting process except: A. Variance analysis B. Performance reporting C. Information distribution D. Performance reviews
What is problem?
Explain dynamic picklist?
what is earliest retroactive accounting period
List the various storages that are provided by android.
A Customer has a MNC which has a Unit in USA , All use Same Operation Chart of A/c but they also want local reporting for USA unit .What should they do ? Optons : Use Group chart of account & Group a/c no * Use Group a/c no & Alternative a/c no.2 Use Country Specific Chart of A/c
What is oops concept with example?
What are grep patterns?
What are the functions are used in graphical mapping?
What is reverse path filtering?
Explain Generative Adversarial Network.
What are the provisions provided to rate the customers experience?
Is foreign key unique?