1. how to use the check option constraints in sql query..?
2.how to add data in a complex query ?
3.is it possible to use commit or rollback or savepoint in
triggers...if not why please explain with examples...?
4.what is the difference between meterialized view and
normal view..how to create materialized view and how to use
it..?
5.what is varray...? what is the advantage of the varray ?
please expalin with a simpel example..i want to load into a
table (student no and name and his marks..) please give
example..
6.what are the bulk bind exceptions...how to use bulk bind
and how to use bulk collect..please explain with example...
7.what is for update of and where current of ...?
8 what is the use of nowait ?
9.please give an example for nocopy in a simple plsql query
10.create an index in a table...tellme how to use the
index in a where clause to do performance tunning...
Answer Posted / devi
create table td2
(city varchar2(12) constraint td2_ename_ck check(city in
('ctc',''bbsr))
| Is This Answer Correct ? | 8 Yes | 3 No |
Post New Answer View All Answers
How many types of keys are there in sql?
write an sql query to find names of employee start with 'a'? : Sql dba
What is primary key in db?
Is sql microsoft?
Is sqlite thread safe?
Define join and name different types of joins?
Explain raise_application_error.
How many sql commands are there?
How to select 10 records from a table?
What is sql injection owasp?
What are the features of pl sql?
How many commands are there in sql?
What is a delimiter in sas?
What is pl sql block structure?
Mention what plvcmt and plvrb does in pl/sql?