what is msql? : Sql dba
What is primary key and foreign key with example?
How to find last day of the month in sql query
What are different types of statements supported by sql?
What is substitution variable in pl sql?
Which join is like an inner join?
What are the ways on commenting in a pl/sql code?
How does a self join work?
how are mysql timestamps seen to a user? : Sql dba
1. is it possible to use the cursor atttibutes (%found ,% rowcount , %isopen , %notfound ) to our user defined cursor names ....... cursor cursor_name is select * from scott.emp if you use... cursor_name%found , %rowcount ,%isopen,%notfound...will it work... -------------------------- 2.what is the difference between the varray and index by table .. -------- 3. type type_name is table of number(8,3) index by binary_integer; identifier_name type_name; first , last , prior , next ,trim are the methods we can use it for the above type...simillary is there any way to apply for cursors... with thanks and regards..sarao...
What normalization means?
How will you make performance better for application including front end and back
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.