a collection of inter-related data is called as
ensuring the accuracy of the data is called as
the characteristic property of an existing entity is what?
who introduce the relational database model?
for what we can able to create the synonym?
how many locks can be able to create on DBMS?
which command is used to describe the structure of the table?
which command is used to modify the data in existing table?
which mechanism is used to prevent the invalid data into the table?
create table cust_mer(cid number5,cname varchar(2));
is valid or not