What are keys in sql?
What is sql engine in oracle?
Why cannot I use bind variables in ddl/scl statements in dynamic sql?
What is the usage of nvl function?
Which data type doesn't allow null data type?
explain the advantages and disadvantages of stored procedure? : Sql dba
What is the use of sqlerrd 3?
What is a constraint? Tell me about its various levels.
What is nvarchar in sql?
Let us suppose we have a table with structure in order empno empname empdesig empcountry and now i want to re-organize the columns of this table to empno empdesig empname empcountry how can i do this with queries ? assume that table contains the data.
Does pl/sql support create command?
What are the advantages of the packages
What is a call statement? Explain with an example.