What is sql integrity?
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What is execution plan in sql?
What is dcl in sql?
full outer join syntax
How do you drop a trigger?
How to call shell script from pl sql procedure?
How do you truncate?
Explain the advantages and disadvantages of stored procedure?
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.
What is example of database?
Can we use join in subquery?
What are %type and %rowtype for?
How to fetch the rows by dynamicaly passing table name through cursor?
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