Is nosql relational?
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Delete duplicate records in the emp table.
How much ram can sql express use?
What is the usage of nvl function?
What is t-sql? : Transact sql
What is delete command in sql?
Explain some predefined exceptions.
what is 'trigger' in sql? : Sql dba
what is global table
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 cursor. write example of it. What are the attributes of cursor.
if i perform any operation on views such as insert, delete etc will my base table get affected?????
Can you skip header records while loading? : aql loader