Similar commands are available in many SQL systems, but usually as external tools, as opposed to being internal to the SQL language.
The permissions granted for SQL language commands on objects are considered in this process.
It was added to the SQL language because the keyword could not be used with aggregate functions.
However, object database ideas were picked up by the relational vendors and influenced extensions made to these products and indeed to the SQL language.
The communication with databases is through SQL language.
Alternatively, in implementations of the SQL language without the operator, the equivalent form of a where the right hand values are can be used instead.
With a common SQL language, on the other hand, the user can extract the needed information without worrying about how or where it is stored.
The most popular database model for general-purpose databases is the relational model, or more precisely, the relational model as represented by the SQL language.
The database tables can be queried using the SQL language, which allows the dynamic combination of data from different tables [ 15].
Eswaran was one of the inventors of SQL language.