Answer / akhil

OPEN SQL

Open SQL allows you to access all database tables known to
the SAP system, regardless of the database manufacturer.
Sometimes, however, we may want to use database-specific
SQL statements called Native SQL in the ABAP/4 program.

Native SQL
Native SQL allows you to use database-specific SQL
statements in an ABAP program. This means that you can use
database tables that are not administered by the ABAP
Dictionary, and therefore integrate data that is not part
of the R/3 System.

Answer / gandhi

Open SQL:
Open sql will access the database without any
interface. which means no need to worry about the Database
manufacturer.

Native SQL:.
Native Sql are specific to database (ie
Oracle, SQL, Sybase, posgres, Access, DB2.)

Answer / cutie

Well Open SQL is teh DATA MANIPULATION LANG(DML) tht is it
allows only to access teh data,insert,delete append teh
tables.
THE native SQL is the Data Definitaion LAnguage it allows u
to create tables.

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