DBMS-DBMS CONCEPT
DBMS-DBMS CONCEPT
42. DSDL is used to specify:
- internal schema
- external schema
- conceptual schema
- none of these
43. VDL is used to specify:
- internal schema
- external schema
- conceptual schema
- none of these.
44. The DML provides following functional access to the database:
- retrive data and/or records
- add(or insert) records
- delete records from database filesd
- all of these
45. 4GL has the following components inbuilt in it;
- query languages
- report generators
- spreadsheets
- all of these