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What are the parts of SQL language?
The SQL language has various parts:
data - definitition language
Data manipulation language
View definition
Transaction control
Embedded SQL
Integrity
Authorization
lock and types of lock
Question : (a) Database Management Systems (DBMS) is the foundation of business intelligence. Explain the following concepts related to DBMS: (i) Entity Relationship Diagr
Define union compatibility? Explain why INTERSECTION of two relations cannot be performed if they are not union compatible? Two relations R(A1, A2,-------, An) and S(B1, B2,--
what do you understand by enhanced entity-relationship
Define what Immediate database modification technique uses? Ans: Both undo and redo.
Explain what is DDL? DDL - Data Definition Language: statements used to define the database structure or schema. Some examples: CREATE - to create objects in the database ALT
how many hourse have been spent on a certain project
What are the various forms of data transparency? a) fragmentation transparency b) replication transparency c) location transparency
What is persistency? Persistency ensures which data is stored and that after the object is no longer available (program stops running) the data will be available to other users
It is not possible to make an ABAP/4 program, which having only Subroutines. False. We can make ABAP/4 program, which having only Subroutines.
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