2.1 After you_____ a record, many data management environments require you to issue a command to save the changes you made.
2.2 In SQL, GRANT command is used to_____ privileges.
2.3 A______consists of a sequence of query and/or update statements.
2.4 The highest level in the hierarchy of data organization is called_______
2.5 A network schema permits________relationships.
2.6 The logical data structure with a______ relationship is tree.
2.7 _________ will undo all statements up to commit.
2.8 A number of related records that are treated as a unit is called ________
2.9 _________is the one in which the primary key of one relation is referenced in another relation.
2.10 To include integrity constraint in an existing relation use___________
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Answer:
1) update
2) grant system privileges, roles, and object
3) Transaction
4) database
5) many-to-many
6) one-to-many
7) Rollback
8) file
9) Foreign key
10) Alter table
Explanation:
Above answers are the correct one.
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