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Which database object does not physically exist?
A view database object does not physically exist.
Explain Two phase locking protocol A transaction is consider as to follow the two-phase locking protocol if all locking operations precede the first unlock operation in the tra
What is a disjoint less constraint? Ans: It needs that an entity belongs to no much more than one level entity set. Disjoint less constraint needs that an entity belongs to
Define object-relational systems? Systems that give object-oriented extensions to relational systems are known as object-relational systems.
What are axioms? Axioms or rules of inference give a simpler technique for reasoning about
System level permissions : With the use of data dictionary you can view them. Let us take the table name as user_sys_privs (used in oracle). DESCRIBE USER_SYS_PRI
Project Description: I would like to get a database of a website which has clients email name and phone number. If you are able to get information from a website, by entering
What is Data Storage? The storage structures and access methods used by database system are specified by a set of explanation in a special type of DDL called data storage-defin
Explain the utilities which help the DBA to manage the database? Every DBA uses database utilities to maintain and control their databases. But there is a lot of confusion wit
Consider the ER schema below for the MoneyMaking supermarket chain problem. Translate the given ER schema into SQL CREATE TABLE statement.
sir, could anybody help me in getting complete information about the mentioned topic
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