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Explain trigger? Trigger: A database trigger is procedural code which is automatically executed within response to certain events on a particular table in a database. Trigger
Data Definition Language It organises the data in the form of columns and rows. But what does the data field column of table accumulate? How do you describe it using SQL? Th
Create role named role_table that allows a user to create tables. Using role_table allow users kripa and reena to create tables. CREATE ROLE role_table; GRANT CREATE ANY TABLE
What is D command work in the respect of QBE? D: It is the command inside QBE to delete tuple(s) from the relation.
Multilevel Indexing Scheme Consider the indexing scheme where the address of the block is consider in the index for each record, for a little file, this index would be little a
which component of DBMS can be embedded in a program? The data manipulation language (DML) is a component which is embedded in a program.
Need 2 projects completed in 3NF format.
Define the terms i) Key attribute ii) Value set Key attribute: An entity type usually has an attribute whose values are exact from each individual entity in the collection. Su
Database Administrator One of the main perpose for having the database management system is to have control of both data or programs accessing that data. The person having li
what characterizes the levels in RAID technology
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