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What are the categories of SQL command?
SQL commands are separated in to the following categories:
1. Data - Definitition Language
2. Data Manipulation language
3. Data Query Language
4. Data Control Language
5. Data Administration Statements
6. Transaction Control Statements
Ways for Selecting Data Structure Algorithms operate on data structure. Therefore, selection of the best algorithm means selecting the best data structure from whole bunch. Th
What is D command work in the respect of QBE? D: It is the command inside QBE to delete tuple(s) from the relation.
Need 2 projects completed in 3NF format.
Eliminate Redundant Data In the "Database Relation" above, the primary key is made up of the D-ID and the Emp-ID. The database-name relies only on the D-ID. The similar databas
A set of possible data values is called? A set of possible data values is called as domain.
how does Btree differ from a B+ - tree?
What are the benefits of decomposing a system? The benefits of decomposing a system into subsystems are that after decomposition, each individual component become smaller and e
Oracle & Distributed Databases 1. Differentiate between PL/SQL functions and procedures. 2. Draw the diagram of logical structure of oracle database and explain it in brief.
Relationship between Security and Integrity: Database security usually refers to access, while database integrity refers to avoidance of accidental loss of consistency. But usually
Code an Oracle Database trigger to enforce the constraint that an employee can never change his or her department.
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