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What are the three classes of SQL expression?
SQL expression consists of three clauses:
Select
From
Where
It is mandatory that for every table in the LDB hierarchy there should exist one GET statement in the report. False. It is not essential.
compare the features of oracle RDBMS with MySQL and Microsoft SQL server
how to write a in a text and load it on mysql
State about the Tables- DBMS Data is stored in columns and rows (much like a spreadsheet -main difference is how data is organised). Every row in a table is known as a record
need requirement analysis for database management of stock market
Explain the conventions (relationships) for displaying an ER schema as an ER diagram.
Update Operations and Dealing with Constraint Violations There are three basic operations to be executes on relations: Insertion Deletion Update The INSER
What is the most significant feature that does not directly map into programming language structures? Why? Association, since there are complex types of association, like as qu
Explain about primary key Primary Key: It is one of the candidate keys that are taken to be the recognizing key for the entire table. E.g. although there are two candidate ke
What is object containment? References among objects can be used to model dissimilar real-world concepts.
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