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which component of DBMS can be embedded in a program?
The data manipulation language (DML) is a component which is embedded in a program.
Relationship between Security and Integrity: Database security usually refers to access, while database integrity refers to avoidance of accidental loss of consistency. But usually
Haw does it work one database application
what is correlation in nested query
Relational Model: The relational model uses a collection of tables to represent both data and the relationships among those data. Each table has multiple columns and each column h
What is the max. no. Of structures that can be included in a table or structure. Nine.
Differance between Unordered and ordered file ? Unordered file do no has any sequence although ordered file has arranged in a few sequence and data are assigned in ordered form
What is a cascading update? Referential integrity constraints needs that foreign key values in one table correspond to primary key values in another. If the value of the primar
An employee record has the following structure struct employee { int eno; char name[22]; float salary; char dept[10];}; (i) Calculate the record size R in bytes.
Key to represent relationship amongs tables is called ? A Key that represent the relationship between tables is called Foreign Key.
What are called index-sequential files? The files that are ordered sequentially with a primary index on the search key are known as index-sequential files
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