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A Structure of a dependency diagram
How many physical thing?
why we fregment at all?
does tables are called relations
notes about update opreation
Record based Logical Models: Use records as the key data representation components Examples: Relational Model: It shows data as well as relationship between data in the form
Differance between procedural and non procedural DML? Procedural and non procedural DML Procedural DML exactly what data is require and how to obtain those data. Non procedural
Explain about database system structure? Storage manager Authorization and integrity manager Transaction manager File manager Buffer manager Storage manager
what is union compatable?
A field-groups statement or an insert statement reverses storage space and transfers values. False.
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