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Describe an data dictionary?
A data dictionary is a data structure which keeps meta data about the structure of the database ie. the schema of the database.
What is the use of sub queries? A sub query is a select-from-where expression that is nested with in another query. A common use of sub queries is to do tests for set membershi
What are the two types of indices? The two types of indices are:- A) Dense index B) Sparse index
Project: Microsoft Access You have been asked by the ABC Tanning Salon to create a database that can be used to track the salon's customers. You are to create a table in Access
If the deletion violates referential integrity constraint, then three alternatives are available: Default option: - refuse the deletion. It is the job of the DBMS to describ
Soccer player ER Diagram to Relational database schema
What are called journaling file systems? File systems that support log disks are known as journaling file systems.
I have one assignment that has to be done in neo4j
What is the full form of DDL? DDL is stand for Data Definition Language.
Saving Derived Attributes to Avoid Re-computation Data that is derived from other data should be stored in the computed form to avoid re-computation. For this, we could define
Write short notes on extension and intension? In any data model, it is significant to distinguish among the description of the database and the database itself the description
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