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What are the technique to define a schema completely ?
A schema is completely define by DDL and DML query language.
What are the kinds of Strings? -A binary string in MySQL is one that MySQL treats as case sensitive in comparisons. -A non binary string in MySQL is one that MySQL does'nt
One-to-one relationship: For every 1:1 relationship type R in the ER diagram including two entities E1 and E2 we take one of entities (say E1) preferably with total participatio
Differance between internal and external schema? Internal and external schema: Internal Schema • Describes the physical storage structure • Uses a physical data model External
List the types of authorization. A) Read authorization B) Write authorization C) Update authorization D) Drop authorization
It is not possible to make an ABAP/4 program, which having only Subroutines. False. We can make ABAP/4 program, which having only Subroutines.
What is the difference between link and reference? The fundamental difference between links and references is that links are symmetrical on the other hand references refer only
State the data flow diagram of functional model Any action initiated by transition in the state diagram can be extended into an entire data flow diagram in functional model. Th
Express the subsequent query in SQL assumes which the data is stored within EMPLOYEE table with relevant fields (i) Display name, job, salary, and hire date of employee who are
1. Determine that the Checkpoints are a part of Ans: Checkpoints are a part of Recovery measures
how to design tables
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