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MySQL Database Merge
Project Description:
I have two databases, I need merge the data of one database into another
Work to be done online right now.
Payment can be done after work done
Skills required are Database Administration, MySQL
What is the used of specifying alias? Specifying alias: is used to rename column or attribute in a table.
explain cascading rollback
Example -GRANT CREATE SESSION TO MCA12; (This command gives system level permission on creating a session - not portable) GRANT SELECT ON EMP TO MCA12; (Object level permi
What is the meaning of Data Independence ?
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Determine the language that needs a user to specify the data to be retrieved with no specifying exactly how to get it is Ans: Non-Procedural DML
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how to write a in a text and load it on mysql
Example :; transfers transfer_amount from x's account to y's account ; Supposes x&y both accounts exist TRANSACTION (x, y, transfer_amount) Start transaction IF X AND Y
Determine the rule that a value of a foreign key should appear as a value of some particular table is called a Ans: Referential constraint. The rule that a value of a fo
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