Answer / cp

Multiversion concurrency control (abbreviated MCC or MVCC),
in the database field of computer science, is a concurrency
control method commonly used by database management systems
to provide concurrent access to the database.
MVCC provides each user connected to the database with a
"snapshot" of the database for that person to work with. Any
changes made will not be seen by other users of the database
until the transaction has been committed.

Answer / amith

Each row has two additional columns associated with it -
creation time and deletion time, but instead of storing
timestamps, MySQL stores version numbers

How do I get a list of table names in mysql?

0 Answers  

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How can we get the number of rows affected by query?

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How do I completely remove mysql from windows?

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Why mongodb is faster than mysql?

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If we create a column with data type VARCHAR(3), what would we expect to see in MySQL table?

2 Answers   ABC,

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How to update info already in a table and delete a row(s) from a table.

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What is bdb (berkeleydb)?

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How to Change a users password from MySQL prompt. Login as root. Set the password. Update privs.

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What is row level locking in access?

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Explain the difference between FLOAT, DOUBLE and REAL.

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ru compare the 2 null values?

2 Answers   ACC,

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