DBMS Validation Based Protocol MCQs: This section contains multiple-choice questions and answers on Validation Based Protocol in DBMS.Submitted by Anushree Goswami, on April 19, 2022 1. What is the Validation Phase also known as?Optimistic Concurrency Control Technique Optimistic Consecutive Control ...
Validation based protocolavoids the concurrency of the transactions and works based on the assumption that if no transactions are running concurrently then no interference occurs. This is why it is also calledOptimistic Concurrency Control Technique. In this protocol, a transaction doesn’t make any c...
The cloud web server grants or deny the service to the user based on the positive or negative response from the IdP server. 3.5 Resource request and response protocol The Resource Request and Response Protocol provides the mechanism for placing the web service request to the cloud servers from ...
the DBMS may attempt to reuse previously captured query plans. But to determine whether a previously captured query plan is reusable or not can be technically challenging. Previous metadata-based approach can invalidate or decline to reuse a captured query plan for a query even if all objects inv...
ERROR [HY000] [DataDirect][ODBC Progress OpenEdge Wire Protocol driver][OPENEDGE]Invalid date string (7497) (pgoe1022.dll) Error = [Microsoft][ODBC Driver 13 for SQL Server]Unable to open BCP host data-file Error =UTF-8 encoding (code page 65001) error 1603 installing microsoft sql na...
Contributor flambercommentedMar 26, 2019 I just tried to upgrade to 0.32.0-RC2 from 0.31.2 and got this error (full log): ERROR metabase.core :: Metabase Initialization FAILED liquibase.exception.ValidationFailedException: Validation Failed: 1 change sets check sum migrations/000_migrations.yaml:...