informix isolation level

Improve concurrency and locks, allowing more users to access data faster. From IBM Database Magazine Chinese version. One important, but often overlooked, performance tuning step is to check how Informix Dynamic Server (IDS) handles locks and

Improve concurrency and locks so that more users can access data faster.From the Chinese version of IBM database magazine. A very important but often overlooked Performance Tuning step is to check how Informix Dynamic Server (IDS) handles

INFORMIX uses the lock technology to solve the concurrency control problem of accessing the same object when multiple users access the database. INFORMIX supports complex and scalable locking technologies. Lock type INFORMIX has three different

Informix uses lock technology to resolve concurrent control issues with access to the same object in the case of multiuser access to the database. INFORMIX supports complex, scalable locking techniques. Type of lock Informix has three different

First, Infomix use MemoDirectory structure:1. Start and stop orders;2. Modify the database encoding;3. View the ports that Informix occupies;4. Use the dbaccess command to import and build table information from a file;5. Give a user DBA authority

Today, when operating the database for bulk DML operations, reported a previously unseen error, Java.sql.SQLException:No Transaction isolation on non-logging db ' s, I hereby write a record of my own resolution process.First of all, I see from the

In this tutorial, you will learn about IBMInformix database tools, database monitoring utilities, and how to diagnose problems. Learn how to use the system monitoring interface (SMI) and SQL management API. This tutorial helps you prepare for part 1

I. IntroductionConcurrency Control refers to the mechanism for standardizing concurrent operations on databases in a multi-user environment. The objective is to avoid data loss and modification, read dirty data, and non-repeated read, so as to

Comparison of concurrency control (LOCK) between DB2 and Oracle Comparison of concurrency control (LOCK) between DB2 and Oracle 1 Introduction The minimal recovery and transaction units in relational databases (DB2, Oracle, Sybase, Informix, and

1 Introduction The minimal recovery and transaction units in relational databases (DB2, Oracle, Sybase, Informix, and SQL Server) are a transaction (Transactions). Transactions are ACID (atomicity, consistency, isolation, and durability) feature. In