MongoDB

This is the first of a series of MongoDB learning notes, mainly about what is non-relational database MongoDB, how to download, where to download, and how to properly install a series of problems. First, the preface has recently started to learn the

CharacteristicsEvery document in a modeless MongoDB is a JSON object, so you don't have to predefine the structure of a collection, and each document in the collection can have a different structure.Asynchronously writes to MongoDB by default all

Http://www.lanceyan.com/tech/mongodb_repset2.htmlIn the previous article, "Building a high-availability MongoDB cluster (ii)-Replica set" describes the configuration of the replica set, which delves into the internal mechanisms of the replica set.

This article mainly tells you about the two DB connection methods provided by the DB2 database: type1 and type2. In the type1 connection, connect will disconnect the connected DB2, A transaction can only connect to one database. In the type2

The following articles mainly describe the four things that must be paid attention to when importing DB2 data. In the early stage of putting the database into production, the database administrator usually needs to import a large amount of data to

The following articles mainly describe the correct solution for the high availability of DB2 9.5. If you are interested in the correct solution for the high availability of DB2 9.5, you can click to view the following articles. The following is a

The following articles mainly analyze the practical skills of the DB2 unlimited activity log policy correctly. When the database is created for the first time, there are three log files called the main log files, assigned as part of the creation

This article mainly introduces the detailed analysis of the advantages of the DB2 9 database. We all know that XML is a flexible language to use. Users can tag their own tags to define their data types. You can define the principle or attribute name

Today, we will focus on the actual operation steps for correctly implementing the full DB2 dual-host HA solution on the Linux operating system, the following is a detailed description of the actual operation steps for correctly implementing the full

The following articles mainly describe what DB2 should do when implementing backup. We are talking about the backup of a pure DB2 database. If you want to use dedicated software for dual-host real-time hot backup, generally, the backup command is

The following articles mainly describe the basic knowledge of the memory required by the DB2 9 database and related disk conditions, the following is a detailed description of the memory and disk conditions required by the DB2 9 database. We hope

This article mainly introduces how to correctly improve the efficiency of DB2 data backup and recovery, including understanding the logical storage structure of data and rational planning of tablespaces to improve database backup and recovery

This article mainly tells you about the correct analysis of the DB2 Capture program in expert Q & A. We all know that the DB2 Capture program is a very critical application, the actual solution for database replication is particularly outstanding.

This article describes some common techniques to improve data backup and recovery efficiency. If you are confused about the backup and recovery of the DB2 database, you can take a look at it and it will be helpful. If it takes several hours to back

This article describes how to install and uninstall a DB2 database in a linux environment for your reference. Install db2 express_c 9.5 on redhat linux enterpise v5 on the VM 1. Upload the db2 linux installation package to the linux server through

If you are new to the DB2 database, you need to know the log types in the DB2 database. The following describes the log types in the DB2 database for your reference, hope to help you. 1. Log Type 1.1 Activity log active log) This function is

This article will introduce you to an example of using dynamic cursors in a DB2 stored procedure. If you are interested in using dynamic cursors, it may be helpful for you to learn how to use DB2. Create procedure data_wtptest (IN

The following articles mainly introduce the DB2 database lock table problem. In actual operations, if the center queries data, pay attention to it. If interactive data query is used, the command center will apply the s lock to the queried records.

To learn how to use a DB2 database, DB2 cursors must be mastered. We will introduce the definition and usage of DB2 cursors in detail and give examples to help you understand them. Define a cursor:Declare cursor name CURSORSelect statement; Open

I haven't sent any text for a long time. Send one! See the official documentation: http://pic.dhe.ibm.com/infocenter/db2luw/v9r7/index.jsp? Topic=%2Fcom.ibm.db2.luw.admin.ha.doc%2Fdoc%2Fc0024701.html Use the user exit program to automatically