what is best nosql database

I received a lot of data from the front-end, such as A1, B1, A2, and B2... the properties of A (time) and B (content) are the same. in the database, I only want to use A text field to store it. Therefore, they need to be separated by characters, split the string when using it, but I don't know what character to use. I am afraid of this... I received a lot of data from the front-end, such as A1, B1, A2, and

With the rise of DB2, many users of other databases, such as oracle, have switched to DB2. So what are the advantages and attractiveness of the DB2 database? This article will help you answer your questions. DB2 is a product of IBM. It supports various operating platforms from PC to UNIX, from minicomputers to mainframes, from IBM to non-IBMHP and sun unix syste

　　Due to work needs, just beginning to contact the Oracle database, completely small white, download time to see the database and the client two types can be downloaded, for a moment I do not know how to be good, so the online inquiry to know the difference, here record their ignorance.　　"Database is the databases that

This chapter mainly covers WebStorage and local databases. Among them, WebStorage is the optimization of cookies. The local database is a new function of HTML5. using it, you can create a database on the client, which greatly reduces the burden on the server, accelerate Data Access Preface This chapter mainly covers We

We want to create a database of user image analysis, the main information content and is the user's personal information and purchase order information, order turnover these. Now want to export these data, re-storage, do a portrait analysis, but hundreds of thousands of of the amount of data in a table, the response is too slow, but according to the product typ

Here's what the code does today: 1. Read data from a database 2. Determine the value and process the following business logic based on the result of the decision Step1: Field read from database: Table $table_name, ID field data type is int Select Id from $table _name $id = $value [' id ']; Step2: Judgment Value:

What kind of audit trail is supported in a 12c database?From: What Audit Trail Types is supported for A 12c Database?(Document ID 1986609.1)Suitable for:Oracle Audit Vault and Database

After so many years of database development, I have experienced the hardships and gained a lot of experience and knowledge. I have been thinking about how to enable programmers to write programs easily and happily, this service enables users to continuously improve their user experience. On the one hand, they are constantly paying attention to the development of domestic and foreign industries, and SSH is b

What is the error? why can't I add only one message to the database using thinkphp PHPcodepublicfunctioninsert () {$ guest = M ( quot; Author quot? what is the error, why can't I add only one piece of information to the database

What is the maximum length supported by the Oracle database table name? This article describes the maximum length that can be used by a table name in the Oralce database. The length is also the maximum length of the Oracle identifier, which

Win8 operating system with IE browser, if you encounter the problem of IE failure, need to do some simple settings, the setup process found that there is a "allow the Web site to use the cache and database" option, as if the hook or not checked this option does not affect IE use. So what does the WIN8 system IE Browser "allow Web sites to use caching and

Windows Server PHP environment mysql5.5.37 Apache Server An empty content for a user with id 0 is inexplicably found in the article form of the database The user ID is the title of the 0 article, the body, and the creation time is null The user ID in the data is starting

In the actual development of small and medium-sized websites, what kind of computing is used to connect to the MySQL database? it is a traditional mysql function. Or mysqli function Or the PDO interface method. What are the characteristics and applicability of these t

Database Apache Password With Apache as a server, MySQL as a database, all with the root user, password: 123456. What is the reason for the failure to report a connection to the database?It is normal for me to use SQLyog to view t