mysql table valued function

Date and Time functionsThis chapter discusses some functions that can be used to manipulate time values. See section 11.3, "Date and Time type" for valid formats for each time and date type with a range and a specified value. The following example

Currently, MySQL databases are widely used in many OLTP scenarios, and there are many different ways to use them. From the database business requirements, architecture design, operational maintenance, and then to the expansion of the migration,

MySQL Error: (2006, ' MySQL server has gone away ') the problem is that the client and MySQL server link between the broken. The reason for this is that the SQL operation is typically too long, or that the data being transmitted is too large (for

1 Character Set issuesProblem: Executing the./manage.py createdb command in Django appears:Django.db.utils.OperationalError: (1366, "Incorrect string value: ' \\xC4\\x9A\\xC2\\x81vi ... ' for column ' file ' at row 1" )To view the MySQL

Applications (such as PHP) execute MySQL statements in batches for a long time. Execute an SQL statement, but the SQL statement is too large or the statement contains blob or longblob fields. For example, processing image data. MySQL server has gone

　 Oracle Mysql Compare versions Release 10.2.0.1.0 XE windowsxp 5.0.45-community-nt-log MySQL Community Edition (GPL) As a calculator Sql> Select from dual; Mysql> Select; Mysql>

DongdongzzcsThe 1th page:"IT168 Zhuangao" the author of this article, Daniel Nichter, is the developer of the MySQL tool, who recommended 10 essential tools for MySQL administrators. The following is the full text content:MySQL is a complex system

Http://www.169it.com/article/3219955334.htmlSQL statements Use Basic principles: 1. To optimize the query, avoid full table scan as far as possible, and first consider indexing on the columns involved in where and order by. 2. You should try to

C api-read MySQL database content in C language on Linux If you want to know how to operate databases in C language, you must understand the meanings of these structures. Here is a brief introduction. If you want to learn more deeply, you can search

This article is "high-performance MySQL" Reading notes Slow Query Basics: Optimizing data accessThe most basic reason for poor query performance is that there is too much data to access. For inefficient queries, we found that the following two