Home Database Mysql Tutorial SQL导入txt以及SQL中的时间格式操作

SQL导入txt以及SQL中的时间格式操作

Jun 07, 2016 pm 04:33 PM
sql

load data local infile 路径名称 into table 表名 比如我文件的具体位置为f:\\dataset\\beijing\\xx.txt,创建的表名为p

load data local infile "路径名称" into table "表名"

比如我文件的具体位置为"f:\\dataset\\beijing\\xx.txt",创建的表名为"person",则上述指令的具体表达为:

load data local infile "f:\\dataset\\beijing\\xx.txt" into table person;

如果你的txt数据包含多行,每一行字段之间的间隔为逗号(“,”),如图所示。

SQL导入txt以及SQL中的时间格式操作

你需要在读入时指定分隔符逗号,如下图所示。

SQL导入txt以及SQL中的时间格式操作

 

查看读入的数据,如下图所示。

SQL导入txt以及SQL中的时间格式操作

see,共读入18条数据,跟txt中的文件一样。

MySQL中的日期格式化操作

常用的字符串格式化为:

年份

%Y  四位数字表示的年份

%y  两位数字表示的年份

如下图所示,获取当前系统时间并格式化显示。当输入为%Y时,显示的是四位时间2015。当输入为%y时,显示的是两位时间15。

SQL导入txt以及SQL中的时间格式操作

月份

%m  两位数字表示的月份(01,02,03,···,12)

%c    数字表示的月份(1,2,3,···,12)

%b    缩写的月份(Jan,Feb,···,Dec)

%M    月名(January,February,···,December)

如下图所示。输入%y-%M时,显示的是12-January(两位年份,月名,其中‘-’为分隔符)。输入%m时,显示为两位数字月份。输入%c时,显示为数字(一位和两位)。输入%b时,显示的为缩写的月份。

SQL导入txt以及SQL中的时间格式操作

天数

%d  两位数字的天数(01,02,···,31)

%e  数字形式的天数(1,2,,···,31)

如下图所示。当输入%e时,显示数字形式。当输入%d时,显示两位数字的天数。

SQL导入txt以及SQL中的时间格式操作

时间

%l  数字形式的小时,12小时(1,2,3,···,12)

%k  数字形式的小时,24小时(0,1,2,···,23)

%H  两位数字形式的小时,24小时

%h  两位数字形式的小时,12小时

%I,%i  两位数字形式的分(00,01,···,59)

%S,%s  两位I数字形式的秒(00,01,02,···,59)

%p  上午(AM)、下午(PM)

如下图所示。

SQL导入txt以及SQL中的时间格式操作

--------------------------------------分割线 --------------------------------------

Ubuntu 14.04下安装MySQL

《MySQL权威指南(原书第2版)》清晰中文扫描版 PDF

Ubuntu 14.04 LTS 安装 LNMP Nginx\PHP5 (PHP-FPM)\MySQL

Ubuntu 14.04下搭建MySQL主从服务器

Ubuntu 12.04 LTS 构建高可用分布式 MySQL 集群

Ubuntu 12.04下源代码安装MySQL5.6以及Python-MySQLdb

MySQL-5.5.38通用二进制安装

--------------------------------------分割线 --------------------------------------

本文永久更新链接地址:

Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn

Hot AI Tools

Undresser.AI Undress

Undresser.AI Undress

AI-powered app for creating realistic nude photos

AI Clothes Remover

AI Clothes Remover

Online AI tool for removing clothes from photos.

Undress AI Tool

Undress AI Tool

Undress images for free

Clothoff.io

Clothoff.io

AI clothes remover

Video Face Swap

Video Face Swap

Swap faces in any video effortlessly with our completely free AI face swap tool!

Hot Article

Roblox: Bubble Gum Simulator Infinity - How To Get And Use Royal Keys
3 weeks ago By 尊渡假赌尊渡假赌尊渡假赌
Mandragora: Whispers Of The Witch Tree - How To Unlock The Grappling Hook
3 weeks ago By 尊渡假赌尊渡假赌尊渡假赌
Nordhold: Fusion System, Explained
3 weeks ago By 尊渡假赌尊渡假赌尊渡假赌

Hot Tools

Notepad++7.3.1

Notepad++7.3.1

Easy-to-use and free code editor

SublimeText3 Chinese version

SublimeText3 Chinese version

Chinese version, very easy to use

Zend Studio 13.0.1

Zend Studio 13.0.1

Powerful PHP integrated development environment

Dreamweaver CS6

Dreamweaver CS6

Visual web development tools

SublimeText3 Mac version

SublimeText3 Mac version

God-level code editing software (SublimeText3)

Hot Topics

Java Tutorial
1669
14
PHP Tutorial
1273
29
C# Tutorial
1256
24
What is the difference between HQL and SQL in Hibernate framework? What is the difference between HQL and SQL in Hibernate framework? Apr 17, 2024 pm 02:57 PM

HQL and SQL are compared in the Hibernate framework: HQL (1. Object-oriented syntax, 2. Database-independent queries, 3. Type safety), while SQL directly operates the database (1. Database-independent standards, 2. Complex executable queries and data manipulation).

Usage of division operation in Oracle SQL Usage of division operation in Oracle SQL Mar 10, 2024 pm 03:06 PM

"Usage of Division Operation in OracleSQL" In OracleSQL, division operation is one of the common mathematical operations. During data query and processing, division operations can help us calculate the ratio between fields or derive the logical relationship between specific values. This article will introduce the usage of division operation in OracleSQL and provide specific code examples. 1. Two ways of division operations in OracleSQL In OracleSQL, division operations can be performed in two different ways.

Comparison and differences of SQL syntax between Oracle and DB2 Comparison and differences of SQL syntax between Oracle and DB2 Mar 11, 2024 pm 12:09 PM

Oracle and DB2 are two commonly used relational database management systems, each of which has its own unique SQL syntax and characteristics. This article will compare and differ between the SQL syntax of Oracle and DB2, and provide specific code examples. Database connection In Oracle, use the following statement to connect to the database: CONNECTusername/password@database. In DB2, the statement to connect to the database is as follows: CONNECTTOdataba

Detailed explanation of the Set tag function in MyBatis dynamic SQL tags Detailed explanation of the Set tag function in MyBatis dynamic SQL tags Feb 26, 2024 pm 07:48 PM

Interpretation of MyBatis dynamic SQL tags: Detailed explanation of Set tag usage MyBatis is an excellent persistence layer framework. It provides a wealth of dynamic SQL tags and can flexibly construct database operation statements. Among them, the Set tag is used to generate the SET clause in the UPDATE statement, which is very commonly used in update operations. This article will explain in detail the usage of the Set tag in MyBatis and demonstrate its functionality through specific code examples. What is Set tag Set tag is used in MyBati

What does the identity attribute in SQL mean? What does the identity attribute in SQL mean? Feb 19, 2024 am 11:24 AM

What is Identity in SQL? Specific code examples are needed. In SQL, Identity is a special data type used to generate auto-incrementing numbers. It is often used to uniquely identify each row of data in a table. The Identity column is often used in conjunction with the primary key column to ensure that each record has a unique identifier. This article will detail how to use Identity and some practical code examples. The basic way to use Identity is to use Identit when creating a table.

How to solve the 5120 error in SQL How to solve the 5120 error in SQL Mar 06, 2024 pm 04:33 PM

Solution: 1. Check whether the logged-in user has sufficient permissions to access or operate the database, and ensure that the user has the correct permissions; 2. Check whether the account of the SQL Server service has permission to access the specified file or folder, and ensure that the account Have sufficient permissions to read and write the file or folder; 3. Check whether the specified database file has been opened or locked by other processes, try to close or release the file, and rerun the query; 4. Try as administrator Run Management Studio as etc.

How to use SQL statements for data aggregation and statistics in MySQL? How to use SQL statements for data aggregation and statistics in MySQL? Dec 17, 2023 am 08:41 AM

How to use SQL statements for data aggregation and statistics in MySQL? Data aggregation and statistics are very important steps when performing data analysis and statistics. As a powerful relational database management system, MySQL provides a wealth of aggregation and statistical functions, which can easily perform data aggregation and statistical operations. This article will introduce the method of using SQL statements to perform data aggregation and statistics in MySQL, and provide specific code examples. 1. Use the COUNT function for counting. The COUNT function is the most commonly used

Database technology competition: What are the differences between Oracle and SQL? Database technology competition: What are the differences between Oracle and SQL? Mar 09, 2024 am 08:30 AM

Database technology competition: What are the differences between Oracle and SQL? In the database field, Oracle and SQL Server are two highly respected relational database management systems. Although they both belong to the category of relational databases, there are many differences between them. In this article, we will delve into the differences between Oracle and SQL Server, as well as their features and advantages in practical applications. First of all, there are differences in syntax between Oracle and SQL Server.

See all articles