mysql where datetime today

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Description of whether the MySQL time field uses INT or DateTime _ PHP Tutorial

Description of whether the MySQL time field uses INT or DateTime. When parsing DEDECMS today, we found that the MYSQL time fields of deder all use 'senddata' int (10) unsignedNOTNULLDEFAULT0. then we found this article online, it seems that if the

Description of whether the MySQL time field uses INT or DateTime

When parsing DEDECMS today, we found that the MYSQL time fields of deder use the INT type, and then we found this article online. it seems that if the time field is involved in the calculation, it would be better to use the int type, first, you do

Description of whether the MySQL time field uses INT or DateTime

When parsing DEDECMS today, we found that deder's MYSQL time fields are all used 'Senddata' int (10) unsigned not null default '0 '; Later, I found this article on the Internet. It seems that if the time field is involved in the

MySQL time field using int or datetime description _php Tips

Today, when parsing dedecms found Deder mysql Time field, are used ' SendData ' int (a) unsigned not NULL DEFAULT ' 0 '; Then find this article on the Internet, it seems that if the time field has participated in the

MySQL date plus and minus operations

MySQL Date TypeMySQL Date Type: Date format, occupied storage space, date range comparison.Date type storage space Date format date range------------  ---------   --------------------- -----------------------------------------DateTime 8 bytes

MySQL Date data type and time type usage Summary

Turn from:http://blog.chinaunix.net/space.php?uid=11327712&do=blog&id=32416MySQL Date Type: Date format, occupied storage space, date range comparison.Date type storage space date format date range-----------------------------------------------------

Batch export MYSQL database logs using shell scripts

Shell script batch export MYSQL database logs automatically export MYSQL binary logs locally, backed up by day Mysqlbinlog A tool that reads statements from binary logs. Logs of executed statements contained in the binary log file can be used to

Batch export MYSQL database logs using shell scripts

MysqlbinlogA tool that reads statements from binary logs. Logs of executed statements contained in the binary log file can be used to help recover from a crash. I. MYSQL database logs:1. error log:-log-error2. query logs:-log3. slow query

The time function of MySQL

From_unixtime () is the time function in MySQLDate is the parameter that needs to be processed (the parameter is a UNIX timestamp), can be a field name, or it can be a Unix timestamp stringThe following '%y%m%d ' is primarily the formatting of the

How to query data of mysql today, yesterday, last 7 days, last 30 days, last month, and last month

Mysql query method analysis summary: In other words, the article table article stores the time when an article is added as the add_time field, which is of the int (5) type, to query the total number of articles added today in descending order of

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