tamagotchi 1990

This article mainly introduces the method for calculating the precision of php age to year, month, and day. it involves the related skills of php operation date and string, which is very simple and practical, for more information, see the example in this article. Share it with you for your reference. The details are as follows: '; Foreach ($ test as $ v) {$ tmp = $ cage-> calAge ($ v); echo $ v,': ', $ tmp ['Year'], 'year', $ tmp ['month'], 'month', $ tmp ['day'], 'day ',';', $ tmp ['not _ bir

In the end, it is still open-source software. MySQL's support for composite partitions is far from that of Oracle. In MySQL, only the RANGE and LIST subpartitions are supported, and the subpartition type can only be HASH and KEY. For example, CREATETABLEts (idINT, purchasedDATE)... is still open-source software. MySQL does not support multiple partitions in Oracle. In MySQL 5.6, only the RANGE and LIST subpartitions are supported, and the subpartitions can only be HASH and KEY types. For ex

Reference website ManualCheck whether partitions are supported:Show plugins;If you see aPartition ACTIVE, this means that the partition is supportedPartition type:Range: Use the value in the specified column as the interval rangeList: Similar to range, the difference is that it matches a specified column valueHash: is a user-defined function that evaluates the value of a column after the return result determines which partition to save inKey value: Similar to hash, evaluated based on one or more

MySQL composite partition and mysql composite Partition In the end, it is still open-source software. MySQL's support for composite partitions is far from that of Oracle. In MySQL 5.6, only the RANGE and LIST subpartitions are supported, and the subpartitions can only be HASH and KEY types. For example: CREATE TABLE ts (id INT, purchased DATE) PARTITION BY RANGE( YEAR(purchased) ) SUBPARTITION BY HASH( TO_DAYS(purchased) ) SUBPARTITIONS 2 ( PARTITION p0 VALUES LESS THAN (

This is the 100 best fonts ever selected by the German fontshop website.Based on three criteriaSales volume (weight 40%), historical value (weight 30%), and aesthetic value (30%). At the same time, all fonts that participate in the selection are commercial fonts and do not contain free fonts, OS built-in font, and thatFonts used in some standard software (Arial, verdana, etc ). For a list of detailed results, see German version 100 Best fonts (PDF ). Top 30 optimal Fonts 100 Best fonts (includin

IEEE Standards Committee, with the support of ANSI, to develop a formal standard for the operating system service interface for program source code portability. By the April 1986, the IEEE had developed a trial standard. The first formal standard was approved in September 1988 (IEEE 1003.1-1988), and is also a posix.1 standard that is often referred to later. The work of POSIX was transferred to the ISO/IEC community in 1989 and was continued to be established by the 15 working groups as standa

DML languageData Manipulation Language:Inserting: InsertModified: UpdateRemove: Delete#一, insert statement#方式一: Classic Insertion/*Grammar:Insert into table name (column name,...) VALUES (value 1,...);*/SELECT * from Beauty;#1. The type of the inserted value to be consistent or compatible with the type of the columnINSERT into Beauty (id,name,sex,borndate,phone,photo,boyfriend_id)VALUES (13, ' Tang Yixin ', ' female ', ' 1990-4-23 ', ' 1898888888 ', n

: Select Student.num,student.name,people.name,people.age from student left (outer) joins people on Student.name= People.name;18. Right Connection query:Select Table 1. field 1, table 1. Field 2, table 2. Field 1, Table 2. fields from table 2 right (outer) Join table 1 on table 2. field = table 1. field;Example: Select Student.num,student.name,people.name,people.age from Student Right (outer) joins people on Student.name= People.name;19. Full connection query (MySQL does not support full connecti

Check (stuage >=0 and Stuage constraint fk_fcalssid foreign Key (FCLASSID) References ClassInfo (classId) ); --Self-incrementCREATE TABLE Studentinfo (Stuno int NOT NULL generated all as identity (start with 1, increment by 1),Stuname varchar (8) NOT NULL,Stuage int,Stutel Char (8),Fclassid int,Stubirth date NOT NULL,Constraint Pk_stuno primary KEY (Stuno),Constraint un_stuname Unique (stuname),Constraint ch_stuage Check (stuage >=0 and Stuage Constraint Fk_fcalssid foreign KEY (FCLASSID) ref

', 18,10060, ' 1990-09-09 ', ' 2010-12-15 ')Insert into Tblteacher (ttname,ttgender,ttage,ttsalary,ttbirthday,ttjiondate)VALUES (' King II ', ' Male ', 18,10060, ' 1990-09-09 ', ' 2010-12-15 '),(' John Doe ', ' Male ', 18,10060, ' 1990-09-09 ', ' 2010-12-15 '),(' Su Yakun ', ' Male ', 18,10060, ' 1990-09-09 ', ' 2010-