This article is a MySQL database insert, UPDATE, delete and replace statements in the use of detailed analysis of the introduction, the need for friends to refer to the
MySQL database insert and UPDATE statements Introduction: The SQL used to
Usage of INSERT, UPDATE, DELETE, and REPLACE statements in MySQL database bitsCN.com
MySQL database insert and update statementsThe SQL statements used to operate databases are generally divided into two types: Query statements, SELECT statements,
MySQL database insert and update statementsThe SQL statements used to operate databases are generally divided into two types: Query statements, SELECT statements, and update statements, which are also called data operation statements. The
This article is a detailed analysis of the use of the MySQL database insert, UPDATE, delete, and replace statements, the need for a friend referenceMySQL database insert and UPDATE statementsCitation: SQL used to manipulate the database is generally
MySQL database insert and update statementsThe SQL statements used to operate databases are generally divided into two types: Query statements, SELECT statements, and update statements, which are also called data operation statements. The
MySQL database insert and UPDATE statementsIntroduction: The SQL used to manipulate the database is generally divided into two kinds, one is the query statement, that is, we call the SELECT statement, the other is to update the statement, also known
MySQL replace into and on duplicate key update test notesMysql> CREATE TABLE tbl_insert_tmp (ID int (5), Addr_number Int (ten), name varchar, primary key (ID), unique key Udx_add R_number (Addr_number));Query OK, 0 rows affected (0.05 sec)Mysql>
1. insert: (1) Insert multiple records simultaneously Insert into tab (col1, col2, col3) values (a1, a2, a3), (b1, b2, b3), (c1, c2, c3); compared to multiple insert records, this method reduces the number of SQL Analysis and Optimization times,
Original link: http://www.jb51.net/article/47090.htm Today listen to colleagues about Oracle to MySQL data migration, he used insert into ... on duplicate key Update ..., I was thinking how not to replace it, so I came back to look carefully, they
Replace, concat, and cast character string functions in mysql need to export a personal information of job-seeking users. This information requires three-table joint query requirements: birthdate format: 1990.01.02 Database: Gender display: men and
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.