Wednesday, 22 July 2015

Mysql insert into two tables with one statement

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  http://php.net/manual/en/function.mysql-insert-id.php
There's also nothing wrong with the main competetive idea, which is for the database to supply a primitive sequence of non-repeating identifiers, typically integers. This is the only way I found to make this work so I can use my customer number and the record number to provide a truly unique customer number that is also useful

Insert Into SQL - Add Data (MySQL Tutorial)


  http://php.about.com/od/learnmysql/ss/mysql_data.htm
Share on Facebook Pin to Pinterest 3 of 4 Show All 1 Insert Into SQL - Add Data 2 SQL Update Command - Update Data 3 4 SQL Delete Statement - Removing Data 4 of 4 SQL Delete Statement - Removing Data Often you need to remove old information from your database. Share on Facebook Pin to Pinterest 1 of 4 Show All 1 2 SQL Update Command - Update Data 3 SQL Select Statement - Searching Data 4 SQL Delete Statement - Removing Data 2 of 4 SQL Update Command - Update Data Often it is necessary to change the data you have in your database

php - MySQL Insert into multiple tables? (Database normalization?) - Stack Overflow


  http://stackoverflow.com/questions/5178697/mysql-insert-into-multiple-tables-database-normalization
INSERT IGNORE INTO users (username, password) SELECT username, password FROM tmp; Here "IGNORE" can be used, if you allow some users already to be inside. If however you decide "either all queries finish, or none finish - I do not want rows in some tables but no matching rows in others, I always want my database tables to be consistent", you need to wrap all statements in a transaction

MySQL :: MySQL 5.1 Reference Manual :: 8.2.2.1 Speed of INSERT Statements


  http://dev.mysql.com/doc/refman/5.1/en/insert-speed.html
You can use the following methods to speed up inserts: If you are inserting many rows from the same client at the same time, use INSERT statements with multiple VALUES lists to insert several rows at a time. A select on primary key (which should take close to 0 seconds) takes up to 0.2 seconds when my loader is busy loading batches of 1000 rows.A very good workaround is to put the new rows into a temp table, then flush that table every now and then in a single tansaction

MySQL :: MySQL 5.1 Reference Manual :: 13.2.5 INSERT Syntax


  http://dev.mysql.com/doc/refman/5.1/en/insert.html
The columns for which the statement provides values can be specified as follows: You can provide a comma-separated list of column names following the table name. SELECT, the statement returns an information string in this format: Records: 100 Duplicates: 0 Warnings: 0 Records indicates the number of rows processed by the statement

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