MySQL - Inserting Multiple Rows Tutorials
Martian', '42 Galaxy Way', 'New York', 'NY', '11213', 'USA' ); Here a single INSERT statement has multiple sets of values, each enclosed within parentheses, and separated by commas. Improving INSERT Performance This technique can improve the performance of your database possessing, as MySQL will process multiple insertions in a single INSERT faster than it will multiple INSERT statements
Three tips for using Oracle insert syntax to insert multiple rows
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I need to add multiple entries with the same data into sql table in a single instance, with the help of a field entry (to determine the number of times the data have to be inserted) in the form itself. A better idea would be to join and form a single query statement and run it as a single Query to insert all the records together.INSERT statements that use VALUES syntax can insert multiple rows
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MySQL :: MySQL 5.0 Reference Manual :: 8.2.2.1 Speed of INSERT Statements
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
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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insert multiple rows via a php array into mysql - Stack Overflow
If you have lots of columns to put together, and one or more are very long, you could also build an inner loop to do the same thing and use implode() to assign the values clause to the outer array. The fastest and most memory efficient way to build a large string, such as for inserting hundreds of rows at one, is to take advantage of the implode() function and array assignment
mysql - Which is faster: multiple single INSERTs or one multiple-row INSERT? - Stack Overflow
It was written in such a way as to allow me to dynamically adjust the number of VALUE blocks per prepared INSERT (ie, insert n rows at a time, where I could adjust the value of n before a run.) I also ran the test multiple times for each n. Using multiple threads muddies things a bit because some versions of MySQL have working group-commit in innodb - this means that multiple threads doing their own commits can share a single write to the transaction log, which is good because it means fewer syncs to persistent storage
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