How to add a where clause in a MySQL Insert statement?
2010年2月28日 · A conditional insert for use typically in a MySQL script would be: insert into t1(col1,col2,col3,...) select val1,val2,val3,... from dual where [conditional predicate]; You need to use dummy table dual. In this example, only the second …
sql - MySQL INSERT INTO ... VALUES and SELECT - Stack ... - Stack …
2013年3月20日 · Is there a way to insert pre-set values and values I get from a select-query? For example: INSERT INTO table1 VALUES ("A string", 5, [int]).
mysql - Which is faster: multiple single INSERTs or one multiple …
2009年11月24日 · The code I wrote for this benchmark in C# uses ODBC to read data into memory from an MSSQL data source (~19,000 rows, all are read before any writing commences), and the MySql .NET connector (Mysql.Data.*) stuff to INSERT the data from memory into a table on a MySQL server via prepared statements.
MySQL - how many rows can I insert in one single INSERT …
2010年8月21日 · You can insert an infinite number of rows with one INSERT statement. For example, you could execute a stored procedure that has a loop executed a thousand times, each time running an INSERT query. Or your INSERT could trip a trigger which itself performs an INSERT. Which trips another trigger. And so on.
Get Insert Statement for existing row in MySQL - Stack Overflow
2010年10月20日 · In MySQL Workbench you can export the results of any single-table query as a list of INSERT statements. Just run the query, and then: click on the floppy disk near Export/Import above the results; give the target file a name; at the bottom of the window, for Format select SQL INSERT statements; click Save; click Export
How to insert data to MySQL with auto-incremented column (field)?
Fail to insert data into mysql table using python script 0 Advice on structure of an archive table and use of AUTO_INCREMENT, with potential for reinsertion to original table
How to improve INSERT performance on a very large MySQL table
This is usually 20 times faster than using INSERT statements. Take advantage of the fact that columns have default values. Insert values explicitly only when the value to be inserted differs from the default. This reduces the parsing that MySQL must do and improves the insert speed. Reference: MySQL.com: 8.2.4.1 Optimizing INSERT Statements
Insert into a MySQL table or update if exists - Stack Overflow
2010年11月17日 · The INSERT statement allows you to insert one or more rows into a table. First, specify the table name and a list of comma-separated columns inside parentheses after the INSERT INTO clause. Secondly, put a comma-separated list of values of the corresponding columns inside the parentheses following the VALUES keyword.
Insert current date/time using now() in a field using MySQL/PHP
Since MySQL evidently cannot automatically insert the function now() in a datetime field in adding new records like some other databases, based on comments, I'm explicitly trying to insert it using...
C# with MySQL INSERT parameters - Stack Overflow
2013年4月23日 · I was facing very similar problem while trying to insert data using mysql-connector-net-5.1.7-noinstall and Visual Studio(2015) in Windows Form Application. I am not a C# guru. So, it takes around 2 hours to resolve everything.