Batch operations on databases to improve database efficiency

Source: Internet
Author: User
For example, there is an ArrayListalnewArrayList (); al stores several user objects: After the database connection is obtained, execute the following operations: Statementstct. createStatement (); for (inti0; ial. size (); I) {Useru (User) al. get (I); sm. addBatch (insertintouservalues

For example, there is an ArrayList al = new ArrayList (); al stores several user objects: After the database connection is obtained, execute the following operations: Statement st = ct. createStatement (); for (int I = 0; ial. size (); I) {User u = (User) al. get (I); sm. addBatch (insert into user values

For example, there is an ArrayList al = new ArrayList ();

Al contains several user objects:

After obtaining the database connection, perform the following operations:

Statement st = ct. createStatement ();

For (int I = 0; I

User u = (User) al. get (I );

Sm. addBatch ("insert into user values ('" + u. getUsername + "','" + u. getPasswd () + "','" + u. getGrade () + "')");

}

Sm.exe cuteBatch ();

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