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½ñÌìÓиöÅóÓѲâÊÔ SQLite£¬È»ºóµÃ³öµÄ½áÂÛÊÇ£ºSQLite ЧÂÊÌ«µÍ£¬ÅúÁ¿²åÈë1000Ìõ¼Ç¼£¬¾ÓÈ»ºÄʱ 2 ·ÖÖÓ£¡
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using System.Data;
using System.Data.Common;
using System.Data.SQLite;
// ´´½¨Êý¾Ý¿âÎļþ
File.Delete("test1.db3");
SQLiteConnection.CreateFile("test1.db3");
DbProviderFactory factory = SQLiteFactory.Instance;
using (DbConnection conn = factory.CreateConnection())
{
// Á¬½ÓÊý¾Ý¿â
conn.ConnectionString = "Data Source=test1.db3";
conn.Open();
// ´´½¨Êý¾Ý±í
string sql = "create table [test1] ([id] INTEGER PRIMARY KEY, [s] TEXT COLLATE NOCASE)";
DbCommand cmd = conn.CreateCommand();
cmd.Connection = conn;
cmd.CommandText = sql;
cmd.ExecuteNonQuery();
// Ìí¼Ó²ÎÊý
cmd.Parameters.Add(cmd.CreateParameter());
// ¿ªÊ¼¼ÆÊ±
Stopwatch watch = new Stopwatch();
watch.Start();
// Á¬Ðø²åÈë1000Ìõ¼Ç¼
for (int i = 0; i < 1000; i++)
{
cmd.CommandText = "insert into [test1] ([s]) values (?)";
cmd.Parameters[0].Value = i.ToString();
cmd.ExecuteNonQuery();
}
// Í£Ö¹¼ÆÊ±
watch.Stop();
Console.WriteLine(watch.Elapsed);
}
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using System.Data;
using System.Data.Common;
using System.Data.SQLite;
// ´´½¨Êý¾Ý¿âÎļþ
File.Delete("test1.db3");
SQLiteConnection.CreateFile("test1.db3");
DbProviderFactory factory = SQLiteFactory.Instance;
using (DbConnection conn = factory.CreateConnection())
{
// Á¬½ÓÊý¾Ý¿â
conn.ConnectionString = "Data Source=test1.db3";
conn.Open();
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import android.content.Context;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteOpenHelper;
import android.database.sqlite.SQLiteDatabase.CursorFactory;
public class DataBaseOpenHelper extends SQLiteOpenHelper {
public static fi ......
1. ÏÂÔØ×îаæ SQLite (sqlite-3_6_23_1), copyµ½C:\ÏÂ.
2. н¨Êý¾Ý¿â:
C:\>sqlite3.exe "d:\testdb.db"
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SQLite version 3.1.3
Enter ".help" for instructions
sqlite>
4.½¨Ò»¸öÃû½ÐfilmµÄÊý¾Ý¿â±í
create table film(title, length, year, starring);
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