有没有人能帮我把SQL Server CAST转成text数据类型?我正在尝试使用CAST函数显示长文本,但如果我从多个表中检索,它将不起作用。也许我创建的语句不正确。
$from = 'RealEstate AS RE, Models AS M, Catalogue AS C';
$select = 'CAST(RE.Details AS TEXT) AS RE.Details, RE.Postcode, RE.Suburb,
M.ModelName, M.ModelID, RE.HouseID, RE.ContactName, RE.ContactPho
我有个关于旋转Android设备的问题。我的代码在onCreate(.)中记录静态和非静态属性。
import android.app.Activity;
import android.os.Bundle;
import android.util.Log;
public class MainActivity extends Activity {
static int sn;
int n;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(sav
我刚刚把一个RDS实例转成了一个Postgresql数据库。数据库创建成功,我可以连接了。问题是当我运行这段代码时:
CREATE SCHEMA hollywood;
CREATE TABLE films (title text, release date, awards text[]);
SELECT * FROM hollywood.films;
这是我得到的输出:
Schema hollywood created
Table films created
An error occurred when executing the SQL command:
SELECT * FROM holl
这是我使用的命令:
mysql> mysql -u root -p -h HOST sample < mysqldump.sql;
但我遇到了如下错误:
ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'mysql -u root -p -h HOST sample < mysqldump.sql' at
我有一个像这样的2 661,38 €字符串,我需要回显661,38,但是我无法找到解决方案
我已经完成了以下代码:
$connection=mysql_connect('localhost','root','****') or die(mysql_error());
mysql_select_db('DB',$connection) or die(mysql_error());
$sql = mysql_query("select distinct prod_price COL from TABLE")
我用Oracle写了这段代码,但是把它放在MySQL里,我得到了一个错误。
SQL查询:文档
Select idan
From Certificare
Having count(idav)=3
Group by idan
LIMIT 0, 25
MySQL说:文档
#1064 - You have an error in your SQL syntax; check the manual that corresponds to your MySQL server versi