大约有 3,549 项符合查询结果（耗时：0.0253秒） [XML]
SQL Server: What is the difference between CROSS JOIN and FULL OUTER JOIN?
What is the difference between CROSS JOIN and FULL OUTER JOIN in SQL Server?
10 Answers
...
Reading 64bit Registry from a 32bit application
... compiled for AnyCPU. Our build server is a 64bit machine, and has a 64bit SQL Express instance installed.
6 Answers
...
Altering a column to be nullable
...
Assuming SQL Server (based on your previous questions):
ALTER TABLE Merchant_Pending_Functions ALTER COLUMN NumberOfLocations INT NULL
Replace INT with your actual datatype.
...
SQL SERVER: Get total days between two dates
...
SQL Server DateDiff
DECLARE @startdate datetime2 = '2007-05-05 12:10:09.3312722';
DECLARE @enddate datetime2 = '2009-05-04 12:10:09.3312722';
SELECT DATEDIFF(day, @startdate, @enddate);
...
MySql export schema without data
I'm using a MySql database with a Java program, now I want to give the program to somebody else.
13 Answers
...
Plsqldev SQL含中文查无结果 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术
Plsqldev SQL含中文查无结果设置环境变量：NLS_LANG值为：SIMPLIFIED CHINESE_CHINA.ZHS16GBK设置环境变量：NLS_LANG
值为：SIMPLIFIED CHINESE_CHINA.ZHS16GBKPlsqldev 中文 无结果
常用Sql - MySql - 清泛IT论坛，有思想、有深度
本帖最后由 zqp2013 于 2015-3-17 22:06 编辑
mysql：drop table if exists tablename;
不能写成
drop table tablename if exists tablename;
mysql：建立索引Sql
CREATE TABLE tablename (
`ID` &nbs...
SELECT INTO a table variable in T-SQL
...y, from which I would like to insert all rows into a table variable, but T-SQL doesn't allow it.
8 Answers
...
MySQL dump by query
Is it possible to do mysqldump by single SQL query ?
9 Answers
9
...
'0000-00-00 00:00:00' can not be represented as java.sql.Timestamp error
...n use this JDBC URL directly in your data source configuration:
jdbc:mysql://yourserver:3306/yourdatabase?zeroDateTimeBehavior=convertToNull
share
|
improve this answer
|
...