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Strange SQLAlchemy error message: TypeError: 'dict' object does not support indexing
I am using hand crafted SQL to fetch data from a PG database, using SqlAlchemy. I am trying a query which contains the SQL like operator '%' and that seems to throw SqlAlcjhemy through a loop:
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SQL how to make null values come last when sorting ascending
I have a SQL table with a datetime field. The field in question can be null. I have a query and I want the results sorted ascendingly by the datetime field, however I want rows where the datetime field is null at the end of the list, not at the beginning.
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Cannot resolve the collation conflict between “SQL_Latin1_General_CP1_CI_AS” and “Latin1_General_CI_
...ith (as follows): DECLARE @Table TABLE (CompareMessage VARCHAR(50) COLLATE SQL_Latin1_General_CP1_CI_AS NOT NULL)
– FrostbiteXIII
Jun 23 '14 at 10:57
1
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Altering a column to be nullable
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Assuming SQL Server (based on your previous questions):
ALTER TABLE Merchant_Pending_Functions ALTER COLUMN NumberOfLocations INT NULL
Replace INT with your actual datatype.
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SQL SERVER: Get total days between two dates
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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);
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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
卸载SQL Server2000后不能再次安装的问题解决方法 - 爬虫/数据库 - 清泛IT...
曾经由于磁盘空间的问题，卸载了SQL Server2000，可当再次要把它安装上的时候，却怎么也不行了。无论是安装哪一个版本，永远都是同样的错误提示，说是有一个文件已经挂起，必须重新启动计算机。那okay啦，重新启动，再次安...
常用Sql - 爬虫/数据库 - 清泛IT社区，为创新赋能！
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...
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
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How do I list all tables in a schema in Oracle SQL?
How do i list all tables in a schema in Oracle SQL?
14 Answers
14
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