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Using backticks around field names
After reading a couple of answers and comments on some SQL questions here, and also hearing that a friend of mine works at a place which has a policy which bans them, I'm wondering if there's anything wrong with using backticks around field names in MySQL.
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Correct use of Multimapping in Dapper
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I just ran a test that works fine:
var sql = "select cast(1 as decimal) ProductId, 'a' ProductName, 'x' AccountOpened, cast(1 as decimal) CustomerId, 'name' CustomerName";
var item = connection.Query<ProductItem, Customer, ProductItem>(sql,
(p, c) =>...
Insert Update stored proc on SQL Server
...al way to do it and it's called upsert/merge.
Importance of UPSERT - from sqlservercentral.com:
For every update in the case mentioned above we are removing one
additional read from the table if we
use the UPSERT instead of EXISTS.
Unfortunately for an Insert, both the
UPSERT and IF EX...
How to select records from last 24 hours using SQL?
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In MySQL:
SELECT *
FROM mytable
WHERE record_date >= NOW() - INTERVAL 1 DAY
In SQL Server:
SELECT *
FROM mytable
WHERE record_date >= DATEADD(day, -1, GETDATE())
In Oracle:
SELECT *
FROM mytable
WHERE ...
How can I get column names from a table in SQL Server?
...://msdn.microsoft.com/en-us/library/ms176077.aspx
You can also do it by a SQL query. Some thing like this should help:
SELECT * FROM sys.columns WHERE object_id = OBJECT_ID('dbo.yourTableName')
Or a variation would be:
SELECT o.Name, c.Name
FROM sys.columns c
JOIN sys.objects o...
Oracle SQL escape character (for a '&')
While attempting to execute SQL insert statements using Oracle SQL Developer I keep generating an "Enter substitution value" prompt:
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CREATE TABLE IF NOT EXISTS equivalent in SQL Server [duplicate]
CREATE TABLE IF NOT EXISTS works on mysql but fails with SQL Server 2008 R2.
What is the equivalent syntax?
1 Answer
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Correct use of transactions in SQL Server
...beginning of stored procedure one should put SET XACT_ABORT ON to instruct Sql Server to automatically rollback transaction in case of error. If ommited or set to OFF one needs to test @@ERROR after each statement or use TRY ... CATCH rollback block.
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卸载SQL Server2000后不能再次安装的问题解决方法 - 更多技术 - 清泛网 - ...
卸载SQL Server2000后不能再次安装的问题解决方法SQL Server2000 ,卸载问题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...曾经由于磁盘空...
卸载SQL Server2000后不能再次安装的问题解决方法 - 数据库(内核) - 清泛网...
卸载SQL Server2000后不能再次安装的问题解决方法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 曾经由于磁盘空间的问题，卸载了SQL S...