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SQL JOIN - WHERE clause vs. ON clause
After reading it, this is not a duplicate of Explicit vs Implicit SQL Joins .
The answer may be related (or even the same) but the question is different.
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SQL Add foreign key to existing column
If I am using the following SQL command in SQL Server 2008 to update a table with a foreign key constraint:
6 Answers
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Best way to work with transactions in MS SQL Server Management Studio
Let's say I have an SQL statement that's syntactically and semantically correct so it executes.
2 Answers
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What exactly is Arel in Rails 3.0?
...ement for ActiveRecord
No, it isn't. It's a replacement for hand-crafting SQL queries in strings. It is a common query layer that underlies ActiveRecord, but it can also be used as an underpinning for DataMapper, for example.
If it is a replacement for anything, it's a replacement for Ambition. Or,...
1052: Column 'id' in field list is ambiguous
...
SQL supports qualifying a column by prefixing the reference with either the full table name:
SELECT tbl_names.id, tbl_section.id, name, section
FROM tbl_names
JOIN tbl_section ON tbl_section.id = tbl_names.id
...or a ta...
How to use NULL or empty string in SQL
...ow to use NULL and an empty string at the same time in a WHERE clause in SQL Server. I need to find records that have either null values or an empty string. Thanks.
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财务计算器拓展:复利计算、平均值、中位数、众数、方差计算 - App Invento...
...现值和投资回报率。它还使您能够进行基本的统计计算,包括计算平均值、中位数、众数、方差等。无论您是在创建个人财务应用程序还是数据分析工具,此扩展都是您不可或缺的得力助手。
FeaturesWith the Financial Calculator extens...
SQL Server Management Studio won't let me add an index to a table
...ble just in case, and refreshed and restarted SSMS, but no luck. I'm using SQL Server 2012 Business Intelligence SP1 CTP.
5...
How to rename a table in SQL Server?
The SQL query that I have used is :
8 Answers
8
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How can I solve a connection pool problem between ASP.NET and SQL Server?
...he code between .Open and Close throws an exception:
var connection = new SqlConnection(connectionString);
connection.Open();
// some code
connection.Close();
The correct way would be this:
var connection = new SqlConnection(ConnectionString);
try
{
connection.Open();
s...
