大约有 3,558 项符合查询结果（耗时：0.0258秒） [XML]
What is the advantage of using heredoc in PHP? [closed]
... avoiding quoting issues. Back in the day I used to use them to construct SQL queries:
$sql = <<<SQL
select *
from $tablename
where id in [$order_ids_list]
and product_name = "widgets"
SQL;
To me this has a lower probability of introducing a syntax error than using quotes:
$sql =...
Calculate a Running Total in SQL Server
...
Update, if you are running SQL Server 2012 see: https://stackoverflow.com/a/10309947
The problem is that the SQL Server implementation of the Over clause is somewhat limited.
Oracle (and ANSI-SQL) allow you to do things like:
SELECT somedate, som...
How can I run just the statement my cursor is on in SQL Server Management Studio?
...is not possible."
Edit:
Here is how I was able to do this:
1 - Download SQL Developer
2 - Download the jTDS driver
3 - Follow these instructions to add that driver to SQL Developer
4 - Connect to SQL Server using SQL Developer (cool!)
5 - Run it and life is good
...
How to get script of SQL Server data? [duplicate]
I'm looking for a way to do something analogous to the MySQL dump from SQL Server. I need to be able to pick the tables and export the schema and the data (or I can export the schema via SQL Server Management Studio and export the data separately somehow).
...
How to write UPDATE SQL with Table alias in SQL Server 2008?
I have a very basic UPDATE SQL -
2 Answers
2
...
Is the SQL WHERE clause short-circuit evaluated?
Are boolean expressions in SQL WHERE clauses short-circuit evaluated
?
14 Answers
1...
Difference between View and table in sql
What is the main difference between view and table in SQL. Is there any advantage of using views instead of tables.
7 Answe...
SQL Joins Vs SQL Subqueries (Performance)?
... and an explicit JOIN. In my experience IN is a very slow operator, since SQL normally evaluates it as a series of WHERE clauses separated by "OR" (WHERE x=Y OR x=Z OR...).
As with ALL THINGS SQL though, your mileage may vary. The speed will depend a lot on indexes (do you have indexes on both I...
SQL - Query to get server's IP address
Is there a query in SQL Server 2005 I can use to get the server's IP or name?
10 Answers
...
How do I view the SQL generated by the Entity Framework?
How do I view the SQL generated by entity framework ?
22 Answers
22
...