大约有 3,549 项符合查询结果（耗时：0.0302秒） [XML]
what is the difference between GROUP BY and ORDER BY in sql
... in the link is sufficient to understand the difference tutorialspoint.com/sql/sql-group-by.htm
– nishantbhardwaj2002
Apr 29 '15 at 9:57
...
How to count instances of character in SQL Column
I have an sql column that is a string of 100 'Y' or 'N' characters. For example:
16 Answers
...
“where 1=1” statement [duplicate]
I saw some people use a statement to query a table in a MySQL database like the following:
10 Answers
...
Auto increment primary key in SQL Server Management Studio 2012
How do I auto increment the primary key in a SQL Server database table, I've had a look through the forum but can't see how.
...
SQL-Server: Error - Exclusive access could not be obtained because the database is in use
I am actually trying to make a script (in Sql Server 2008) to restore one database from one backup file. I made the following code and I am getting an error -
...
Can someone copyright a SQL query? [closed]
...
Can SQL code really qualify for a copyright anyway?
– David Brunelle
Dec 3 '09 at 20:45
3
...
SQL - The conversion of a varchar data type to a datetime data type resulted in an out-of-range valu
I have been getting the following error when running a SQL to convert my data type value from varchar to datetime .
16 A...
Cannot drop database because it is currently in use
...
For SQL server mgmt. studio: Right click database: Properties -> Options -> Restrict Access : Set to "Single User" and perform the drop afterwards.
– AceAlfred
Sep 27 '13 at 11:02
...
Android: upgrading DB version and adding new table
I've already created sqlite tables for my app, but now I want to add a new table to the database.
5 Answers
...
What are the best PHP input sanitizing functions?
...way to make sure data is properly escaped and encoded. If you're building SQL, then the accepted way to pass data in queries is through prepared statements with placeholders.
One of the better ways to work with most SQL databases in PHP is the PDO extension. It follows the common pattern of prepar...