大约有 37,000 项符合查询结果（耗时：0.0283秒） [XML]
How to change identity column values programmatically?
I have a MS SQL 2005 database with a table Test with column ID . ID is an identity column.
13 Answers
...
Bootstrap table striped: How do I change the stripe background colour?
With Bootstrap class table-striped , every other row in my table has a background colour equal to #F9F9F9 . How can I change this colour?
...
How can I modify the size of column in a MySQL table?
I have created a table and accidentally put varchar length as 300 instead of 65353 . How can I fix that?
2 Answers
...
How do you rename a table in SQLite 3.0?
How do you rename a table in SQLite 3.0?
2 Answers
2
...
SQLite table constraint - unique on multiple columns
... the SQLite website, but no examples and my code is crashing. I have other tables with unique constraints on a single column, but I want to add a constraint to the table on two columns. This is what I have that is causing an SQLiteException with the message "syntax error".
...
Database design for audit logging
... an idea of what the old record looked like.
So for example, if you had a table called Opportunities to track sales deals, you would actually create two separate tables:
Opportunities
Opportunities_Content (or something like that)
The Opportunities table would have information you'd use to unique...
How to remove all of the data in a table using Django
...def delete_everything(self):
Reporter.objects.all().delete()
def drop_table(self):
cursor = connection.cursor()
table_name = self.model._meta.db_table
sql = "DROP TABLE %s;" % (table_name, )
cursor.execute(sql)
...
Is there an equivalent of CSS max-width that works in HTML emails?
...perly in all widely used email clients. I'm wrapping the whole email in a table, and I'd like it to have a width that is up to 98% of the available width, but no greater than 800 pixels. Like this:
<table style="width:98%; max-width:800px;">
...
How to take backup of a single table in a MySQL database?
...sqldump takes the backup of an entire database. I need to backup a single table in MySQL. Is it possible? How do I restore it?
...
How do I find a “gap” in running counter with SQL?
I'd like to find the first "gap" in a counter column in an SQL table. For example, if there are values 1,2,4 and 5 I'd like to find out 3.
...