大约有 40,000 项符合查询结果（耗时：0.0344秒） [XML]
PostgreSQL delete all content
Hello I want to delete all data in my postgresql tables, but not the table itself.
How could I do this?
3 Answers
...
Delete all data in SQL Server database
How I can delete all records from all tables of my database? Can I do it with one SQL command or I need for one SQL command per one table?
...
SQLAlchemy default DateTime
...mport declarative_base
Base = declarative_base()
class Test(Base):
__tablename__ = 'test'
id = Column(Integer, primary_key=True)
created_date = Column(DateTime, default=datetime.datetime.utcnow)
share
...
Best way for a 'forgot password' implementation? [closed]
... username, because usernames are sometimes forgotten too.
The system has a table password_change_requests with the columns ID, Time and UserID. When the new user presses the button, a record is created in the table. The Time column contains the time when the user pressed the "Forgot Password" button...
How to Execute SQL Server Stored Procedure in SQL Developer?
...text';
GO
If the Stored Procedure objective is to perform an INSERT on a table that has an Identity field declared, then the field, in this scenario @paramValue1, should be declared and just pass the value 0, because it will be auto-increment.
...
Escape Character in SQL Server
... instead of doing
DECLARE @SQL NVARCHAR(1000)
SET @SQL = 'SELECT * FROM MyTable WHERE Field1 = ''AAA'''
EXECUTE(@SQL)
try this:
DECLARE @SQL NVARCHAR(1000)
SET @SQL = 'SELECT * FROM MyTable WHERE Field1 = @Field1'
EXECUTE sp_executesql @SQL, N'@Field1 VARCHAR(10)', 'AAA'
...
Psql list all tables
I would like to list all tables in the liferay database in my PostgreSQL install. How do I do that?
6 Answers
...
Curly braces in string in PHP
.... I use this pattern when the class attributes map to fields in a database table. While it is possible to store arrays in a database using serialization, it is inefficient, and pointless if the individual fields must be indexed. I often add an array of the field names, keyed by the iterator, for the...
What is __stdcall?
...ling convention is taken note of to prevent stack issues. There is a nice table here documenting some conventions: msdn.microsoft.com/en-us/library/984x0h58.aspx
– Nicholas Miller
Jul 24 '15 at 17:03
...
NOT using repository pattern, use the ORM as is (EF)
...cification pattern. That gives you a complete abstraction which also is testable.)
share
|
improve this answer
|
follow
|
...