大约有 40,000 项符合查询结果（耗时：0.0335秒） [XML]
How to remove all MySQL tables from the command-line without DROP database permissions? [duplicate]
How do I drop all tables in Windows MySQL, using command prompt? The reason I want to do this is that our user has access to the database drops, but no access to re-creating the database itself, for this reason we must drop the tables manually. Is there a way to drop all the tables at once? Bear in ...
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
...
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?
...
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
...
Differences between Perl and PHP [closed]
...han @foo or %foo.
(related to the previous point) Perl has separate symbol table entries for scalars, arrays, hashes, code, file/directory handles and formats. Each has its own namespace.
Perl gives access to the symbol table, though manipulating it isn't for the faint of heart. In PHP, symbol table...
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
|
...
Can I store images in MySQL [duplicate]
...need to save as a blob, LONGBLOB datatype in mysql will work.
Ex:
CREATE TABLE 'test'.'pic' (
'idpic' INTEGER UNSIGNED NOT NULL AUTO_INCREMENT,
'caption' VARCHAR(45) NOT NULL,
'img' LONGBLOB NOT NULL,
PRIMARY KEY ('idpic')
)
As others have said, its a bad practice but it can be don...
Extending the User model with custom fields in Django
...
Since Django 1.5 you may easily extend the user model and keep a single table on the database.
from django.contrib.auth.models import AbstractUser
from django.db import models
from django.utils.translation import ugettext_lazy as _
class UserProfile(AbstractUser):
age = models.PositiveInteg...