大约有 6,100 项符合查询结果（耗时：0.0290秒） [XML]
Python SQL query string formatting
...Code Sample:
sql = ("SELECT field1, field2, field3, field4 "
"FROM table "
"WHERE condition1=1 "
"AND condition2=2;")
Works as well with f-strings:
fields = "field1, field2, field3, field4"
table = "table"
conditions = "condition1=1 AND condition2=2"
sql = (f"SELECT {fields...
Hibernate: “Field 'id' doesn't have a default value”
...any cases this problem can also be resolved by just dropping the offending table (or tables), assuming that Hibernate is set up to automatically create/manage the DB schema. To drop tables from a managed schema, SET foreign_key_checks = 0; is your friend. Just be sure to SET foreign_key_checks = 1...
Is the LIKE operator case-sensitive with MSSQL Server?
...al_cp1_cs_as
(d) To create a column using a different collation
create table exampletable (
examplecolumn varchar(10) collate sql_latin1_general_cp1_ci_as null
)
(e) To modify a column collation
alter table exampletable
alter column examplecolumn varchar(10) collate sql_latin1_general_cp1...
SQL Server Management Studio alternatives to browse/edit tables and run queries [closed]
...
I strongly feel that we can't edit tables and can't run queries with hints using LINQ
– bjan
May 18 '12 at 5:28
1
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What is the fastest way to compute sin and cos together?
...are supported on processor level, I expect them to be way much faster than table lookups.
Edit:
Wikipedia suggests that FSINCOS was added at 387 processors, so you can hardly find a processor which doesn't support it.
Edit:
Intel's documentation states that FSINCOS is just about 5 times slower tha...
How to declare a variable in a PostgreSQL query
... work as a variable, or even tuple of variables. It allows you to return a table of temporary values.
WITH master_user AS (
SELECT
login,
registration_date
FROM users
WHERE ...
)
SELECT *
FROM users
WHERE master_login = (SELECT login
FROM master_user)...
How to change the name of a Django app?
...views.py, urls.py , 'manage.py' , and settings.py files.
Edit the database table django_content_type with the following command: UPDATE django_content_type SET app_label='<NewAppName>' WHERE app_label='<OldAppName>'
Also if you have models, you will have to rename the model tables. For ...
Joining three tables using MySQL
I have three tables named
8 Answers
8
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How to edit data in result grid in SQL Server Management Studio
...et a query output in the result grid.
Its true that we can right click the table and say open table to get an editable table output, but what I want is editable query output, only certain rows matching for my criteria, and edit them in the result grid.
...
An efficient compression algorithm for short text strings [closed]
...
Check out Smaz:
Smaz is a simple compression library suitable for compressing very short
strings.
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