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Proper Repository Pattern Design in PHP?
...ea where the data is stored (meaning it can be changed).
Example to show a SQL implementation (most common).
For maximum performance, controllers should only receive the data they need—no extra fields.
Implementation should leverage some type of data mapper for ease of development.
Implementation ...
Is having an 'OR' in an INNER JOIN condition a bad idea?
...low query (several minutes on two tables with only ~50,000 rows each, on SQL Server 2008 if it matters), I narrowed down the problem to an OR in my inner join, as in:
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Generate full SQL script from EF 5 Code First Migrations
...s://docs.microsoft.com/en-us/ef/core/managing-schemas/migrations/#generate-sql-scripts
There are several options to this command.
The from migration should be the last migration applied to the database before running the script. If no migrations have been applied, specify 0 (this is the default).
T...
How do I do multiple CASE WHEN conditions using SQL Server 2008?
What I'm trying to do is use more than one CASE WHEN condition for the same column.
10 Answers
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How do you use script variables in psql?
In MS SQL Server, I create my scripts to use customizable variables:
13 Answers
13
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Convert INT to VARCHAR SQL
...trying to use a varchar where an int is needed. You need write your actual SQL statement for us to help you.
– Tobberoth
Nov 14 '13 at 14:10
14
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App Inventor 2 PrivacyPolicyAI2Ext 拓展：隐私政策弹窗、隐私确认弹窗 ·...
...APP在申请敏感权限时，应同步说明权限申请的使用目的，包括但不限于申请权限的名称、服务的具体功能、用途；告知方式不限于弹窗、蒙层、浮窗、或者自定义操作系统权限弹框等，且权限申请使用目的说明不应自动消失。请...
Aggregate function in an SQL update query?
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I know the question is tagged SQL Server but be careful with UPDATE with JOIN if you are using PostgreSQL. @JBrooks answer won't work :
UPDATE t1
SET t1.field1 = t2.field2Sum
FROM table1 t1
INNER JOIN (...) as t2
on t2.field3 = t1.field3
You will hav...
SQLiteDatabase.query method
I am using the query method of SQLiteDatabase. How do I use the query method?
5 Answers
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MSSQL Error 'The underlying provider failed on Open'
... had no write access to the Database I'd set up. When I added the user to SQL, the Plugin worked like a charm.
– Mike_Matthews_II
Mar 8 '13 at 18:31
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