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For one thing, databases vary considerably in how they handle text; for example, while some databases are case-sensitive by default (e.g. Sqlite, PostgreSQL), others are case-insensitive (SQL Server, MySQL). In addition, because of index usage, case-sensitivity and similar aspects can have ...
在PostgreSQL中,所有排序规则都是case-sensitive。但从v12开始,您可以创建自定义排序规则并在计算索引表达式中使用它。要使用不区分大小写的搜索,可以创建case-insensitive排序规则和索引,例如: CREATE COLLATION case_insensitive ( provider = icu, locale = 'und-u-ks-level2', deterministic = false ); CREATE I...
unless this is not specified, in which case 10 credits are assigned. However, this means that inserting a record with zero credits is not possible, since zero is the CLR default, and hence will cause EF to send no value. In EF8, this can be fixed by changing the sentinel for the...
Specific ones have adapter suffix: MainNuget + .SqlServer/PostgreSql/MySql/Oracle/Sqlite ( ) Its assembly is Strong-Named and Signed with a key.NugetTargetUsed EF v.For projects targeting 9.x Net 9.0 EF Core 9 Net 9.0+ 8.x Net 8.0 EF Core 8 Net 8.0+ 7.x Net 6.0 EF Core 7 Net...
In my scenario several databases are supported (currently MySQL, SQLite, PostgreSQL and SQLServer), and based on the EF Core handling of case-(in)sensitivity, I decided that it would be best to have the databases/tables configured in such a way, that they behave similar, instead of adding ...
If you're using PostgreSQL, then its easy to store these things using PostgreSQL's built-in array type. For other databases, there are two common approaches:Create a table with a column for the primitive type value and another column to act as a foreign key linking each value to its ...
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NodaTime - Community packages for SQL Server, SQLite, and PostgreSQL NRTs - All EF Core code now uses C# nullable reference types Compiled model - The optimized model is now used by convention Query - Lots of progress on query bugs and EF6 query parity EF Core 6.0 EF Core 6.0 will be ...
EF7 generates the following for PostgreSQL: Copy SELECTb."Id", b."Name"FROM"Blogs"ASbWHEREEXISTS(SELECT1FROM"Posts"ASpWHEREp."BlogId"=b."Id") Since the subquery references the externalBlogstable (viab."Id"), this is acorrelated subquery, meaning that thePostssubquery must be executed for...