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2 lip 2016 · What are the best practices for pointing to lookup values from transaction tables? Should I establish FOREIGN KEY (FK) references either (a) directly to the natural and meaningful value or (b) to surrogate value?
2 lis 2016 · The Microsoft SQL Server 2005 Database Engine assumes that object_id is in the context of the current database. A query that references an object_id in another database returns NULL or incorrect results. The reasons I need to be able to do this: I can't USE the other database from within an SP.
8 lut 2017 · You can get a list of unique colors names (even if none are currently in use in the main data) by querying the lookup table. If you change a color in the lookup table, the change automatically cascades to all referencing rows in the main data table.
16 kwi 2024 · Database naming conventions are the rules for naming diverse elements within a database: tables, columns, indexes, constraints, and various other objects. Although there are various conventions in practice, we can formulate general guidelines and principles.
12 lis 2019 · In SQL Server, you can use the OBJECT_ID() function to return an object’s ID, based on its name. This can be useful when you need an object’s ID, but you only know its name. The official definition of OBJECT_ID() is that it returns the database object identification number of a schema-scoped object.
20 cze 2023 · This function returns the database identification (ID) number of a specified database. Transact-SQL syntax conventions. Syntax DB_ID ( [ 'database_name' ] ) Arguments 'database_name' The name of the database whose database ID number DB_ID will return. If the call to DB_ID omits database_name, DB_ID returns the ID of the current database. Return ...
13 sty 2011 · -- Get DatabaseName from DatabaseID. SELECT DB_NAME(4) DatabaseName; -- Get DatabaseID from DatabaseName. SELECT DB_ID('tempdb') DatabaseID; -- Get all DatabaseName and DBID. SELECT name,database_id. FROM sys.databases; Reference: Pinal Dave (https://blog.sqlauthority.com) SQL Scripts. Previous Post. Next Post.
