The table relationships in SQL Server can be accessed with external tools that can use this information to generate diagrams illustrating the structure of the database. You can use the Maintain Relationships op
CASCADE, SET NULL, SET DEFAULT and NO ACTION can be combined on tables that have referential relationships with each other. If the Database Engine encounters NO ACTION, it stops and rolls back related CASCADE, SET NULL and SET DEFAULT actions. When a DELETE statement causes a combination of ...
SQL Server 2022 Native interfaces SQL PowerShell System catalog views System compatibility views System dynamic management views System functions System information schema views System stored procedures Overview Active Geo-Replication Spatial indexes
ON explained Export PostgreSQL Data to a CSV or Excel file Copying data between tables in a Postgres database Common table expressions: when and how to use them Import data from a CSV using PostgreSQL JOIN relationships and JOINing tables Creating multicolumn indexes in SQL Selecting records from...
Execute the query. Next you will need to grant view definition on the dbo schema. Copy the below query and execute it in SQL Server. Replace the username with the username you created earlier. GRANT VIEW DEFINITION ON SCHEMA :: dbo TO chartio_read_only ...
The TableRelation property and SQL Server relationships are automatically synchronized when you create a table and when you redesign a table. However, there are some situations in which you may need to manually synchronize the relationships. Examples include after you have: Deleted a table in the ...
The delete rules of the relationships involving T2 and T3 must be the same and must not be SET NULL if: T2 and T3 are the same table. T2 is a descendent of T3 and the deletion of rows from T3 cascades to T2. T2 and T3 are both descendents of the same table and the deletion of...
If T1 is delete-connected to T2 through multiple paths, those relationships in which T1 is a dependent and which form all or part of those paths must have the same delete rule and it must not be SET NULL. For example, assume that T1 is a dependent of T3 in a relationship with a del...
CASCADE, SET NULL, SET DEFAULT and NO ACTION can be combined on tables that have referential relationships with each other. If the Database Engine encounters NO ACTION, it stops and rolls back related CASCADE, SET NULL and SET DEFAULT actions. When a DELETE statement causes a combination of ...
A SQL Server 2005 system data type. An alias type based on a SQL Server system data type. Alias data types are created with the CREATE TYPE statement before they can be used in a table definition. The NULL or NOT NULL assignment for an alias data type can be overridden during the CREAT...