SQL Server Unique constraint for values in different columnI agree 100% with the above comments ...
SQL Server Unique constraint for values in different columnI agree 100% with the above comments ...
A Unique index will be created automatically when you define a PRIMARY KEY or UNIQUE KEY constraints on the specified columns. In all cases, creating a Unique index on the unique data, instead of creating a non-unique index on the same data, is highly recommended, as it will help the SQ...
One of the most common questions SQL users ask is how to load and connect different files. This article covers the question and provides an overview of how to load and connect different types of files in SQL.
the size of the files, assuming we configured the files for auto-grow. If the disk gets so full that the files cannot grow, SQL Server will stop generating versions. If that happens, any snapshot query that needs to read a version that was not generated due to space constraints will ...
We should follow certain best practices while designing objects in SQL Server. For example, a table should have primary keys, identity columns, clustered and non-clustered indexes, constraints to ensure data integrity and performance. Even we follow the best practices, and we might face issues suc...
pkg/sql/opt/xform/select_funcs.go#L1193-L1195 pkg/sql/opt/xform/general_funcs.go#L196-L198 pkg/sql/opt/idxconstraint/index_constraints.go#L1151-L1153 pkg/sql/opt/constraint/constraint.go#L531-L533 pkg/sql/opt/constraint/locality.go#L115-L117 ...
to get definition of sql object of type: Table, Sequence, Queue, Default constraints, Check constraints, Primary key, unique key, Index. Khushboo55 , surely you can query all object defenitions, but because all objets are different in structure you have to ...
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create_table_keys = create the relevant tables defined in the ERD along with their primary and foreign key. add_constraints = add the relevant constraints to the db. These scripts were run manually in SQL Server Management Studio to the database engine other sql scripts were used to either ...