How to create a relationship graphically in Database Designer in SQL server
When Developers working with SQL Server “Denali”, MS SQL Server 2008 R2 and MS SQL Server 2005 want to create a relationship graphically, they should follow the next steps:
1. In Database Designer, click the row selector for one or more database columns that they want to relate to a column in another …
How to update a database to match your diagram in SQL server
Developers save their database diagram when they are ready to update the database to match their diagram. On the other hand if other users have updated the database since developers opened their diagram, users’ changes might affect developers’ diagram and vice versa. When developers save their diagram, the database will be reconciled with their diagram by …
How to create an Insert values queries in Query Designer in SQL server
A Make Table query is similar to an Insert Results query but creates a new table to copy rows into. Developers can copy rows into a new table using a Make Table query, which is useful for creating subsets of data to work with or copying the contents of a table from one database to another. …
Developers can stop the query if it has not already finished, or if they see that the query is taking too long or is not returning the results they expect. When developers working with SQL Server “Denali”, MS SQL Server 2008 R2 and MS SQL Server 2005 want to stop a query, they should do the …
How to define check constraint expressions from GUI in SQL server
Developers can create a simple constraint expression to check data for a simple condition; or they can create a complex expression, using Boolean operators, to check data for several conditions. For example, suppose the client table has a county code (ccode) column where a 3-alphabetic character string is required. This sample constraint expression guarantees that only 3-alphabetic characters …
When Developers working with SQL Server “Denali”, MS SQL Server 2008 R2 and MS SQL Server 2005 want to change index properties, they should follow the next steps:
1. In Object Explorer, right-click the table they want to open and click Design (Modify in SP1 or earlier).
2. From the …
How to check existing data when creating a relationship in SQL server
When Developers working with SQL Server “Denali”, MS SQL Server 2008 R2 and MS SQL Server 2005 want to check existing data when they are creating relationship, they should follow the next steps:
1. In Object Explorer, right-click the table that will be on the foreign-key side of the relationship and click Design …
Developers modify the foreign key side of a relationship if they want to change which columns are related to columns in the primary key table. To modify a foreign key they should follow the next steps:
1. In Object Explorer, right-click the table with the foreign key, and click Design (Modify in SP1 or earlier). …
How to modify the precision of a columns data type in SQL server
The precision of a numeric column refers to the maximum number of digits used by the selected data type. For most data types, the column precision is automatically defined by the data type. Developers can change the column precision for the decimal and numeric data types if they want to redefine the column length. The Precision …
How to modify the length of a columns data type in SQL server
The column length is automatically defined, when developers select a data type. Developers can reset the Length property for a column with a character data type, such as binary, char, nchar, nvarchar, varbinary, or varchar, if they want to increase or decrease the length of acceptable values in that column. For columns with numeric data types, …