Tài liệu Use Fixed Database Roles pptx

... built-in fixed database roles that grant or deny permissions on database objects. Each fixed database role adds or subtracts permissions on all the tables, stored procedures, or other database ... within the database. A user who is added to a fixed database role inherits all the permissions specified by the role. A person can belong to multiple roles, if necessary. Step...

Ngày tải lên : 14/12/2013, 20:16

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Tài liệu ASP.NET Database Programming pptx

... Passport authentication. The forms-based examples show how to use a database to look up a user’s credentials. The passport example shows how to use a Web service to validate authentication. You should ... variables that are unique to a user session. You can thus use this feature to store data such as database queries or custom objects; and you can share these across users of your ap...

Ngày tải lên : 12/12/2013, 21:16

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Tài liệu MySQL PHP Database Applications pptx

... spouses table, you’d have to throw in two outer joins: select * from contacts left join desired_spouse on contacts.spouse_id = desired_spouse.fantasy_spouse_id left join on siblings desired_spouse.sibling_id ... make use of the outer join (also known as the left outer join), which looks like this: select * from contacts left join desired_spouse on contacts.fantasy_spouse_id = desired_spous...

Ngày tải lên : 21/12/2013, 19:15

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Tài liệu Create Custom Database Roles pdf

... Create Custom Database Roles Even though the 10 built-in fixed server roles might appear to cover all contingencies, it is possible to create custom database roles for your SQL Server databases. ... Server databases. One of the problems with the fixed database roles is that they apply to all objects within the database. Therefore, assigning users to the db_datareader rol...

Ngày tải lên : 26/01/2014, 11:20

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Tài liệu Use a Single Windows Form to Update Multiple Lookup Tables Just about every database application pptx

... 8.2 Use a Single Windows Form to Update Multiple Lookup Tables Just about every database application uses lookup tables of some sort or another, such ... each table. How do you create a Windows Form that can be used to update most if not all of your lookup tables that are contained in your database? Technique Using two main controls, the ListBox ... tables of some sort or another, su...

Ngày tải lên : 14/12/2013, 20:16

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Tài liệu OCA: Oracle Database 11g Administrator Certified Associate- P6 pptx

... BY clause, because it is missing the group function. B. The HAVING clause, because single-row functions cannot be used. C. The HAVING clause, because the AVG function used in the SELECT clause ... function is not used in the HAVING clause, the column used must be part of the SELECT clause. 19. C. The HAVING clause can be used in a SELECT statement only if the GROUP BY clause is present. .....