Technical Article

Find possible missing foreign key relationships

This procedure is intended for single column primary key relationships.First we will create two table functions. The first finds a list of all tables with their primary key columns. The second finds all existing foreign key relationships with their table and column names. Finally we find all tables with primary key column names that do […]

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2007-02-26 (first published: )

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Technical Article

Date String format with optional Timestamp

I find it so annoying to format dates. Sometimes I want to include the timestamp, but if it is a midnight time stamp, the time is irrelevant. Sending in a datetime will return either the date string or a date string with a timestamp up to the seconds with either AM or PM.

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2007-01-02 (first published: )

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Question of the Day

Locking Hierarchies

You have a table [dbo].[orders] without a Clustered Index (Heap). The table does not have any other nonclustered indexes! You rund the following command in Read Committed Isolation Level:

SELECTo_orderdate,
        o_orderkey,
        o_custkey,
        o_storekey
FROMdbo.orders
WHEREo_orderkey = 3877;

What locking hierarchy will Microsoft SQL Server use?

 

See possible answers