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The money Data Type: Where Division and Rounding Go Wrong

October 10, 2017
Pinal Dave
SQL Tips and Tricks
Data Visualization, Data Warehousing, Master Data Services, SQL Data Storage

Dividing money by money loses digits before any cast can save them. Here is the one-third demo, and how to find the leftover penny.

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SQL SERVER – Unable to Start SQL Server – TDSSNIClient Initialization Failed with Error 0x2, Status Code 0x38

October 9, 2017
Pinal Dave
SQL Tips and Tricks
SQL Error Messages, SQL Server, Starting SQL

SQL Server would not start: TDSSNIClient initialization failed with error 0x2, status code 0x38. Process Monitor and the SuperSocketNetLib key helped.

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Two primary keys are each attached to a different physical index structure

How to Create Primary Key Without ANY Index? – Interview Question of the Week #143

October 8, 2017
Pinal Dave
SQL Interview Questions and Answers
SQL Constraint and Keys, SQL Scripts, SQL Server

Question: How to create primary key without ANY index? SQL Server builds a clustered or nonclustered index for every primary key, so here is the answer.

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How Readable Secondary Replicas Build Their Own Statistics

October 7, 2017
Pinal Dave
SQL Performance
AlwaysOn, SQL High Availability, SQL Server, SQL Statistics

Learn why readable secondary replicas create temporary statistics in tempdb, how to find them, and when the primary needs a permanent statistic.

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Reading a Benchmark Somebody Else Published

October 6, 2017
Pinal Dave
SQL Tips and Tricks
Best Practices, Database, SQL Scripts, SQL Server

Read a database benchmark by checking workload rules, hardware, durability, latency, pricing scope, and whether the test can be repeated.

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SQL Server connection dialog.

SQL SERVER – Connecting Specific Database on Starting SSMS

October 5, 2017
Pinal Dave
SQL Tips and Tricks

Here is how to connect to a specific database on starting SSMS, a small setting many DBAs miss. It keeps stray objects out of the master database.

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SQL SERVER – Why One Table Cannot Be Deleted From a Backup File

October 4, 2017
Pinal Dave
SQL Tips and Tricks
SQL Backup and Restore, SQL Server

You cannot Delete a Single Table by editing a SQL Server backup file. I keep the original backup intact.

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