Understand normalisation through one order example, then decide when a reporting copy is worth the cost of keeping duplicated data consistent.
SQL Server emergency? Email pinal@sqlauthority.com with URGENT in the subject line.
Error 2714: There Is Already an Object Named MyFirstTable
Error 2714 reported that MyFirstTable already existed, but the client found no such table. A query on sys.objects showed a primary key constraint with that name on another table. Creating the table under another name, or renaming the key, fixes it.
AT TIME ZONE Twice: Convert UTC to Local Time in SQL Server
AT TIME ZONE twice converts UTC to local time in SQL Server. The first use labels a plain value as UTC and the second converts it. A demo shows the common one step mistake, stores in three cities, and the missing and repeated hours of daylight saving.
Multiple Backup Copies Stripped – SQL in Sixty Seconds #156
Yesterday I blogged about SQL SERVER – Creating Multiple Backup Copies. I got an amazing response to the blog post. Let us learn it today.
SQL SERVER – Creating Multiple Backup Files – Stripped
Multiple Backup Files can form one striped backup set. A customer wanted several files for a single database backup.
SQL SERVER – Availability Groups Can Propagate Database Compatibility Level
Propagation of Compatibility Level needs verification on the actual availability-group topology. I compare each replica through its own connection.
Escape Text for JSON: Build Valid JSON With STRING_ESCAPE
To escape text for JSON, pass each value through STRING_ESCAPE, so JSON built by hand stays valid. A demo shows which characters it escapes and which it leaves alone. It also shows when JSON_MODIFY and FOR JSON make it unnecessary.
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