T-SQL script to Backup database SQL Server with TimeStamp
The T-SQL script takes a full backup of all databases(System databases and user databases) in the format of DataaseName-YYYY-MM-DD-HH-MM-...
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rajendragupta16
How to Change Always On availability group mode
This topic describes how to change the availability mode of an availability replica in an Always On availability group in SQL Server by usin
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The SQL NULLIF function
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Troubleshoot SQL Server Backup Error Msg 3132, Level 16
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Troubleshoot SQL Server Backup Error Msg 3231, Level 16, State 1
When you are experiencing SQL Server Error Msg 3231, Level 16, State 1 while backing up SQL Database, it is important to troubleshoot the er
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Troubleshoot SQL Server Error for backups–: Msg 3136, Level 16
Is it possible to use COPY_ONLY backup for restoring differential backups? No, if you try to do so, SQL Server raises error Msg 3136, Level
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How to install PowerShell SQLServer module in a specific directory
Troubleshoot error - Install-Module: Administrator rights are required to install modules in 'C:Program FilesWindowsPowerShellModules.'
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Troubleshoot PowerShell-No match was found for the specified search criteria,module FailoverClusters
Troubleshoot PowerShell-No match was found for the specified search criteria, module FailoverClusters
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SQL Database Error - BACKUP LOG cannot be performed because there is no current database backup
SQL Database Error - BACKUP LOG cannot be performed because there is no current database backup
2022-01-12
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Troubleshoot “Database might contain bulk-logged changes that have not been backed up” in SQL Server
Troubleshoot “Database might contain bulk-logged changes that have not been backed up” in SQL Server
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Let's Talk Certifications
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The Hidden Security Risks of Role Combination in SSAS Tabular
Comments posted to this topic are about the item The Hidden Security Risks of...
The Empty Aggregate
Comments posted to this topic are about the item The Empty Aggregate
Question of the Day
The Empty Aggregate
I have this table in a SQL Server 2025 database:
CREATE TABLE [dbo].[CustomerOrder] ( [OrderID] [int] NULL, [CustomerID] [int] NULL, [total] [money] NULL ) ON [PRIMARY] GOWhat is returned from this code? (answers are for the sum and then the count)
SELECT SUM(total) AS sum,
COUNT(total) AS count
FROM dbo.CustomerOrder;
See possible answers