SQL Server is a popular database management system that is widely used to store and manage data in a variety of applications. As with any system that manages sensitive data, security is a critical concern for SQL Server. SQL Server provides a range of security features and technologies that help to protect the data and ensure its confidentiality, integrity, and …
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The SA (System Administrator) account is a predefined account in SQL Server that has full control over the database server. By default, the SA account is disabled and is not associated with a login. However, if the SA account is enabled and given a password, it can be used to connect to the database server and perform any task. There …
Securing SQL Server: Renaming and Disabling the SA Account Read more »
Each month we report on the most common waits that we see reported by our daily monitoring customers. All the data is sanitized, so there is no private client information to expose here. For this month, here are the details. PREEMPTIVE_OS_PIPEOPS CXPACKET OLEDB LCK_M_IS ASYNC_NETWORK_IO XE_LIVE_TARGET_TVF SP_SERVER_DIAGNOSTICS_SLEEP LCK_M_SCH_M LCK_M_IX LCK_M_SCH_S Our daily monitoring product scans your SQL Server hourly and …
Common Waits Reported by Daily Monitoring This Month Read more »
In SQL, a LEFT OUTER JOIN is a type of JOIN operation that combines data from two tables, based on a JOIN condition. This type of JOIN is called an outer JOIN because it includes not only the matching rows from the tables, but also the rows from the left (or first) table that do not have a matching row …
One of the key tasks of a database administrator is to ensure that the SQL Server database is running efficiently and effectively. One way to do this is by using performance tuning techniques, which can help identify and resolve any performance bottlenecks or issues in the database. One performance tuning tip for SQL Server is to use the sys.dm_exec_query_stats dynamic …
To rename a table in SQL Server, you can use the sp_rename system stored procedure. This stored procedure allows you to change the name of an existing table, without having to drop and re-create the table. To use the sp_rename stored procedure, you need to specify the current name of the table and the new name you want to give …
A LEFT OUTER JOIN with exclusion is a type of JOIN operation in SQL that combines data from two tables, based on a JOIN condition, and excludes the rows that match the JOIN condition. This type of JOIN is called an outer JOIN with exclusion because it includes the rows from the left (or first) table that do not have …
A common table expression, also known as a CTE, is a temporary named result set in SQL that can be used within a SELECT, INSERT, UPDATE, or DELETE statement. It is defined using the WITH keyword, and can be thought of as a temporary view or inline table-valued function. One of the primary advantages of using a common table expression …
A SQL Server inner join is a type of join that combines records from two or more tables in a database based on the values of the joined columns from each table. Inner joins only return rows that have matching values in the joined columns. In contrast, an outer join will return all rows from one table, and any matching …