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SQL Server OFFSET FETCH

WEBThe FETCH clause specifies the number of rows to return after the OFFSET clause has been processed. The offset_row_count can be a constant, variable, or scalar that is …

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SQL Server GROUPING SETS

WEBThe four queries above return four result sets with four grouping sets: (brand, category) (brand) (category) () Code language: SQL (Structured Query Language) (sql) To get a …

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SQL Server ALTER SCHEMA

WEBFor instance, a table is a securable. The following shows the syntax of the ALTER SCHEMA statement: TRANSFER [ entity_type :: ] securable_name; Code language: SQL …

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SQL Server Table Partitioning By Practical Examples

WEBCreating a partitioned table. To create a partitioned table, you follow these steps: Create file groups that hold the partitions of the table. Create a partition function that maps the rows …

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SQL Server Blocking

WEBA block ( or blocking block) occurs when two sessions attempt to update the same data concurrently. The first session locks the data and the second session needs to wait for …

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An Introduction to SQL Server Table Variables By Examples

WEBFor example, the following statement declares a table variable named @product_table which consists of three columns: product_name, brand_id, and list_price: product_name …

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SQL Server MERGE: The Essential Guide to MERGE …

WEBFirst, you specify the target table and the source table in the MERGE clause. Second, the merge_condition determines how the rows from the source table are matched to the …

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SQL Server Views

WEBSQL Server Views. Summary: in this tutorial, you will learn about views and how to manage views such as creating a new view, removing a view, and updating data of the …

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SQL Server GROUP BY

WEBThe GROUP BY clause arranged the first three rows into two groups and the next three rows into the other two groups with the unique combinations of the customer id and …

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SQL Server Backup Types

WEBSummary. SQL Server provides you with three backup types: full backup, differential backup, and transaction log backup. A full backup backs up the entire database and the …

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