Recently, I’ve been involved in a very interesting project in which we need to perform operations on a table containing 3,000,000,000+ rows. For some tooling, I needed a quick and reliable way to count the number of rows contained within this table. Performing a simple SEL...
,pstats.row_count AS PartitionRowCount FROM sys.dm_db_partition_stats AS pstats WHERE pstats.object_id = OBJECT_ID('SalesTarget') ORDER BY PartitionNumber; -- 366000 rows in Partition 1, 365000 rows in Partitions 2-4 Error messagesSQL Server provides detailed and informative error messages ...
Before SQL Server 2016 (13.x), the in-row data size of a memory-optimized table couldn't be longer than 8,060 bytes. However, starting with SQL Server 2016 (13.x), and in Azure SQL Database, you can create a memory-op...
SQL Server Azure SQL Database Azure SQL Managed Instance Before SQL Server 2016 (13.x), the in-row data size of a memory-optimized table couldn't be longer than8,060 bytes. However, starting with SQL Server 2016 (13.x), and in Azure SQL Database, you can create a memory-optimized ...
This T-SQL script will demonstrate how to get the table row count for all tables in a SQL Server database. As many people asked how to get the table row count for all tables in a SQL Server database, we provide this script for reference....
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mysql> select count(*) from rule_ceshi.operation_log; +---+ | count(*) | +---+ | 21049180 | +---+ row in set (23.39 sec) 上面的测试结果表明,count(*)走聚集索引和非聚集索引都是索引全扫描,但是走非聚集索引比走聚集索引获取记录数更快,这是为什么呢?我们通常不是说走主键索引是最快,...
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In this article Syntax Arguments Return code values Remarks Show 2 more Applies to: SQL Server Either returns rowcount or checksum information on a table or indexed view, or compares the provided rowcount or checksum information with the specified table or indexed view. This stored procedure...
Using STATISTICS IO will add messages to SQL Server Management Studio. It will show the logical reads, scan count, and more. In dbForge Studio for SQL Server, the same messages go to the Output window. But if you have the high-end Enterprise Edition of the Studio, turning on the ...