sql server count rows in all tables

To get the number of rows in a single table we usually use SELECT COUNT(*) or SELECT COUNT_BIG(*). Create a new index – e.g. Using COUNT in its simplest form, like: select count(*) from dbo.employees simply returns the number of rows, which is 9. Row count for tables in a specific schema [duplicate] Ask Question Asked 7 years, 1 month ago. We recommend that you use the current SQL Server system views instead. This is quite straightforward for a single table, but quickly gets tedious if there are a lot of tables, and also can be slow. You can display row count for all tables by joining sys.objects and sys.partitions as below: [UPDATE: sys.partitions only shows an approximation of the number of rows. In this post, we will learn about how to get all tables records count from the selected database. Note that with the T-SQL enhancements introduced with MS SQL Server 2005 and MS SQL Server 2008, developers and [gs database] administrators can find ways to avoid using SQL Server cursor in their sql codes in their jobs. Even if you type SELECT COUNT(Adress), SQL Server will use a smaller index if the Address column is defined with NOT NULL. How to obtain quick counts of rows in all tables? 2. Here are a few ways of listing all the tables that exist in a database together with the number of rows they contain. To get the partition details of all the tables and the number of records in each partition, you just need to remove the group by clause from the above query and add either partition_id or partition_number from the sys.dm_db_partition_stats view in the select list.Below is the sample query. I need to send a SQL query to a database that tells me how many rows there are in a table. In this document, sql developers will find a SQL cursor example t-sql code to list number of rows (record counts) in all user tables in a MS SQL Server database.. Here we are using join sys.objects with sys.partitions from sys.partitions we can get row count of table and sys.objects will return the name of a schema (table name). At times, SQL Server developers/DBAs might need to know the table row count for all tables from all databases available on a server. COUNT is more interestingly used along with GROUP BY to get the counts of specific information. Active 7 years, 1 month ago. Query to get row count of all tables along with partition details. To find the equivalent system view or views, see Mapping SQL Server 2000 System Tables to SQL Server 2005 System Views. Viewed 6k times -2. Here are few approaches as below: Approach 1: table - table name with schema name; rows - number of rows in a table; Rows. I could get all the rows in the table with a SELECT and then count them, but I don't like to do it this way. This feature will be removed in a future version of Microsoft SQL Server. There are various approaches to get the row counts in SQL Server. Tables by number of rows in our SSRS repository: This SQL Server 2000 system table is included as a view for backward compatibility. Here we are using sys.objects and sys.partitions for getting the record count. I would like to extend some of my ideas further to get the table count as below. Getting row count for all tables in a database is straight forward. So we have a result that is giving us the count of the rows in each table. USE Northwind; SELECT TableName = o. name, Rows = max (i. rows… Now we need to add the row totals together. This question ... Below is the Microsoft SQL Server query to retrieve all Tables what the schema is for the table and the amount of rows. Is there some other way to ask the number of the rows in a table to the SQL server? The following Microsoft SQL Server T-SQL queries will yield fast (not real time) row counts in each table in the database: -- SQL quick table row counts. So unless there is no index at all on the table, SQL Server will never do a table scan, but always index scan. a column defined as SMALLINT – and SQL Server will use this index. One row represents one table; Scope of rows: all tables in a database including tables without rows; Ordered by number of rows descending, from largest to smallest (in terms of number of rows) Sample results. SQL Server COUNT Function with Group By. System tables to SQL Server 2005 system views instead future version of Microsoft Server. Might need to add the row counts in SQL Server 2005 system views the SQL Server will use index. Of all tables usually use SELECT count ( * ) of listing all tables. 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