Connect and share knowledge within a single location that is structured and easy to search. Let's take a look at each of the approaches: sys.partitions is an Object Catalog View and contains one row for each partition UNION ALL to combine the results and run the entire query. Find centralized, trusted content and collaborate around the technologies you use most. We should avoid using this as this feature will be removed in future versions of SQL Server. At 13:00 there were X amount of activity 3s. Thanks for the feedback GP and posting one more way to get the row count (manual approach). The window function will group the rows by the column_A and order them by the number of rows: 1 2 3 4 5 The user has to explicitly set the boolean variable hive.stats.autogather to falseso that statistics are not automatically computed and stored into Hive metastore. @Reckon, your query will not work for table which will not have any PK/index. Not satisfied with Sqoop features? For this example, set the top 10 rows to get only 10 table names and record counts. Hive provides SQL type querying language for the ETL purpose on top of Hadoop file system. Query : Select *,row_number () Over (partition by Number order by Number) 'Row_Number_Count' From t ; Attached is an example script to get row counts for tables in all databases in one go. show tables; It will not perform map-reduce and you can get counts within seconds. This table will be used in the following sections. This query can be modified to capture the row counts from a set of tables How To Get All Row Count For All Tables In SQL Server Database Here, we are setting the short name A for getting table name and short name B for getting row count. Spark Code: package com.tjman.exp1 import org.apache.spark.sql.SparkSession object HiveTableRecordCount { def main(args: Array[String]) { Thanks for contributing an answer to Stack Overflow! Get Hive count in seconds - Blog | luminousmen The ANALYZE TABLE statement collects statistics about one specific table or all the tables in one specified schema, that are to be used by the query optimizer to find a better query execution plan. Applies to: Databricks SQL Databricks Runtime. 05-15-2019 Thank you both for your feedback and additional information. To learn more, see our tips on writing great answers. Azure SQL Managed Instance. from all the tables in a database can be really helpful and effective thereby considerably Azure SQL Database VIEW SERVER STATE or VIEW DATABASE STATE permissions, Executing a TSQL batch multiple times using GO, File Validation in SQL Server with xp_fileexist stored procedure, Run same command on all SQL Server databases without cursors, SQL Server Script to Create Windows Directories, Finding and listing all columns in a SQL Server database with default values, Searching and finding a string value in all columns in a SQL Server table, SQL Server Find and Replace Values in All Tables and All Text Columns, Splitting Delimited Strings Using XML in SQL Server, List columns and attributes for every table in a SQL Server database, Iterate through SQL Server database objects without cursors, Making a more reliable and flexible sp_MSforeachdb, Script to Find and Drop All Orphaned Users in All SQL Server Databases, Accessing OLE and COM Objects from SQL Server using OLE Automation Stored Procedures, Script SQL Server Logins for Disaster Recovery, Script to attach multiple SQL Server MDF files, Stored procedure to generate HTML tables for SQL Server query output, Fix SQL Server CTE Maximum Recursion Exhausted Error, Issues with SQLCMD when using special characters, Save SQL Server Database Structure as Json, Date and Time Conversions Using SQL Server, Format SQL Server Dates with FORMAT Function, How to tell what SQL Server versions you are running, Rolling up multiple rows into a single row and column for SQL Server data, Resolving could not open a connection to SQL Server errors, SQL Server Loop through Table Rows without Cursor, Concatenate SQL Server Columns into a String with CONCAT(), SQL Server Database Stuck in Restoring State, Add and Subtract Dates using DATEADD in SQL Server, Using MERGE in SQL Server to insert, update and delete at the same time, Display Line Numbers in a SQL Server Management Studio Query Window, List SQL Server Login and User Permissions with fn_my_permissions, http://msdn.microsoft.com/en-us/library/ms190283.aspx, http://msdn.microsoft.com/en-us/library/ms187997.aspx.
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