WebMay 22, 2015 · How to get row count from all tables of a schema ( without using information schema ) Ask Question Asked 7 years, 10 months ago Modified 3 years ago Viewed 5k times 4 The query should collect data from table name , schema name from information.schema and row count should be taken from actual table. mysql mysql-5.6 …
How to Get Row Count of All Tables of a Database
WebDec 16, 2024 · SELECT TABLE_NAME, TABLE_ROWS FROM information_schema.TABLES WHERE TABLE_SCHEMA = 'my_database_name'; However, we found out today that it does not give the accurate count, but only an approximate count (especially if there is a big disparity in the row count of different … WebDec 7, 2024 · for row in dvdbs.rdd.collect (): tmp = "show tables from " + row ['databaseName'] + " like 'xxx*'" if row ['databaseName'] == 'default': dftbls = sqlContext.sql (tmp) else: dftbls = dftbls.union (sqlContext.sql (tmp)) tmplist = [] for row in dftbls.rdd.collect (): tmp = 'select * from ' + row ['database'] + '.' + row ['tableName'] tmpdf = … fiche éducation
Counting no. of records from multiple tables; Oracle DB
WebDec 16, 2024 · SELECT TABLE_NAME, TABLE_ROWS FROM information_schema.TABLES WHERE TABLE_SCHEMA = 'my_database_name'; … WebJun 6, 2024 · For this example, set the top 10 rows to get only 10 table names and record counts. See the below example query. Let's start coding. SELECT TOP 10 … WebFeb 12, 2024 · You can retrieve TableName from dbc.TablesV view; you likely will want to qualify by "schema" which is referred to as DatabaseName in Teradata. The actual number of rows is not directly available without SELECT COUNT (*) from each table. You can potentially retrieve a RowCount as of the last statistics collection from dbc.StatsV where … fiche eduscol commerce international