LargestTableinDatabase.rar //create Temporary Table CREATE TABLE #Table_Details ( table_name sysname, row_count INT, reserved_size VARCHAR(50), data_size VARCHAR(50), index_size VARCHAR(50), unused_size VARCHAR(50) ); INSERT INTO #Table_Details EXEC sp_msforeachtable 'sp_spaceused...
This document will help identify all space sizes (excluding the attachments) from the underlying database. Solution The below SQL will help us to know the size of spaces. Oracle Postgres MySQL Oracle SELECTCount(CONTENT.CONTENTID)ASnumber_of_pages,nvl((sum(dbms_lob.g...
I need to return the last date on that column to a database that manages the schedules etc. That bit is the easy bit. ie the stuff in the A column. The difficult part is of course the "Next Due Date" since it can be any number of columns over to the right of the ...
Find all tables and print their total data and index size, and sort largest tables first (sort is a different program, by the way). pt-find --printf "%T\t%D.%N\n" | sort -rn As above, but this time, insert the data back into the database for posterity: pt-find --noquote ...
SQL Formatting Output Exercise, Practice and Solution: From the following table, write a SQL query that counts the unique orders and the highest purchase amount for each customer. Sort the result-set in descending order on 2nd field. Return customer ID,
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One of our largest tables stores transaction data. In our system, after a payment is made, the user can choose to cancel and get a refund. This is not happening very often, and only a fraction of the transactions end up being cancelled. ...
InnoDB: largest such row. 应该是Innodb引擎下日志大小设置过小导致的,某个事物产生大量日志,但innodb_log_file_size设置过小,可以加大解决。 解决方法: 直接贴网上找到的方法,如下 STEP 01) Change the following in /etc/my.cnf [mysqld] innodb_log_buffer_size = 32M ...
What is Normal Form in DBMS? - Types & Examples from Chapter 5 / Lesson 7 95K Database management systems (DBMS) rely on table structures to accurately store and organize data. Explore how rules are developed to design tables that protect the integrity of data...