How can I compare two database data?

To compare data by using the New Data Comparison Wizard

  1. On the SQL menu, point to Data Compare, and then click New Data Comparison.
  2. Identify the source and target databases.
  3. Select the check boxes for the tables and views that you want to compare.

How do I compare two db schemas?

3. Compare Schemas between Two SQL Databases

  1. From Visual Studio, Open Tools ? SQL Server ? New Schema Comparison. It will open a screen for Schema Comparison.
  2. Click on “Select source”. After clicking on this, You will see a pop-up window.
  3. Select similarly for target schema.
  4. Click on compare to compare SQL databases.

How do you compare database performance?

The only way to compare the performance is to measure the execution of the queries or processes and compare those timings. You could use AWR to compare the database performance. A certain workload will generate a certain thoughput and consume more or less dbtime.

How do I compare two db schemas in SQL Developer?

Diff Report Steps

  1. Open SQL Developer.
  2. Create database connections to the DEV and TEST databases to be compared (highlighted in blue above).
  3. Select Tools…
  4. In the first step of the Diff Wizard select the Source and Destination connections.
  5. In the second step of the Diff Wizard select the schema types to be compared.

What is a schema compare?

The Schema Compare extension simplifies the process of comparing databases and gives you full control when synchronizing them — you can selectively filter specific differences and categories of differences before applying the changes. The Schema Compare extension is a reliable tool that saves you time and code.

How do you compare execution plans?

To compare execution plans

  1. Open a previously saved query execution plan file (.
  2. Right-click in a blank area of the execution plan and click Compare Showplan.
  3. Choose the second query plan file that you would like to compare with.
  4. The compared plans will open a new window, by default with one on top and one on the bottom.

How do I generate an ash report?

Generating an ASH Report on the Local Database Instance

  1. At the SQL prompt, enter: @$ORACLE_HOME/rdbms/admin/ashrpt.sql.
  2. Specify whether you want an HTML or a text report: Enter value for report_type: text.
  3. Specify the begin time in minutes before the system date: Enter value for begin_time: -10.

Where do I find database compare?

Open Database Compare

  1. In Windows 7 On the Windows Start menu, under Office 2013 Tools, click Database Compare if you are using Microsoft Office 2013.
  2. In Windows 8 On the Start screen, click Database Compare.
  3. In Windows 10 Search for Database Compare and select your installed version.

Which tool is used to compare the data?

SQL Data Compare is the industry-standard tool for comparing and deploying SQL Server database contents. You can work with live databases, backups, or SQL scripts in source control.