Table of Contents
How do I compare schemas in SQL Server?
On the Tools menu, select SQL Server, and then click New Schema Comparison. Alternatively, right-click the TradeDev project in Solution Explorer, and select Schema Compare. The Schema Compare window opens, and Visual Studio automatically assigns it a name such as SqlSchemaCompare1 .
How do I compare schemas in SQL Developer?
You can use the SQL Developer Database Diff wizard to compare the objects in two schemas, identify the differences and then selectively apply changes to the destination schema based on the results of the comparison. The Database Diff wizard is available from the main Tools menu.
How do I compare two SQL queries for results?
Comparing the Results of the Two Queries The solution to this is very simple. Run both queries using a UNION to combine the results! The UNION operator returns unique records. If the two results sets are identical the row count will remain the same as the original query.
How do I compare two Database table structures in MySQL?
Getting data differences of two MySQL databases Click New.. on the product Start Page or New Data Comparison on the Standard toolbar to open New Data Comparison Wizard. Specify the needed connections to MySQL servers in the Connection fields. Select the databases you want to compare in the Database fields.
How do I select a schema in SQL?
Using the Information Schema
- SELECT TABLE_NAME FROM INFORMATION_SCHEMA. TABLES.
- SELECT TABLE_NAME, COLUMN_NAME FROM INFORMATION_SCHEMA. COLUMNS.
- SELECT COLUMN_NAME FROM INFORMATION_SCHEMA. COLUMNS WHERE TABLE_NAME = ‘Album’
- IF EXISTS( SELECT * FROM INFORMATION_SCHEMA.
- IF EXISTS( SELECT * FROM INFORMATION_SCHEMA.
What is schema in SQL example?
A schema is a collection of database objects like tables, triggers, stored procedures, etc. A schema is connected with a user which is known as the schema owner. Database may have one or more schema. SQL Server have some built-in schema, for example: dbo, guest, sys, and INFORMATION_SCHEMA.