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Is there a way to compare two tables?
So no matter how many column are they, no matter what data type are they, as long as the two table has the same schema, you can use following query to do the comparison: And you just need to compare the return values.
How to check row count in SQL Server?
I’ve been moving several EnterpriseOne databases to SQL Server lately.� In order to do a quick check to make sure that all the data was transferred, I like to compare the number of rows on all the tables.� Below are the SQL queries that I use to get a row count on all tables in a database and all files in a library:
How to compare two hive tables in SQL?
So no matter how many column are they, no matter what data type are they, as long as the two table has the same schema, you can use following query to do the comparison: And you just need to compare the return values. One easy solution is to do inner join. Let’s suppose we have two hive tables namely table1 and table2.
How to find the number of distinct records in two tables?
Number of distinct records can be found using the following query: if DC1 and DC2 are not equal, the tables are not identical. 3: Now get the number of records obtained by performing a union on the 2 tables. Let it be U. Use the following query to get the number of records in a union of 2 tables:
However, you can use a field as a field criterion to compare fields that have dissimilar data types, which you cannot do by using joins. This article discusses how to compare two tables to identify matching data, and provides sample data that you can use with example procedures.
How to compare two databases using T-SQL?
The T-SQL code generates 2 tables in different databases. The table names are the same, but the table in database dbtest02 contains an extra row as shown below: Let’s look at ways we can compare these tables using different methods. With the LEFT JOIN we can compare values of specific columns that are not common between two tables.
How to compare two unmatched tables in Excel?
Use the Find Unmatched Query Wizard to compare two tables One the Create tab, in the Queries group, click Query Wizard. In the New Query dialog box, double-click Find Unmatched Query Wizard. On the first page of the wizard, select the table that has unmatched records, and then click Next.
How to compare two data types in Excel?
Compare two tables by using a field as a criterion. Sometimes you may want to compare tables on the basis of fields that have matching data, but have different data types. For example, a field in one table may have a Number data type, and you want to compare that field to a field in another table that has a Text data type.