How to compare the structure of two tables?
If you want to know if db1.tb1 and db2.tb2 are different, run this GIVE IT A TRY !!! Take a look at the columns table in the information_schema – the column_type field. That will allow you to compare table structures. My ultimate way of comparing 2 databases (DB1, DB2) – tables/views only, constrains and foreign key are not included.
How to verify if two tables have exactly the same data?
Basically, we have one table ( original table) and it is backed up into another table ( backup table ); thus the two tables have exactly the same schema. In the beginning, both tables ( original table and backup table) contains exactly the same set of data.
How to compare two tables with same PK?
just to complet, a proc stored using except method to compare 2 tables and give result in same table with 3 errors status, ADD, DEL, GAP table must have same PK, you declare the 2 tables and fields to compare of 1 or both table Just use like this ps_TableGap ‘tbl1′,’Tbl2′,’fld1,fld2,fld3′,’fld4’fld5’fld6’ (optional)
How to know if two tables are different in mydb?
If you want to know if two tables are different in database mydb, run this If you want to know if db1.tb1 and db2.tb2 are different, run this GIVE IT A TRY !!! Take a look at the columns table in the information_schema – the column_type field. That will allow you to compare table structures.
How to check the contents of two tables?
To verify the contents of the table use the below statement: Let us suppose, we have two tables: table1 and table2. Here, we will use UNION ALL to combine the records based on columns that need to compare. If the values in the columns that need to compare are the same, the COUNT (*) returns 2, otherwise the COUNT (*) returns 1.
How to compare and find differences between two tables in SQL?
Structured Query Language or SQL is a standard Database language that is used to create, maintain and retrieve the data from relational databases like MySQL, Oracle, etc. Here we are going to see how to Compare and Find Differences Between Two Tables in SQL