比较两个数据表的结构 SELECTcolumn_name,max(CASEWHENtable_name='table1'ANDtable_schema='db1'THEN'Yes'END)ASin_table_1,max(CASEWHENtable_name='table1'ANDtable_schema='db2'THEN'Yes'END)ASin_table_2FROMinformation_schema. COLUMNSWHERE( ( table_schema='db1'ANDtable_name='table1')OR( table...
In the given example, we use the UNION ALL operator to combine the data from both tables while keeping the duplicates. We then use the GROUP BY clause to group the combined data by all the columns. Finally, we use the HAVING clause to ensure that only the records with a count of one ...
SQL 2012 :: Compare Two Columns In Three Tables Dec 16, 2013 I have one database with several tables in it (table 1, table2, table3). In each table is two colums (colum1 = a number (201220) and colum2 = a number (0.50). Now, both tables will have rows with the...
-- These are the values that we accept as pivot -- columns. The columns names are produced from -- these values concatenated with the corresponding -- aggregate function name IN ( 'PAYMENTS' AS payments, 'PAYMENTS_ARCHIVE' AS payments_archive ) ) t; 1. 2. 3. 4. 5. 6. 7. 8. 9...
When you have two tables (or resultsets from SELECT statements) that you wish to compare, and you want to see any changes in ANY columns, as well as to see which rows exist in 1 table but not the other (in either direction) I have found that the UNION operator works quite well. ...
map specific columns select the columns that will be compared SQL Data Compare lists the tables and views in the source and target. Tables and views with identical or similar names are displayed side-by-side: The upper pane displays tables and views that are fullyMappedor havePartialmapping. ...
TRUNCATE TABLEremoves all rows from a table, but the table structure and its columns, constraints, indexes, and so on, remain. To remove the table definition in addition to its data, use theDROP TABLEstatement. If the table contains an identity column, the counter for that column is reset...
COLLATE is applicable only for columns of type char, varchar, nchar, and nvarchar. ASC | DESC Specifies that the values in the specified column should be sorted in ascending or descending order. ASC sorts from the lowest value to highest value. DESC sorts from highest value to lowest value....
In the working example though, I explicitly set the customer ids so this does not apply, though it very well might in the next comparison. Now, so we don’t compare the columns that we know will be different: 1 2 3 ALTER TABLE #Source DROP COLUMN object_id, default_object_id, -...
SQL Server Compare 2 tables in 2 databasesYou can Left join or Exists