sql compare two tables show differences

// Function Description: Compares the similarities and differences between data tables in two access databases based on the ID field// The first database of P1// P2 second database// Tname name of the data table to be comparedFunction comprecordbyid (adoquery: tadoquery; P1, P2, tname: string): Boolean;VaRSqlstr: string;BeginSqlstr: = 'select * from ('+'Select t1.id, t2.id from ['+ p1 +']. '+ tname + 'as T1

Label:Original: How to quickly compare two tables in SQL ServerHow to quickly compare two tables in SQL ServerUnconsciously write the last blog post for 2014 years ~In general, how to detect the content of the two

Label:How to quickly compare two tables in SQL ServerUnconsciously write the last blog post for 2014 years ~In general, how to detect the content of the two tables is consistent, reflected in the replication at the end of the publisher and the end of the subscriber on the data aboveI've got a list of ways to solve this

class CHAR ()) 5 on COMMIT PRESERVE ROWS; sql> INSERT INTO permernate values (2); sql> INSERT into the Admin_work_area values (Sysdate,sysdate, ' session temperary '); Sql> commit; Sql> select * from Permernate; A ---------- 1 2 sql> select * from Admin_work_ar

Start A while ago, a project encountered such an SQL query requirement. There were two tables with the same structure (table_left table_right), as shown below: Figure 1. Check whether there is a group of (groupId) data in table table_right that is exactly the same as its data. 1. We can see that the table_left and table_right tables have two groups of data that

Begin A while ago, there was an SQL query requirement in the project, with two tables of the same structure (Table_left Table_right), as follows: Figure 1. Examine the groups (GROUPID) of the table table_left, and whether there is a set of (GROUPID) data in the table table_right that is exactly the same as its data. As shown in Figure 1. You can see that there are two sets of data complete equality f

Start A while ago, a project encountered such an SQL query requirement. There were two tables with the same structure (table_left table_right), as shown below: Figure 1. Check whether there is a group of (groupId) data in table table_right that is exactly the same as its data. 1. We can see that the table_left and table_right tables have two groups of data that

Differences between temporary tables in Oracle and temporary tables in SQL Server compared with the process of creating temporary tables in Oracle databases and the differences between temporary

The syntax of the create statement is the same, and the data types are different. However, the syntax for creating a table using subqueries is different. SQL Server statements created using subqueries:Select empno, ename, Sal * 12 annsal, hiredate into dept30 from EMP where deptno = 30; Oracle uses query to create a table:Create Table dept30 Select empno, ename, Sal * 12 annsal, hiredate From EMP Where deptno = 30; DB2 uses a query to create a table

Differences between Oracle temporary tables and SQL Server temporary tables: The process of creating a temporary table in the Oracle database and the difference between the temporary table and the SQL Server are described in this article, next, let's take a look at this part

@t1_newcount=COUNT (*)FromT1_new;SELECT@count=COUNT (*)From[T1_old]AsAINNERJOIN[T1_new]As BOn[B].[Id]=[A].[Id]and[B].[Log_time]=[A].[Log_time]-- If there are other fields in the table that you add yourself print print @t1_newcount if ( @count = @t1_newcount ) begin ' equal "end else begin select Span style= "color: #ff0000;" > ' Method five: With SQL Server's own Tablediff tool, Microsoft made this tool to comp