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Data dictionary is a good thing, for development, maintenance is very important.However, it is not convenient to write the description in SQL Server, how to simplify and add the modified extended attributes in bulk?It would be nice to add 2 tables and 5 stored procedures, 2 triggers, and a table-valued function.Execute the following
The boss told me about it before the holiday. 2016 There is an interesting function called temporal Table, today went to see a bit of information to tidy up a bit.This function looks like a temporary table, but is actually a history table of system maintenance. (It should be a little more convenient to some extent than our manual maintenance history table)Simply and directly, its interface looks like this (like a T1) after it is created, it is recorded in the table below that has a t1history tab
Label:Sql server 1. Determine whether the table users existif object_id(N'Users'N'U') is not NULL
Print 'exist'
Else
Print 'does not exist'
2. Determine if the Name column exists in the table usersif exists(Select * fromsyscolumnswhereId=object_id('Users') andName='Name'collate Chinese_prc_ci_ai_ws)Print 'exist'
Else
Print 'does not exist'Note: Collate chinese_prc_ci_ai_ws represents case-insensitive Oracle 1. Judging whether the t
This article briefly introduces several methods for comparing data of two tables in SQLServer. For more information, see.
This article briefly introduces several methods for comparing data of two tables in SQL Server. For more information, see.
The code is as follows:
Use tempdbGoIf object_
SELECTTable name = D.name,Table Description = case when a.colorder=1 then IsNull (F.value, ') Else ' end,Field ordinal = A.colorder,Field name = A.name,Identification = case when ColumnProperty (A.id,a.name, ' isidentity ') =1 then ' √ ' Else ' end,Primary KEY = case when exists (SELECT 1 from sysobjects where xtype= ' PK ' and Parent_obj=a.id and name in (Select name from sysindexes WHERE indid in (SELECT indid from Sysindexkeys where id = a.id and colid=a.colid)) Then ' √ ' E LSE ' END,Type =
Tags: column int where for main color CTS SQL refDirectly on the code: 1 SELECTOsub.name as [child table name] ,
2Fk.name as [FOREIGN Key Name] ,
3Subcol.name as [child table column name] ,
4Omain.name as [Primary Table name] ,
5Maincol.name as [primary table column name]
6 fromSys.foreign_keys FK7 JOINSys.all_objects osub on(fk.parent_object_id=Osub.object_id )
8 JOINSys.all_objects Omain on(fk.referenced_object_id=Omain.object_id )
--Query the paid vendor amount (paid-retired) based on the large order number ALTER FUNCTION [dbo].[ F__supplierpayoffamountborder] ( --Add The parameters for the function here @BOrderId int br>) RETURNS decimal as BEGIN declare @payOffAmount decimal set @payOffAmount =0 declare @SorderIdTemp table (id int)--Define temporary table insert into @SorderIdTemp (ID) select id from Tongye. borders_orders_s where [emailprotected] and isvalid=1 and orderstatus While exists (select I
allowed per column.3, check the constraintsThe check constraint sets the check condition for values in the input column or the entire table, and can limit the input values to ensure the integrity of the database. The check constraint determines the valid value through the logical expression of the data. For example, to define an age ages field, you can limit the range of values inside the age field to between 0 and 150 by creating a check constraint (>=0 and age
Only one check constrai
purchase order of Kingdee ERP. In addition to opening SQL Server Profiler to track its SQL, I want to open this tool again, compare the data difference between the pre-posting and post-posting databases of a purchase order to know what data operations it has performed, according to the meaning of its table name (the m
systemDateDiff (INTERVAL,DATE1,DATE2)--Returns the difference between Date2 and date1 two dates in interval specified mode date2-date1DATEADD (interval,number,date)--The date after number is added in the way specified by intervalDatePart (interval,date)---Returns the integer value corresponding to the specified portion of the date, intervalDatename (interval,date)--Returns the string name corresponding to the specified part of the date, intervalThe setting values for the parameter interval are
SQL Application and Development: (5) connecting multiple data tables and multiple SQL tables
Different tables in the database store different data. Users often need to use the data in multiple tables to combine and extract the req
SQL compare 10.2.0.1337 edition, one of the red gate series, database comparison tool, complete cracking + tutorial
Red Gate SeriesArticle:
SQL compare 10.2.0.1337 edition, one of the red gate series, database comparison tool, complete cracking + tutorial
Red Gate Series ii S
Tags: compressed file version serve 10.2.0.1 generate full image Gen testRed Gate Series Articles: One of the Red Gate series SQL Compare 10.4.8.87 Edition Database comparison tool complete hack + tutorial Red Gate Series two SQL Source control 3.0.13.4214 Edition Database version controller complete hack + use tutorial Red Gate Series Three
Tags: ges open the menu bar using the Install package product hive text hintFirst, the use of the tutorialSQL Compare is a tool commonly used by programmers to compare the differences between two databases. Can be used to compare objects inside the database. such as stored procedures, data in the database, the structure of the table. Let me briefly explain how to
One of the Red Gate series SQL Compare 10.4.8.87 Edition Database comparison tool complete hack + tutorialRed Gate Series two SQL Source control 3.0.13.4214 Edition Database version controller complete hack + use tutorialRed Gate Series Three SQL Server development tool
Label:Compare the time size of a string type The time in the database is varchar type, MySQL uses curdate () to get the current date, and SQL Server gets the current date by GETDATE () 1. Use strings directly to compare Note: To ensure that the two data types are exactly the same, an exception For example a: "2016-09-01", if the B data is: "2016-9-2", then can n
Requirements: Oracle database, b library C library, some tables have inconsistent table structure, now requires the C library as the standard, synchronous Update B library table structurePL/SQL connects to the C library,Tools--Compare User Objects. --Select the table that needs to be compared--and the Target Session (connected to library B)--
Compare SQL query Performance statements--First Use set STATISTICS io and set STATISTICS time to see if performance tuning is valid. --set STATISTICS time on--SET STATISTICS time onBefore starting our example, run the following two commands ( do not execute on the server you are using ).These two commands will clear the SQL
O.table_schema , O.table_name, O.table_comment, O. ' column_name ' as Old_column_name, O. ' Column_type ' as old_column_type,n. ' COLUMN_NAME ' As New_column_name, N. ' Column_type ' as New_column_typefrom old_column_info O, new_column_info nwhere o. ' Table_schema ' = n.table_schemaand o. ' table_name ' = N.table_nameand o. ' column_name ' = N.column_ Nameand o.column_type! = n.column_type;--Query the old repository for data that does not exist in the new library Selecto.table_schema, O.table_
do not meet the criteria for the join criteria. The full outer join also returns the data rows in the left table that do not meet the criteria for the join criteria, and also returns the non-conformance in the right tableThe data row that the Join condition list conforms to the query criteria. The full outer join is actually a mathematical collection of upper left outer joins and right outer joins (removing duplicates), i.e. "all outside = left outer UNION right outside". Description: The left
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