For example: We import a customer's information, we know that the customer's name is Zhangshan, we want to know, in our business database (Eg:northwind), which of the data tables which fields set the name value Zhangshan, through the following SQL,
Citation: http://blog.sina.com.cn/s/blog_7c0e26230100x2zl.html1. Get all database names:SELECT Name from Master. sysdatabases ORDER by Name2. Get all table names:SELECT Name from DatabaseName. SysObjects Where xtype= ' U ' ORDER by NameXtype= ' U ':
Recently remembered to make a project code generator that directly generates the underlying code:This is unavoidable to read the information that the database already has.Don't say much nonsense. Open the whole.SELECT from MASTER.. sysdatabases --
In MSSQL, how does one use SQL to clear data from all tables? There are three types of requirements:First, as long as the table in the database is empty;Second, the table is empty and the auto-growth column can grow from 1.Third: The table is empty,
Difference between SQL Server table variables and temporary tables (Supplement), SQL Server
I. Table Variables
Table variables are introduced in SQL Server 2000 for the first time. Table variables include column definitions, column names, data types,
For more information about bugs fixed in SQL Server 2000 Service Pack 4, click the following article number to view the article in the Microsoft Knowledge Base:314128 FIX: When an RPC call is performed, Access with conflicting values includes an
To meet a requirement, you need to modify all the tables in the database that contain the email fields, and change the length of the inside to 128 bits. Laravel gets all the tables and then loops through the table to see if there is any email in
Methods of accessing dataThere are two types of data in the Access table: 1, direct access to table 2, first access to the index, and then back to the table1, direct access to the table of two ways:①, full table scanFull-table scanning refers to
One, table variables
Table variables were introduced for the first time in SQL Server 2000. The specific definition of a table variable includes a column definition, a column name, a data type, and a constraint. Constraints that can be used in
The requirement is that there are more than 2000 tables under the Stock library in SQL Server. Each table is required to delete one of today's error data.First you have to get the names of all the tables, the code is as follows:Select from Where
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