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Displays the column information of all tables in SQL SERVER.I am working on a program for importing an Excel file from the SQL server database. I want to read the column information in
Sometimes we only know the name of the column, but do not know which table the data in the end, you can use the following method to find the table containing this data.
Copy Code code as follows:
Select o.name objectname, c.name ColumnName from sys.columns c inner join sys.objects O on c.object_id=o.object_id where C . Name like '%columnname% ' ORDER by O.name, C.name
In your actual t
You are working on a program for importing an Excel file from a SQL Server database. To read the columns in the database information, looking for a lot of information from the Internet, and finally summed up the more ideal SQL statements, after the execution of the returned columns are: Table name, column name,
You are working on a program for importing an Excel file from a SQL Server database. To read the columns in the database information, looking for a lot of information from the Internet, and finally summed up the more ideal SQL statements, after the execution of the returned columns are: Table name, column name,
/// /// Obtain the names of all database servers in the LAN. /// /// Server Name Array Public List String > Getsqlservernames () {datatable datasources =Sqlclientfactory. instance. createdatasourceenumerator (). getdatasources (); datacolumn Column = Datasources. Columns [ " InstanceName " ]; Datacolumn column2 =
Find all columns with the same column name (regardless of type and accuracy) from different tables. Note that the number 3 in the last column is the number of tables to be queried.
Select a. Name, count (1) as TT from syscolumns
SQL Server traverses all tables in the database and the total number of statistical tables:
Code
Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->1 declare @ tablename varchar (255 );
2 create table # getrecordingtemptable ([
oracle, you can obtain the information by querying the oracle Data dictionary. The advantage of doing so is that it is convenient to view the table structure in the future and you do not need to find it from the database documentation. It is of application significance for team development.
/* ===================================================== =========== */
/* Table: EMP */
/* ===================================================== ========= */
Cre
in Pivot_column that will be the output table.
In the UNPIVOT clause, column_list lists all the column names in Table_source that will be extracted to a single pivot_column.
Table_alias
The alias of the output table.
Unpivot-Unpivot_clause >
Specifies that the value of multiple columns specified by column_list in the input table be reduced to a single column nam
.[value], ") as [description]From Syscolumns ALeft join Systypes B on A.xtype=b.xusertypeINNER JOIN sysobjects D on a.id=d.id and d.xtype= ' U ' and d.nameLeft join syscomments E on a.cdefault=e.idLeft joins Sys.extended_properties G on a.id=g.major_id and a.colid=g.minor_idLeft join Sys.extended_properties F on D.id=f.class and f.minor_id=0Where b.name is not null--where d.name= ' table to query '--if you only query the specified table, add this conditionORDER BY A.id,a.colorderHow
1. Query all database names in the database:SELECT Name from Master. sysdatabases ORDER by Name2. Query all the table names in a database:SELECT name from SysObjects Where xtype= ' U ' ORDER by Name3. Query table structure information: 1 SELECT (case if A.colorder=1 then d.name else null end) Table name, 2 a.colorder field ordinal, a.name field name, 3 TY (a.id,a.name, ' isidentity ') =1 then ' √ ' else '
Label: 1. Query all database names in the database: SELECT Name from Master. sysdatabases ORDER by Name 2. Query all the table names in a database: SELECT name from SysObjects Where xtype= ' U ' ORDER by Name 3. Query table structure information: 1 SELECT (case if A.colorder=1 then d.name else null end) Table name, 2 a.colorder field ordinal, a.name field name, 3 Erty (a.id,a.name, ' isidentity ') =1 then
the column names in Pivot_column that will be the output table.
In the UNPIVOT clause, column_list lists all the column names in Table_source that will be extracted to a single pivot_column.
Table_alias
The alias of the output table.
Unpivot-Unpivot_clause >
Specifies that the value of multiple columns specified by column_list in the input table be reduced
Displays information about all tables or views in a database of an SQL Server.
The difference between SQL Server 2000 and 2005 lies in the red part.
The following statement is used to obtain information about
Scene:In SQL Server, when you need to delete all the tables or all stored procedures, the manual method can only be deleted individually, consuming personal time, so you want to get a statement to achieve such a requirement.If table failure is deleted because of a foreign KE
In general, we can use connect to server in SQL Server Management studio to query and try to connect all available SQL Server instances in the local network, such:
In Visual Studio, you can also use tools> connect to database t
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