How can I show the table structure in SQL Server query? 回答1 For SQL Server, if using a newer version, you can use select*fromINFORMATION_SCHEMA.COLUMNSwhereTABLE_NAME='tableName' There are different ways to get the schema. Using ADO.NET, you can use theschema methods. Use theDbConnect...
In SQL Server, you can use this query: USE Database_name SELECT * FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_NAME='Table_Name'; 1. 2. 3. 4. 5. And do not forget to replaceDatabase_nameandTable_namewith the exact names of your database and table names....
$ mysqlshow-u root-p db_learn Activity Enter password:Database:db_learn Table:Activity+---+---+---+---+---+---+---+---+---+|Field|Type|Collation|Null|Key|Default|Extra|Privileges|Comment|+---+---+---+---+---+---+---+---...
ForInnoDBtables, the row count is only a rough estimate used in SQL optimization. (This is also true if theInnoDBtable is partitioned.) Avg_row_length The average row length. Data_length ForMyISAM,Data_lengthis the length of the data file, in bytes. ...
Adding a USING clause causes the statement to also display the privileges associated with each role named in the clause: mysql> SHOW GRANTS FOR 'u1'@'localhost' USING 'r1'; +---+ | Grants for u1@localhost | +---+ | GRANT USAGE ON *.* TO `u1`@`localhost` | | GRANT SELECT ON...
Copying to tmp table on diskThe server is copying to a temporary table on disk. The temporary result set has become too large (seeSection 8.4.4, “Internal Temporary Table Use in MySQL”). Consequently, the thread is changing the temporary table from in-memory to disk-based format to save...
I have a table with records that has Column Store Index. When I run the following in the SQL Server 2014 Version I get no rows.DBCC SHOWCONTIG...
Building a Rendering Plug-in (deprecated) (Windows) interface (Automation) IMTxAS interface (COM+) IFaxServerNotify::OnOutgoingMessageAdded method (Windows) IFaxServerNotify::OnServerShutDown method (Windows) RASPPPIP structure (Windows) InterlockedCompareExchangeRelease function (Windows) IInputPersonaliza...
SERVER_VERSION显示服务器的版本号。 SERVER_ENCODING显示服务器端的字符集编码。当前,这个参数可以被显示但不能被设置,因为该设置是在数据库创建时决定的。 LC_COLLATE显示数据库的排序规则(文本序)的区域设置。当前, 这个参数可以被显示但不能被设置,因为该设置是在数据库创建时决定的。 LC_CTYPE显示数据库的字符...
state 列,显示使用当前连接的 sql 语句的状态,很重要的列,后续会有所有的状态的描述,请注意, state 只是语句执行中的某一个状态,一个 sql 语句,已查询为例,可能需要经过 copying to tmp table ,Sorting result , Sending data 等状态才 可以完成, info 列,显示这个 sql 语句,因为长度有限,所以长的 sql 语句...