See this article for further details. 回答2 In SQL Server, you can use this query: USE Database_name SELECT * FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_NAME='Table_Name'; And do not forget to replace Database_
You can query the SYSOBJECTS view to find all of the tables in the database. This shows all objects, so to filter it to tables we can filter on the xtype column equals the value of "U", which represents a user table. Here's the query: SELECT*FROMsysobjectsWHERExtype='U'ORDERBYname...
Usage: mysqlshow [OPTIONS] [database [table [column]]] If last argument contains a shell or SQL wildcard (*,?,% or _) then only what's matched by the wildcard is shown. If no database is given then all matching databases are shown. If no table is given, then all matching table...
mysql> SHOW CREATE TABLE mysql.user\G; *** 1. row *** Table: user Create Table: CREATE TABLE `user` ( `Host` char(60) COLLATE utf8_bin NOT NULL DEFAULT '', `User` char(32) COLLATE utf8_bin NOT NULL DEFAULT '', `Select_priv` enum('N','Y') CHARACTER SET utf8 NOT NULL ...
有scheme参数 创建函数 CREATE OR REPLACE FUNCTION show_create_table( in_schema_name varchar, in_table_name varchar ) RETURNS text LANGUAGE plpgsql VOLATILE AS
The SQL query below shows a list of tables sorted by the largest tables first. For each table, the indexes in the table are shown. For each index it shows when the index was last used. The query is designed to collect various pieces of information in one place, and give ...
show table status [from db_name]; show grants for user; 1. 2. 3. 4. 5. 6. 7. 8. 9. 除了status,processlist和grants外,其它的都可以带有like wild选项,它可以使用SQL的'%'和'_'字符; show databases like '%t'; 将会列出所有数据库名字末尾为't'字符的数据库 ...
If you want to show all tables of a specific owner, you add theOWNERcolumn in theWHEREclause as shown in the following query: SELECT*FROMall_tablesWHEREOWNER ='OT'ORDERBYtable_name;Code language:SQL (Structured Query Language)(sql)
showhistoryfortabletable_name partition_spec; 查看已删除分区的备份数据,获取保留周期内备份的各个数据版本信息。id可以通过show history for table <table_name>;命令返回结果中的ObjectId字段获取。 showhistoryfortabletable_namePARTITION('id'='xxxx'); ...
Tables_in_tpch exampletable1 exampletable2 相关文档 查询到映射表名称列表后,请根据需要执行相应操作。 您可以使用SELECT语句通过某个映射表查询满足指定条件的数据。更多信息,请参见查询数据。 如果要查询某个映射表的详细信息,例如字段名称、字段类型等,您可以DESCRIBE语句实现。更多信息,请参见查询表的描述信息。