2017年4月25日 · A database schema is the collection of relation schemas for a whole database. A table is a structure with a bunch of rows (aka "tuples"), each of which has the attributes defined by the schema. Tables might also have indexes on …

2019年3月5日 · Thanks. I'm aware of the INFORMATION_SCHEMA views. I'm looking for a query that will return DatabaseName, SchemaName, TableName, ColumnName, ColumnType for the entire server, i.e. all databases, tables, etc. Alternatively, a query where I specify a database, like SELECT * FROM WHATEVER JOIN BLAH WHERE db_id = DB_ID('master').

2014年6月11日 · Usando schema para organizar, você daria permissão para o usuário X no schema empresa, exemplo: Os esquemas fornecem a oportunidade para simplificar a administração de segurança, backup / restauração e gestão de banco de dados, permitindo que os objetos de banco de dados, ou entidades, a ser logicamente agrupadas.

2016年6月22日 · Then all you need to do is to set the spring.datasource.hikari.schema: YOUR_SCHEMA. 2. With Oracle UCP for connection pool The Oracle UCP lib is not having a property for the schema so you have to alter the session as shared in the other comments and answers here. Here is the how to do it:

To generate C# classes from a JSON Schema. To convert a JSON Schema to an XSD file. Then it would be easy to create the classes as there are plenty of tool to generate classes from XSD. I found a lot of tools to validate a JSON string against a JSON Schema or to generate classes from the JSON string but nothing that seem to help me.

2016年10月13日 · select object_name(c.object_id) as table_name , schema_name(t.schema_id) as schema_name from sys.columns c join sys.tables t on c.object_id = t.object_id where c.name=N'CreatedDate'; It gets a little more complicated if you want alsoother table properties, but you'll refer to the object catalog views like sys.tables , sys.columns etc.

2010年2月11日 · I think INFORMATION_SCHEMA works on just about every major database I've seen. Although some differ in what information you can get out, at least it's a consistent place to look. However from doing a quick internet search, it appears Oracle is just about the only database to not support Information_Schema, even though it's part of the SQL-92 ...

2016年8月16日 · Schemas are like folders within a database, and are mainly used to group logical objects together, which leads to ease of setting permissions by schema. EDIT for additional question drop schema test1 Msg 3729, Level 16, State 1, Line 1 Cannot drop schema 'test1' because it is being referenced by object 'copyme'.

2013年1月30日 · To query privileges on objects (e.g. tables) in other schema I propose first of all all_tab_privs, it also has a table_schema column. If you are logged in with the same user whose privileges you want to query, you can use user_tab_privs, user_sys_privs, user_role_privs. They can be queried by a normal non-dba user.

2010年9月15日 · SELECT SCHEMA_NAME FROM INFORMATION_SCHEMA.SCHEMATA I believe querying the INFORMATION_SCHEMA views is recommended as they protect you from changes to the underlying sys tables. From the SQL Server 2008 R2 Help: Information schema views provide an internal, system table-independent view of the SQL Server metadata.