postgres=# CREATE SCHEMA nsp_1; CREATE SCHEMA postgres=# CREATE SCHEMA nsp_2; CREATE SCHEMA postgres=# CREATE TABLE nsp_1.t1(a int, b int) DISTRIBUTE BY HASH(b); CREATE TABLE postgres=# CREATE TABLE nsp_1.t1(a int, b int) DISTRIBUTE BY HASH(b); ERROR: relation "t1" already exis...
SQL USEtempdb; GOCREATESCHEMASynSchemaGOCREATESYNONYMSynSchema.MyEmployeeFORAdventureWorks2022.HumanResources.Employee; GOSELECTOBJECTPROPERTYEX(OBJECT_ID('SynSchema.MyEmployee'),'BaseType')ASBaseType; 以下範例將傳回屬於遠端物件 (位於Server1伺服器上) 之同義字基底物件的基底類型。
DATABASE ALTER ANY SCHEMA ALSM SERVER CONTROL SERVER DATABASE ALTER ANY SECURITY POLICY ALSP適用於 SQL Server (SQL Server 2016 (13.x) 至目前版本)、Azure SQL Database。 SERVER CONTROL SERVER DATABASE ALTER ANY SENSITIVITY CLASSIFICATION AASC適用於 SQL Server (SQL Server 2019 (15.x) 至目前版本...
SQL Copy CREATE SCHEMA Sprockets AUTHORIZATION Joe CREATE TABLE NineProngs (source int, cost int, partnumber int) GRANT SELECT ON SCHEMA::Sprockets TO Bob DENY SELECT ON SCHEMA::Sprockets TO John; GO Execute the following statement to view the schemas in the current database: SQL Copy...
A database schema typically shows the different tables, their fields and the relationship between them and other tables. The database schema is defined within the native database language; therefore the logical structure and visualization of schema might vary in each database language. It helps dat...
CRSO适用于:SQL Server 2012 (11.x) 及更高版本。 CREATE SEQUENCEDATABASE CRSVCREATE SERVICEDATABASE CRTBCREATE TABLEDATABASE CRTYCREATE TYPEDATABASE CRVWCREATE VIEWDATABASE CRXS适用于:SQL Server 2008 (10.0.x) 及更高版本。 CREATE XML SCHEMA COLLECTIONDATABASE ...
What Are Database Objects? What Is a Schema? A Table: The Primary Storage for Data Integrity Constraints Summary Q&A Workshop ⎙ Print < Back Page 2 of 7 Next > This chapter is from the book This chapter is from the book Sams Teach Yourself SQL in 24 Hours, 4th Ed...
“partner_server”指定SQL Server 实例的服务器网络地址,以充当新数据库镜像会话中的故障转移伙伴。 每个会话需要两个伙伴:一个作为主体服务器启动,另一个作为镜像服务器启动。 建议这两个伙伴驻留在不同的计算机上。在每个伙伴上,为每个会话指定一次此选项。 启动数据库镜像会话需要两个 ALTER DATABASE database ...
After you create an empty database, you create the schema for the Rule Execution Server database.About this task You can run SQL scripts after creating the database or after you deploy the Rule Execution Server EAR. If you want to create the database schema after deploying the EAR, you ...
命名空間: Microsoft.Data.Schema.Sql.SchemaModel 組件: Microsoft.Data.Schema.Sql (在 Microsoft.Data.Schema.Sql.dll 中)語法C# 複製 public abstract SqlDatabaseSchemaProvider SqlDatabaseSchemaProvider { get; } 屬性值型別:Microsoft.Data.Schema.Sql.SqlDatabaseSchemaProvider...