TABLE_CONSTRAINTS (Transact-SQL) 發行項 2025/01/03 11 位參與者 意見反應 適用於:SQL Server Azure SQL 資料庫 Azure SQL 受控執行個體針對目前資料庫中的每個數據表條件約束,各傳回一個數據列。 這項資訊架構檢視會傳回目前使用者具有許可權之對象的相關信息。
SEARCH PROPERTY LIST SECURITY POLICY SEQUENCE SERVER AUDIT SERVER AUDIT SPECIFICATION SERVER CONFIGURATION SERVER ROLE SERVICE SERVICE MASTER KEY SYMMETRIC KEY TABLE TABLE column_constraint TABLE column_definition TABLE computed_column_definition TABLE index_option ...
2、成绩表: 代码语言:javascript 代码运行次数:0 运行 AI代码解释 ---Table structureforgrade---DROPTABLEIFEXISTS`grade`;CREATETABLE`grade`(`id`int(11)NOTNULLAUTO_INCREMENTCOMMENT'id',`sno`varchar(20)CHARACTERSETutf8COLLATEutf8_unicode_ciNULLDEFAULTNULLCOMMENT'学号',`courseName`varchar(20)CHARACTERSET...
本文转自:https://stackoverflow.com/questions/14229277/sql-server-2008-get-table-constraints You should use the currentsyscatalog views (if you're on SQL Server2005or newer - thesysobjectsviews aredeprecatedand should be avoided) - check out theextensive MSDN SQL Server Books Online documentation ...
SQL Server / Oracle / MS Access: CREATETABLEPersons(Id_PintNOTNULLUNIQUE,LastNamevarchar(255)NOTNULL,FirstNamevarchar(255),Addressvarchar(255),Cityvarchar(255)) 1. 2. 3. 4. 5. 6. 7. 8. 如果需要命名 UNIQUE 约束,以及为多个列定义 UNIQUE 约束,请使用下面的 SQL 语法: ...
The table declaration includes column definitions, names, data types, and constraints. The only constraint types allowed are PRIMARY KEY, UNIQUE KEY, and NULL. For more information about the syntax, see CREATE TABLE (Transact-SQL), CREATE FUNCTION (Transact-SQL), and DECLARE @local_variable (...
These constraints create indexes. If filegroup is specified, the index is stored in the named filegroup. If "default" is specified, or if ON isn't specified at all, the index is stored in the same filegroup as the table. If the PRIMARY KEY or UNIQUE constraint creates a clustered index,...
The number of rows in the table is limited only by the storage capacity of the server. You can assign properties to the table and to each column in the table to control the data that is allowed and other properties. For example, you can create constraints on a column to disallow null ...
Defines the table data type for a Transact-SQL function. The table declaration includes column definitions and column or table constraints. The table is always put in the primary filegroup. <clr_table_type_definition> ( { column_namedata_type } [ , ...n ] ) Applies to: SQL Server 2008...
Defines the table data type for a Transact-SQL function. The table declaration includes column definitions and column or table constraints. The table is always put in the primary filegroup. <clr_table_type_definition> ( { column_namedata_type } [ , ...n ] ) Applies to: SQL Server 2008...