您可以使用 sp_sequence_get_range 一次取得多個序號。如需使用 CREATE SEQUENCE 和NEXT VALUE FOR 函數的相關資訊和案例,請參閱 序號。Transact-SQL 語法慣例語法syntaxsql 複製 CREATE SEQUENCE [schema_name . ] sequence_name [ AS [ built_in_integer_type | user-defined_integer_type ] ] [ START ...
SEQUENCE是一个存放等差数列的特殊表,该表受DBMS控制。这个表没有实际意义,通常用于为行或者表生成唯一的标识符。 如果给出一个模式名,则该序列就在给定的模式中创建,否则会在当前模式中创建。序列名必须和同一个模式中的其他序列、表、索引、视图或外表的名字不同。
syntaxsql Copier CREATE SEQUENCE [schema_name . ] sequence_name [ AS [ built_in_integer_type | user-defined_integer_type ] ] [ START WITH <constant> ] [ INCREMENT BY <constant> ] [ { MINVALUE [ <constant> ] } | { NO MINVALUE } ] [ { MAXVALUE [ <constant> ] } | { NO ...
SQL 型 V4.0.0-preview 参考指南 应用开发参考 SQL 语法 普通租户(MySQL 模式) SQL 语句 CREATE SEQUENCE 更新时间:2023-07-25 13:45:37 描述 该语句用来创建序列。序列属于数据库对象,用户可以从序列中生成唯一整数。 如果两个用户同时递增同一个序列,那么每个用户获取的序列号可能会有间隔,一个用户永远无法获...
To view Transact-SQL syntax for SQL Server 2014 (12.x) and earlier versions, see Previous versions documentation. Arguments sequence_name Specifies the unique name by which the sequence is known in the database. Type is sysname. [ built_in_integer_type | user-defined_integer_type A sequence...
If the Database Engine is stopped after you use 22 numbers, the next intended sequence number in memory (23) is written to the system tables, replacing the previously stored number. After SQL Server restarts and a sequence number is needed, the starting number is read from the system tables...
Learn more about the Microsoft.SqlServer.TransactSql.ScriptDom.CreateSequenceStatement.CreateSequenceStatement in the Microsoft.SqlServer.TransactSql.ScriptDom namespace.
syntaxsqlCopy CREATESEQUENCE[schema_name. ]sequence_name[AS[built_in_integer_type| user-defined_integer_type] ] [STARTWITH<constant>] [INCREMENTBY<constant>] [ {MINVALUE[<constant>] } | {NOMINVALUE} ] [ {MAXVALUE[<constant>] } | {NOMAXVALUE} ] [CYCLE| {NOCYCLE} ] [ {CACHE[<cons...
If the Database Engine is stopped after you use 22 numbers, the next intended sequence number in memory (23) is written to the system tables, replacing the previously stored number. After SQL Server restarts and a sequence number is needed, the starting number is read from the system t...
CREATESEQUENCEtask_id_seq;Code language:SQL (Structured Query Language)(sql) Third,insertdata into thetaskstable: INSERTINTOtasks(id, title)VALUES(task_id_seq.NEXTVAL,'Create Sequence in Oracle');INSERTINTOtasks(id, title)VALUES(task_id_seq.NEXTVAL,'Examine Sequence Values');Code language:SQL ...