altersequence sq_1 restartwith100 selectnextvalueforsq_1 3.Sequence一个需要注意的情况是Sequence只负责生成序列号,而不管序列号如何使用,如果事务不成功或回滚,SequenceNumber仍然会继续向后生成序列号, altersequence sq_1 restartwith200--重置为200 begintran
INSERTINTOTableName(SequenceNumber,Column1,Column2)VALUES(NEXTVALUEFORMySequence,Value1,Value2); 1. 2. 这段代码的含义是将从MySequenceSequence对象中获取的下一个序列号插入到SequenceNumber列中。 现在,你已经掌握了在SQL Server中增加序列号的方法,希望这篇文章对你有所帮助! 40%30%30%SQL Server增加序列...
'sql');--seq2.NEXTVAL for OracleINSERTINTOtest_seq(id, name)VALUES(NEXTVALUEFORseq2,'java');--nextval('seq2') for PostgreSQLINSERTINTOtest_seq(id, name)VALUES(NEXTVALUEFORseq2,'c++');SELECTid, nameFROMtest_seq;
DECLARE@NextIDASINT;SET@NextID =NEXTVALUEFORTest.CountBy1;INSERTTest.Orders (OrderID,Name, Qty)VALUES(@NextID,'Rim',2); C. Using a sequence number in multiple tables This example assumes that a production-line monitoring process receives notification of events that occur throughout the worksh...
CREATE SCHEMA Test; GO CREATE TABLE Test.Orders ( OrderID INT PRIMARY KEY, Name VARCHAR (20) NOT NULL, Qty INT NOT NULL ); GO CREATE SEQUENCE Test.CountBy1 START WITH 1 INCREMENT BY 1; GO INSERT Test.Orders (OrderID, Name, Qty) VALUES ( NEXT VALUE FOR Test.CountBy1, 'Tire', ...
常用SQL指令:select ,insert, delete ,update ,create , drop Select 查询语句 DML数据操作语句(insert、updata、delete、merge) DDL数据定义语句(create、 alter、drop、truncate) DCL数据控制语句(grant、revoke) TCL事务控制语句(commit、rollback、savepoint) ...
2.1 insert 语句 2.2 update 语句 2.3 delete 语句 2.4 select 语句 2.5 其他操纵语言 2.5.1 truncate 语句 2.5.2 merge 语句 三、用户角色权限 3.1 用户相关 3.1.1 创建用户 3.1.2 修改用户 3.1.3 删除用户 3.1.4 监视用户 3.2 权限管理相关 3.2.1 权限分类 3.2.2 系统权限 3.2.3 实体权限 3.2.3 实...
GOCREATESEQUENCETest.CountBy1STARTWITH1INCREMENTBY1; GOINSERTTest.Orders (OrderID,Name, Qty)VALUES(NEXTVALUEFORTest.CountBy1,'Tire',2);INSERTtest.Orders (OrderID,Name, Qty)VALUES(NEXTVALUEFORTest.CountBy1,'Seat',1);INSERTtest.Orders (OrderID,Name, Qty)VALUES(NEXTVALUEFORTest.CountBy1,'Br...
insert into AllSequences (SeqName, Seed, Incr, CurrVal) values (@SeqName, @Seed, @Incr, @CurrVal) end go The following stored procedure is used to generate the next value of the specified sequence through input parameterSeqName. create procedure usp_GetNewSeqVal ...
默认只分析SELECT、INSERT、UPDATE、DELETE这四类Query的耗时占比情况。 DML趋势 展示DML Query的执行次数趋势。 默认只分析SELECT、INSERT、UPDATE、DELETE这四类Query。 DDL趋势 展示DDL Query的执行次数趋势。 仅包含CREATE TABLE、DROP TABLE、TRUNCATE TABLE、ALTER TABLE、CALL、CREATE EXTENSION、CREATE FOREIGN TABLE...