B:create table tab_new as select col1,col2… from tab_old definition only 创建序列 create sequence SIMON_SEQUENCE minvalue 1 -- 最小值 maxvalue 999999999999999999999999999 -- 最大值 start with 1 -- 开始值 increment by 1 -- 每次加几 cache 20; 删除新表和表中信息 drop table tabname--这...
我们可以在SSMS中创建也可以使用SQL SERVER脚本创建序列对象: 使用SQL创建序列对象: IFEXISTS(SELECT*FROMsys.sequencesWHEREname=N'TestSeq')DROPSEQUENCE TestSeq;GO--创建序列对象CREATESEQUENCE TestSeqASTINYINTSTARTWITH1INCREMENTBY1;GO--创建表CREATETABLETEST(IDtinyint, Namevarchar(150))--产生序列号码并插...
CREATE SEQUENCE Student_SEQ MINVALUE 1 MAXVALUE 999999999999 START WITH 1 INCREMENT BY 1 CACHE 20; GO BEGIN IF (object_id('WMY', 'tr') is not null) DROP trigger WMY END; GO CREATE TRIGGER WMY ON Student instead of INSERT AS BEGIN 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12...
Oracle中有Sequences 功能,可以自定义序列号,而在Sql Sever中(至少在Sever 2000 中)没有发现此功能,因此使用Sql Sever时总觉得有些不方便。为了解决这个问题,笔..
我们可以在SSMS中创建也可以使用SQL SERVER脚本创建序列对象: 使用SQL创建序列对象: AI检测代码解析 IFEXISTS(SELECT*FROMsys.sequencesWHEREname=N'TestSeq')DROPSEQUENCE TestSeq;GO--创建序列对象CREATESEQUENCE TestSeqASTINYINTSTARTWITH1INCREMENTBY1;GO--创建表CREATETABLETEST(IDtinyint, Namevarchar(150))--产...
CREATE TABLE [dbo].[SYS_Sequence](在Sql Ser ver中建立Sequence在Sql Server中建立SequenceOr acl e中有Sequences 功能,可以自定义序列号,而在Sql Sever中(至少在Sever 2000 中)没有发现此功能,因此使用Sql Sever时总觉得有些不方便。为了解决这个问题,笔者经过摸索,在Sql Sever 2000中实现了类似Oracle中的Sequ...
如果数据需要压缩,使用STOREDASSEQUENCE。 创建简单表: 代码语言:javascript 代码运行次数:0 运行 AI代码解释 CREATETABLEperson(nameSTRING,ageINT); 创建外部表: 代码语言:javascript 代码运行次数:0 运行 AI代码解释 CREATEEXTERNALTABLEpage_view(viewTimeINT,useridBIGINT,page_urlSTRING,referrer_urlSTRING,ipSTRING...
When errors such as Error 605, 823, or 3448 occur, the incoming buffer's log sequence number (LSN) value is compared to the recent write list. If the LSN that is retrieved is older than the one specified during the write operation, a new error message is logged in the SQL Server ...
setSequenceId(0); // 从通道读取数据包 ==>SQL try {packetBuf = channel.fetchOnePacket(); if (packetBuf == null) {LOG.warn("Null packet received from network. remote: {}", channel.getRemoteHostPortString()); throw new IOException("Error happened when receiving packet."); } } catch (...
nohup /export/server/hive/bin/hive --service hiveserver2 2>&1 > /tmp/hive-hiveserver2.log &