current,redo size等等, select name,value from v$sesstat,v$statname where v$statname.STATISTIC#=v$sesstat.STATISTIC# and v$ like '%redo size%' and SID=115 和falshback相关的 v$flashback_database_logfile flashback的日志文件相关的信息,Oldest_flashback_scn / Oldest_flashback_time : 这两列用来记...
语法:insertinto[<columnlist,>...]values(<valuelist,>...); 代码://
我们都知道oracle主键自增利用的是序列sequence.我们先创建一个sequence: create sequence test_sequence start increment maxvalue nocache 然后新建一张表,例如te_user表: create table te_user( ) primary key, ), user_pwd ) ) 如果不用trigger的话,我们插入数据是用到了sequence的nextval属性,例如: ') 或者...
ICustomDriverValueConver.go 更新文档:达梦最新驱动已经支持TEXT类型使用string接收 12个月前 IEntity.go GetPkSequence 主键序列,Oracle数据库返回序列名称加 .NEXTVAL,例如 SEQ.NEXTVAL 3个月前 IGlobalTransaction.go 调整FuncGlobalTransaction函数返回值,支持seata-go ...
"item_value" VARCHAR2(100), "comment" VARCHAR2(200), "deleted" SMALLINT default 0 not null, "create_time" TIMESTAMP default CURRENT_TIMESTAMP not null, constraint "PK_dictionary" primary key ("id") ); -- 创建序列 CREATE SEQUENCE DICTIONARY_ID_SEQ ...
If you pass sequence name as parameter, it should retrieve current value of sequence. WarningCallingstmt.lastInsertId()without sequence name outside a transaction or a PreparedStatement should not works. NoteYou can always get insert ID throughoutput syntax. ...
DatabaseID,GroupID,ServerName,SPID,DatabaseName,NTUserName,IntegerData2,RequestID,EventClass,SessionLoginName,NTDomainName,TextData,XactSequence, CPU,ApplicationName,Offset,LoginSid,TransactionID,IntegerData,Duration,SourceDatabaseID,LineNumber,ObjectID,Reads,RowCounts,Writes,IsSystem,ObjectName, ...
语法:insert into [(<columnlist,>...)] values(<valuelist,>...) ; 代码: //把一批数据批量插入到一个备份表中 insert into history_order(order_num,order_date,amount) select order_num,order_date,amount from orders where order_date < '01/01/2000' --- 3.2修改数据Update 语法...
Converting sequences: Oracle SQL Server 1 CREATE SEQUENCE seqname CREATE SEQUENCE seqname 2 INCREMENT BY num Positive or negative increment, default is 1 INCREMENT BY num 3 START WITH num Initial value START [WITH] num 4 MAXVALUE num Maximum value is num MAXVALUE num NOMAXVALUE ...
Thefetchone()function fetch the next row of a query result set, returning a single sequence, or None when no more data is available. whileTrue:# fetch the next row from the query result set. If there are no more rows to fetch, row will be None.row=cursor.fetchone()ifnotrow:breakpr...