SQL CREATESEQUENCESchema.SequenceNameASintSTARTWITH1INCREMENTBY1; Managing sequences For information about sequences, querysys.sequences. Examples There are additional examples in the articlesCREATE SEQUENCE,NEXT VALUE FOR, andsp_sequence_get_range. ...
obclient>CREATESEQUENCE test.seq1STARTWITH1MINVALUE1MAXVALUE10INCREMENTBY2NOCYCLE NOORDER CACHE30;Query OK,0rowsaffected obclient>SELECTseq1.nextvalFROMDUAL;+---+|nextval|+---+|1|+---+1rowinsetobclient>SELECTseq1.nextvalFROMDUAL;+---+|nextval|+---+|3|+---+1rowinset...
syntaxsql 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[<constant...
我们回到ClientPreparedStatement.executeQuery创建sendPacket地方看,此时通过((PreparedQuery<?>) this.query).fillSendPacket();拿到的Message对象是null,然后进一步追踪到最后向 MySQL 发送请求的地方NativeSession.execSQL: public<TextendsResultset>TexecSQL(QuerycallingQuery,Stringquery,intmaxRows,NativePacketPayloadpacket...
Query OK,1row affected(0.03sec) mysql>select* from test.t1; +---+---+ |a|b| +---+---+ |11|2| +---+---+ 1rowinset(0.00sec) mysql>insert into test.t1(a,b)values(tdsql_nextval(test.s2),3); Query OK,1row affected...
所以我知道我正在连接到mySql数据库。当我包含con.query命令,并在命令提示符下输入app.js时,我得到以下错误: 连接已建立{ Error:无法在调用退出后进行队列查询。(C:\jrs\codercamp\mysql-test\node_modules\mysql\lib\protocol\sequences\Sequence.js:83:24...
SQL Másolás CREATE SCHEMA Test ; GO A. Creating a sequence that increases by 1In the following example, Thierry creates a sequence named CountBy1 that increases by one every time that it is used.SQL Másolás CREATE SEQUENCE Test.CountBy1 START WITH 1 INCREMENT BY 1 ; GO ...
SQL Kopiér CREATE SCHEMA Test ; GO A. Creating a sequence that increases by 1In the following example, Thierry creates a sequence named CountBy1 that increases by one every time that it is used.SQL Kopiér CREATE SEQUENCE Test.CountBy1 START WITH 1 INCREMENT BY 1 ; GO ...
DEFAULT value for a column in a CREATE TABLE or ALTER TABLE statement Materialized query table definition in a CREATE TABLE or ALTER TABLE statement Condition of a CHECK constraint Input value specification for LOAD CREATE VIEW statement The SELECT list of a subselect that contains a NOT ATOMIC ...
3. QUERY STATEMENT Syntax SELECT [NEXTVAL | CURRVAL | *] FROM schema.sequence_name; SELECT [NEXTVAL | CURRVAL | *] FOR schema.sequence_name; 这里支持两种访问方式,FROM和FOR: FROM clause: 兼容正常的SELECT查询语句,返回的结果是基表的数据,不迭代NEXTVAL。