1 mysql> create table TABLE_NAME(id INT NOT NULL AUTO_INCREMENT, Name VARCHAR(16) NOT NULL,PRIMARY KEY(id)); 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. 这里就体现出来了,我们使用唯一索引和唯一键约束都可以创建一条唯一索引。在创建唯...
MYI: my index 索引文件 InnoDB 存储表文件的作用: .ibd:存放数据库表数据和索引数据库:数据库也是以文件形式存储在磁盘上 Data文件中二、innodb的事物处理如果MySQL...MyISAM不支持三、建表的注意事项表的字段之间要使用逗号隔开 最后一个字段不要存在逗号数据表名不要和字段名重名 auto_increment 属性 必须依赖于...
HOST_NAME() --函数返回服务器端计算机的名称 IDENTITY(<data_type>[, seed increment]) [AS column_name]} --IDENTITY() 函数只在SELECT INTO 语句中使用用于插入一个identity column列到新表中 /*select identity(int, 1, 1) as column_name into newtable from oldtable*/ ISDATE() --函数判断所给定...
Execution IDIntegerAn auto-increment ID related to the data pipeline job Event typeTextError: This log entry is generated once an error occurs during the data pipeline execution Warning: This log entry is raised when some non-critical issues may cause a defect in the processed data or affect...
The table handler does not remember the last used AUTO_INCREMENT value, but starts counting from the beginning. This is true even for MyISAM and InnoDB, which normally do not reuse sequence values. Truncate in MySQL Any AUTO_INCREMENT value is reset to its start value. This is true even ...
const config = { kafka: { noptions: { "metadata.broker.list": "localhost:9092", "group.id": "n-test-group", "enable.auto.commit": false, "debug": "all", "event_cb": true, "client.id": "kcs-test" }, tconf: { "auto.offset.reset": "earliest", "request.required.acks": 1...
Sql Auto increment in View SQL AWAITING COMMAND / SLEEPING bloking most of the running processes wthout genrating any deadlock SQL backup fails - error 23 cyclic redundancy check fails SQL Backup Timeout Expired SQL Browser and 1434 in SQL Server 2016 SQL Capacity planning SQL collation, German...
1. Set @@ROWCOUNT to the number of rows affected or read. Rows may or may not be sent to the client. 2. Preserve @@ROWCOUNT from the previous statement execution. 3. Reset @@ROWCOUNT to 0 but do not return the value to the client. ...
1. Set @@ROWCOUNT to the number of rows affected or read. Rows may or may not be sent to the client. 2. Preserve @@ROWCOUNT from the previous statement execution. 3. Reset @@ROWCOUNT to 0 but do not return the value to the client. ...
*/;SET@@session.foreign_key_checks=1,@@session.sql_auto_is_null=0,@@session.unique_checks=1,@@session.autocommit=1/*!*/;SET@@session.sql_mode=1436549152/*!*/;SET@@session.auto_increment_increment=1,@@session.auto_increment_offset=1/*!*/;/*!\C utf8mb4*//*!*/;SET@@session....