AI代码解释 mysql>ALTERTABLEtest_t1ADDtsp2TIMESTAMP;QueryOK,0rowsaffected(0.05sec)Records:0Duplicates:0Warnings:0mysql>DESCtest_t1;+-------+-----------+------+-----+-------------------+-----------------------------+
mysql>createtablet3->(->ts1timestamp,->ts2timestamp,->ts3timestampnotnull->); Query OK,0rows affected (0.01sec) mysql>showcreatetablet3\G***1. row***Table: t3CreateTable:CREATETABLE`t3` ( `ts1`timestampNULLDEFAULTNULL, `ts2`timestampNULLDEFAULTNULL, `ts3`timestampNOTNULL) ENGINE=...
AI代码解释 mysql>CREATETABLEts(->idINTEGERNOTNULLAUTO_INCREMENTPRIMARYKEY,->colTIMESTAMPNOTNULL->)AUTO_INCREMENT=1;QueryOK,0rowsaffected(0.09sec)mysql>CREATETABLEdt(->idINTNOTNULLAUTO_INCREMENTPRIMARYKEY,->colDATETIMENOTNULL->)AUTO_INCREMENT=1;QueryOK,0rowsaffected(0.01sec)mysql>SET@@time_zone='...
mysql> insert into test values(1,'20180109104400'); Query OK, 1 row affected, 1 warning (0.01 sec) mysql> show warning; ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'warning'...
obclient>CREATETABLETimestamp_Sample(timestp1TIMESTAMP,timestp2TIMESTAMP(3));Query OK,0rowsaffected obclient>INSERTINTOTimestamp_Sample(timestp1,timestp2)VALUES(TO_TIMESTAMP('2020-01-01 11:00:00','YYYY-MM-DD HH24:MI:SS'),TO_TIMESTAMP('2020-01-01 11:00:00','YYYY-MM-DD HH24:MI:SS...
database="yourdatabase")# 获取今天的日期today=datetime.date.today()# 创建游标对象cursor=mydb.cursor()# 执行查询语句query="SELECT * FROM yourtable WHERE DATE(timestamp_column) = %s"cursor.execute(query,(today,))# 获取查询结果result=cursor.fetchall()# 打印查询结果forrowinresult:print(row)#...
In the UserProfiles table created above, let’s see an example of if we want to insert a record using SQL Query: insert into UserProfiles values (NEWID(), 'XYZ', 'xyz@gmail.com', '9999999999', CURRENT_TIMESTAMP, CURRENT_TIMESTAMP); Copy Here, instead of CURRENT_TIMESTAMP, we can ...
query.Close; //query.SQL.Text:='select * from tb_test'; query.SQL.Text:='select * from tb_test'; query.Open; except on e:Exception do begin ShowMessage('btnQueryClickException:'+e.Message); end; end; end; procedure TFrmTest.FormCreate(Sender: TObject); ...
线上常用的SQL_MODE有ANSI、STRICT_TRANS_TABLES,推荐使用严格模式 3:TIMESTAMP类型和DATETIME类型的比较 Type Storage(Bytes) Minimum Value Maximum Value 是否跟时区相关 是否有默认行为 int 4 -2147483648 2147483647 否 否 timestamp 4 1970-01-01 00:00:01(UTC) 2038-01-19 03:14:07(UTC) 是 是 dateti...
When the above query is executed, the output is testdb# CREATE FUNCTION Execute a call of this function using the below command and check the records in the COMPANY table. testdb=# select totalRecords(); Simplify PostgreSQL ETL & Analysis with Hevo’s No-code Data Pipeline Hevo is the ...