ALTER SESSION SET {{config_parameter{ { TO | = } { value | DEFAULT } | FROM CURRENT }} | CURRENT_SCHEMA [ TO | = ] { schema | DEFAULT } | TIME ZONE time_zone | SCHEMA schema | NAMES encoding_name | ROLE role_name PASSWORD 'password' | SESSION AUTHORIZATION { role_name PASSWORD...
The parameter may be set to one of these values:Region base zone ID Region IDs must have the form ‘area/city’, such as America/Los_Angeles. For a list of valid timezones, see List of tz database time zones. Zone offset Zone offsets must be in the format ‘(+|-)HH’, (+|-...
达梦数据库初始化参数分为手动、 静态和动态三种类型,分别对应V$PARAMETER视图中 TYPE列的READ ONLY、 IN FILE、 SYS/SESSION。服务器运行过程中,手动(READ ONLY) 参数不能被修改,静态和动态参数可以修改。 静态(IN FILE)参数只能通过修改 dm.ini 文件进行修改, 修改后重启服务器才能生效,为系统级参数,生效后会...
22505 The local date or time length has been increased, but the executing program relies on the old length. 22506 A reference to a datetime special register is invalid, because the clock is malfunctioning or the operating system time zone parameter is out of range. 22508 CURRENT PACKAGESET is...
22506 A reference to a datetime special register is invalid, because the clock is malfunctioning or the operating system time zone parameter is out of range. 22508 CURRENT PACKAGESET is blank. 22511 The value for a ROWID or reference column is not valid. 22512 A variable in a predicate is ...
datetime2.month =12; datetime2.day =26; datetime2.hour =0; datetime2.minute =0; datetime2.second =0; datetime2.fraction =100;// Initialize the timestampoffset structuredateTimeOffset.year =2007; dateTimeOffset.month =3; dateTimeOffset.day =11; dateTimeOffset.hour =2; dateTimeOffset.minute =3...
对于OLAP,服务器会为所有SQL语句,如select,explain select,及set parameter,打开事务。 对于OLTP,服务器仅为DML语句,如INSERT, UPDATE, 及DELETE,打开事务。 重用连接 “重用连接”允许用户为结果集选择相同的SQL终端连接或新连接。根据数据库服务器中定义的隔离级别,该选择会影响记录的可见性。
[3].tso.minute = 3; rgDttEx[3].tso.second = 5; rgDttEx[3].tso.fraction = 0; rgDttEx[3].tso.timezone_hour = -5; rgDttEx[3].tso.timezone_minute = 0; // Add parameter info hr = pUnkCommand->SetParameterInfo(sc_cParams, rgParamOrdinals, rgParamBindInfo); // Execu...
millis);switch(outType.typeCode) {caseTypes.SQL_DATE :caseTypes.SQL_TIMESTAMP : parameterValues[i] =newTimestampData(millis /1000);break;caseTypes.SQL_TIMESTAMP_WITH_TIME_ZONE:intzoneOffset = HsqlDateTime.getZoneMillis(calendar, millis); ...
from_time_expr- (Optional) SQL time window-start. max_retries- (Optional) Maximum retries. max_run_time_in_seconds- (Optional) SQL timeout. parameters- (Optional, Map) Parameter configuration. resource_pool- (Optional) Resource Pool.