我尝试过describe、describe table和其他一些我在不同文章中发现的东西,但似乎都没有用。我相信我的方法调用的语法是正确的,因为这对我来说很好:ActiveRecord::Base.connection.execute("select * from resorts;") 是否有一条SQL语句可以显示该表中有关约束&# 浏览5提问于2020-01-22得票数 0 回答已采纳 2回答 ...
create table,show tables,describe table,DROP TABLE,ALTER TABLE ,怎么使用? CHAR(30) NOT NULL, first_name CHAR(30) NOT NULL, d DATE NOT NULL); show tables;显示当前数据库中的Tables describe 2.1K10 Oracle 19C同版本 non-cdb 转换为 cdb+pdb(DBMS_PDB.DESCRIBE方式) 参考文章:Oracle NON-CDB转换...
Oracle/OAS DESCRIBE TABLENAME gives me : "java.sql.SQLSyntaxErrorException: ORA-00900: invalid SQL statement" Jason Smit Ranch Hand Posts: 57 posted 10 years ago I have tried the following SQL but it returned an error: DESCRIBE DOGNAME; error: java.sql.SQLSyntaxErrorException: ORA...
Progress String 1 rows/s (row: 5/5, table: 1/1) 全量校验任务进展。 IncDataCheckStatus Object 增量校验状态信息。 Status String Checking 增量校验任务的状态,返回值为: Catched:无延迟。 NotStarted:未开始。 Checking:校验中。 Failed:校验失败。 Percent String 95 增量校验任务的进度,单位为百分比。 Er...
OracleSID String testsid The system ID (SID) of the Oracle database. Note This parameter is returned only if the return value of EngineName of the source instance is Oracle and the Oracle database is deployed in a non-Real Application Cluster (RAC) architecture. SslSolutionEnum String ...
OracleSID String testsid The SID of the Oracle database. Note This parameter is returned only if the return value of EngineName of the source instance is Oracle and the Oracle database is deployed in a non-RAC architecture. Region String cn-hangzhou The ID of the region where the sou...
Table: Weekly Timetable 3.9 TIME LINE This complete project can be completed in 5 months approximately due to several festival holidays. Following are the key tasks involved in the project and I’m giving the approximate weeks to complete ...
PostgreSQL"DESCRIBE TABLE" TypeScript找不到名称“describe” describe命令和外键 使用describe()方法排除列 巨蟒熊猫。Describe()按日期 命令'describe table‘未经授权 describe()返回所有空值 以dict形式表示pandas describe() 向Pandas describe()方法添加范围 spark sql中的DESCRIBE with LIMIT 切片groupby.describe数据...