INSERT INTO table_name (column1, column2, column3, ...) SELECT column1, column2, column3, ... FROM another_table WHERE condition; another_table:源表的名称。 condition:选择数据的条件(可选)。 示例 示例1:基本插入操作 假设有一个名为employees的表,包含以下列:employee_id, first_name, last...
是的,Oracle的INSERT INTO语句支持使用子查询来插入数据。可以在INSERT INTO语句中使用SELECT子查询来获取要插入的数据。例如: INSERT INTO table_name (column1, column2, column3) SELECT column1, column2, column3 FROM another_table WHERE condition; 复制代码 在这个例子中,SELECT子查询会从另一个表中选择数...
FROM another_table WHERE condition; 这将从另一个表中选择满足条件的行,并将它们插入到目标表中。 使用序列: 在Oracle中,序列是一种生成唯一数值的对象。可以在INSERT INTO语句中使用序列来插入唯一的数值。例如: INSERT INTO table_name (column1, column2, column3, ...) VALUES (sequence_name.nextval, ...
INFILE "users_data.csv"--指定外部数据文件,可以写多个 INFILE "another_data_file.csv" 指定多个数据文件 // INFILE 'tt.date' // 导入多个文件 --这里还可以使用 BADFILE、DISCARDFILE 来指定坏数据和丢弃数据的文件,truncate--操作类型,用 truncate table 来清除表中原有记录INTOTABLEusers--要插入记录的表...
REMAP_DATAFILE Redefine datafile references in all DDL statements. REMAP_SCHEMA Objects from one schema are loaded into another schema. REMAP_TABLESPACE Tablespaceobject are remapped to another tablespace. REMAP_SCHEMA可以定义用户的切换,其格式为: remap_schema=old_schema_name:new_schema_name REMAP_TABL...
SQL> select * from dba_flashback_archive_tables; 查看表emp1和归档名的关系SQL> alter table scott.emp1 no flashback archive; 将表scott.emp1从闪回归档中取消SQL> select segment_name,segment_type from dba_segments where tablespace_name='FDA';...
table_name||'"' INTO v_cc; INSERT INTO TABLE_HASH VALUES(c.owner,c.table_name,v_cc); END LOOP; COMMIT; END; / EXIT; EOF done -- 校验-- 可以在目标库创建源端db link进行比对 -- 也可以将源端比对数据表导入目标库进行比对 COL OWNER FOR A20 COL TABLE_NAME FOR A40 SET LINES 200 ...
To insert a view into a report: 1. In a report you are editing, click Insert View in the toolbar. The view opens and the selection handles are active. 2. You can do any of the following to arrange your view: â Click a handle and drag in a direction to resize the view...
In either case, drop and re-create the database to have your JIRA applications re-populate the schema with the new definitions (or manually move the data to another table with the new definition and swap it with the previously defined object). ...
Get tables This operation gets tables from a database. Insert row This operation inserts a new row into a table. Update row This operation updates an existing row in a table.Delete rowOperation ID: DeleteItem This operation deletes a row from a table. Parameters 展開資料表 NameKeyRequired...