INSERT ALL INTO table_name1(col1,col2,col3) VALUES(val1,val2, val3) INTO table_name2(col1,col2,col3) VALUES(val4,val5, val6) INTO table_name3(col1,col2,col3) VALUES(val7,val8, val9) Subquery; Code language: SQL (Structured Query Language) (sql) Conditional Oracle INSERT AL...
由于Oracle清晰服务器中CPU的数量,他会自动分配合适的子进程的数量来提升并行查询的响应时间。当然,会有其他的外部因素,比如表的划分及磁盘输入/输出子系统的布局等,不过根据cpu_count来设置parallel_max_servers参数将给Oracle一个合理的依据来选择并行的程度。 由于Oracle的并行操作严重依赖服务器上CPU的数量,parallel_...
带条件的多表插入:使用 INSERT ALL,当表 tbl 中col2 的值大于 1 时,向表 tbl1 中插入数据 (10,11,12);当表 tbl 中col3 的值大于 1 时,向表 tbl2 中插入数据 (22,23,24);如果都不满足,则向表 tbl1 中插入数据 (33,34,35)。 obclient> INSERT INTO tbl VALUES(1,2,3); Query OK, 1 ...
sql_id b52m6vduutr8j delete from RecycleBin$ where bo=:1 *** SQL ID: b52m6vduutr8j Plan Hash: 716146596 delete from RecycleBin$ where bo=:1 call count cpu elapsed disk query current rows --- --- --- --- --- --- --- --- Parse 1 0.00 0.00 0 0 0 0 Execute 1 0.13 0...
obclient>INSERT INTO tbl VALUES(1,2,3);Query OK,1row affected obclient>INSERT ALL WHEN col2>1THEN INTO tbl1 VALUES(10,11,12)WHEN col3>1THEN INTO tbl2 VALUES(22,23,24)ELSE INTO tbl1 VALUES(33,34,35)SELECT col2,col3 FROM tbl;Query OK,2rows affected Records:2Duplicates:0Warnings...
The simplest way to create an Oracle INSERT query to list the values using the VALUES keyword. For example: INSERT INTO suppliers (supplier_id, supplier_name) VALUES (5000, 'Apple'); This Oracle INSERT statement would result in one record being inserted into thesupplierstable. This new record...
主表关联的物化视图日志中,direct-path INSERT操作的变化会被存储direct loader日志中 使用限制: 在使用create语句前,必须在物化视图的主表中创建物化视图日志...materialized view logs;而对于direct-path INSERT操作,Oracle会自动创建 direct loader log 如果query包含分析函数或 XMLTable...Oracle 将忽略这些操作对...
Of course don’t combine ALL of them, if the amount is HUGE. Say you have 1000 rows you need to insert, then don’t do it one at a time. You shouldn’t equally try to have all 1000 rows in a single query. Instead break it into smaller sizes. ...
If you omit the column list altogether, then thevalues_clauseor query must specify values for all columns in the table. values_clause For asingle-table insertoperation, specify a row of values to be inserted into the table or view. You must specify a value in thevalues_clausefor each colu...
Mybatis是对JDBC的封装,我们踢掉Mybatis,直接用jdbc+Oracle驱动来验证上面的观点。 1publicstaticvoidmain(String[] args)throwsException{2String sql="insert into users(name,age) values(?,?)";3Class.forName("oracle.jdbc.driver.OracleDriver");4Connection connection=DriverManager.getConnection("jdbc:oracle:...