在MySql 中,内联同时删除多表可以使用这样的语法: refs http://stackoverflow.com/questions/783726/how do i delete from multiple tables using inner join in sql server
16:完全刷新时删除老数据使用 DELETE 方式.支持使用上述有效值的组合值,如 7 表示同时进行 1、2、4 的优化 从oracle 迁移到达梦,触发器如何寻找依赖关系? 【问题描述】 从oracle 迁移到达梦,发现达梦的触发器数量多于 oracle ,达梦比 oracle 多的触发器命名规则为 REF_CON_TRIGXXXXXX、SREF_CON_TRIGXXXXX_AS...
imp \'/ AS SYSDBA\' file=/tmp/exp_ddl_lhr_01.dmp show=y log=/tmp/get_ddl.sql buffer=20480000 full=y [ZFZHLHRDB1:oracle]:/oracle>exp \'/ AS SYSDBA\' tables=scott.emp file=/tmp/exp_ddl_lhr_01.dmp log=/tmp/exp_table.log buffer=41943040 rows=n compress=n Export: Release 11.2...
When exporting partition you can exclude some partition tables by using ora2pg -p -c ora2pg.conf -t PARTITION -e 'PARTITION[PART_199.* PART_198.*]' This will exclude partitioned tables for year 1980 to 1999 from the export but not the main partition table. The trigger will also be ...
The BULK COLLECT INTO clause can improve the performance of queries that reference collections. You can use BULK COLLECT INTO with tables of scalar values, or tables of %TYPE values. The PL/SQL block in Example 6-10 queries multiple values into PL/SQL tables, with and without...
Transactions consist of reading (SELECT statements), writing (INSERT and UPDATE statements), and deleting (DELETE statements) data in database tables. Custom database This template allows you maximum flexibility in defining a database because you can change any of the settings for the database ...
This wizard creates a form which displays a master row and multiple detail rows within a single HTML form. With this form, users can query, insert, update, and delete values from two tables or views. See Also: "Building a Master Detail Form" on page 8-20 ■ Improved Web services ...
'<OraclePublisherName>' has been previously configured to use '<SQLServerDistributorName>' as its Distributor. To begin using '<NewSQLServerDistributorName>' as its Distributor, you must remove the current replication configuration on the Oracle server instance, which will delete all publications on ...
client where only the rowset binaries are present and not the driver binaries. The remote client could alter the RowSet by insert, delete or update. Then send it back to the place where the Jdbc drivers & the RowSet binaries are present to synchronize the modified values into the database...
Indexes on Materialized Views – Consider entire workload – Consider Impact on insert/update/delete Customers Talk - Oracle Bug DB y Problem – Near 100% CPU usage y Solution – ADDM automatically identified a high-load SQL which caused performance slowdown every 4 hours – SQL Tuning Advisor ...