mysql>UPDATEperformance_schema.setup_threadsSETHISTORY='NO'->WHERENAME='thread/sql/event_scheduler'; 用户线程的设置不在setup_threads表中,而是在setup_actors表中 在这里插入图片描述 例:启用了yihui@localhost和yihui@example.com的监测,禁用yihui@localhost的历史记录,并禁用从localhost连接的所有用户的监测和历史...
SQL> CREATE TABLESPACE lobts1 ... in shardspace shspace1; SQL> CREATE TABLESPACE lobts2 ... in shardspace shspace2; Create a tablespace for the duplicated tables. In this example the duplicated table is the Products table in the sample Customers-Orders-Products schema. Copy SQL> CREATE T...
After starting the KVStore instance, the Avro schemas used by the example must be added to the store using the administration command line interface (CLI). First start the admin CLI as described in the Oracle NoSQL Database Administrator's Guide. Then enter the following commands to add the ...
For example, in the previous query, urn:schemas-microsoft-com:sql:SqlRowSet1 is the target namespace. XML Copy urn:schemas-microsoft-com:sql:SqlRowSetn The change in the target namespaces in the result that occurred from one execution to another may not be desirable. For examp...
If, for example, you want to set a number of defaults for all articles of an object type, but also want to set some properties for individual objects, set the defaults for all articles first. Then set the properties for the individual objects. In the Copy Objects and Settings to ...
The number of columns in the temporary table. The number includes three hidden columns created byInnoDB(DB_ROW_ID,DB_TRX_ID, andDB_ROLL_PTR). SPACE The ID of the temporary tablespace where the temporary table resides. In 5.7, non-compressedInnoDBtemporary tables reside in a shared temporary...
As its name implies, the SqlMembershipProvider uses a Microsoft SQL Server database as the user store. In order to use this provider in an application, we need to tell the provider what database to use as the store. As you might imagine, the SqlMembersh...
Examplemysql> SELECT * FROM INFORMATION_SCHEMA.INNODB_BUFFER_PAGE LIMIT 1\G *** 1. row *** POOLID: 0 BLOCK_ID: 0 SPACE: 97 PAGE_NUMBER: 2473 PAGE_TYPE: INDEX FLUSH_TYPE: 1 FIX_COUNT: 0 IS_HASHED: YES NEWEST_MODIFICATION: 733855581 OLDEST_MODIFICATION: 0 ACCESS_TIME: 3378385672...
For example, a trigger called trCustomerTest could be written to update its value to the current date and time whenever a row is updated or inserted into the Customers table using the built-in SQL Server GETDATE function, as shown in the following code: 复制 CREATE TRIGGE...
For example, the following query retrieves an XML schema collection (ProductDescriptionSchemaCollection) from the production relational schema in theAdventureWorks2022database. SQL SELECTxml_schema_namespace(N'Production',N'ProductDescriptionSchemaCollection'); GO ...