注意:SQL Server 一律傳回 null。 注意 如需getIndexInfo 方法所傳回資料的詳細資訊,請參閱《SQL Server 線上叢書》中的 "sp_indexes (Transact-SQL)"。 範例 下列範例示範如何使用 getIndexInfo 方法來傳回 AdventureWorks2022 範例資料庫中 Person.Contact 數據表之索引和統計數據的相關信息。
AND obj.object_id=col.object_id) AS pro ON =pro.TableName AND =pro.ColumnName --表备注 LEFT JOIN(SELECT obj.name AS TableName,pros.value AS TableDescription FROM sys.objects obj,sys.extended_properties pros where obj.object_id=pros.major_id AND pros.minor_id=0 and obj.type='u') A...
SQLSetCursorName Function SQLSetDescField Function SQLSetDescRec Function SQLSetEnvAttr Function SQLSetParam Function SQLSetPos Function SQLSetScrollOptions Function SQLSetStmtAttr Function SQLSetStmtOption Function SQLSpecialColumns Function SQLStatistics Function SQLTablePrivileges Function SQLTables Function SQLTr...
SELECT DBMS_METADATA.GET_DEPENDENT_DDL ('INDEX', TABLE_NAME, TABLE_OWNER) FROM (SELECT table_name, table_owner FROM Dba_indexes WHERE table_owner = UPPER (TRIM('&TABLE_OWNER')) AND table_name = UPPER (TRIM('&TABLE_NAME')) AND index_name NOT IN (SELECT constraint_name FROM DBA_CONST...
Here we presented just a few examples of the interesting pieces of data you can mine from SQL Server and the performance picture you can paint once you have that data, thanks to system tables. We've looked only at sysprocesses here. However, syslockinfo is an interesting table as well, si...
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--ScriptName : get_table_ddl.sql --Author : 潇湘隐者 --CreateDate : 2018-06-15 --Description : 输出表、表的注释、表的索引、约束、对象权限的DDL语句. *** --Parameters : 参数说明 ***
This can improve the overall performance of your OLTP workload since there are fewer indexes to maintain. SQL Copy --This example creates a nonclustered columnstore index on an existing OLTP table. --Create the table CREATE TABLE t_account ( accountkey int PRIMARY KEY, accountdescription ...
You’re thinking about using Microsoft SQL Server’s columnstore indexes to make your queries go faster. Are they a good fit? Take this one-page test to find out! Think about just one of your tables – the one you’re most likely to use columnstore indexes on – as you answer these ...
table. Sp_server_inforeturnsthevariouspropertiesofthecurrent serverandtheircorrespondingvalues. Sp_sproc_columnsreturnsinformationabouttheinputand outputparametersofthespecifiedstoredprocedure. Sp_statisticsreturnsallindexesonthespecifiedtableor indexviewandstatistics. ...