PL/SQL procedure successfully completed. 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. 23. 24. 25. 26. 27. 28. 29. 30. 31. 32. 33. 34. 35. 36. 37. 二、搜索式case语句 -->语法 CASE WHEN
SQL Server Reporting Services, Power View Index .5in is not a valid unit designator. Valid unit designators are in, mm, cm, pt, pc. 'No such host is known' error when configuring Reporting database 'Oracle' data extension not registered 'Return' statement in a Function,Get,or Operator...
$roles= @('WEB','Database')switch($roles) {'Database'{'Configure SQL'}'WEB'{'Configure IIS'}'FileServer'{'Configure Share'} } Output Configure IIS Configure SQL 如果数组中有重复项,则相应的部分会对它们进行多次匹配。 PSItem 可以使用$PSItem或$_来引用已处理的当前项。 当我们执行简单匹配时...
msql2mysql(1) mt(1) multixterm(1) mutt(1) muttbug(1) mv(1) mv(1g) my_print_defaults(1) myisam_ftdump(1) myisamchk(1) myisamlog(1) myisampack(1) mysql-stress-test.pl(1) mysql-test-run.pl(1) mysql(1) mysql.server(1) mysql_51(1) mysql_client_test(1) mysql_client_te...
in执行过程mysql mysql执行过程解析 MySQL的语句执行过程可以表示如下:首先客户端连接MySQL的连接器,连接成功后,先到查询缓存看看,之前是不是执行过这条语句,如果能够命中就返回缓存的value;如果没有缓存则进入词法分析器对SQL语句进行词法解析;语句分析完毕后进入优化器进行SQL语句优化;最后交给引擎执行语句。MySQL连接我们...
SimpleCaseExpression SimpleWhenClause SingleValueTypeCopyOption SizeFileDeclarationOption SoapMethod SoapMethodAction SoapMethodFormat SoapMethodSchemas SortOrder SourceDeclaration SparseColumnOption SpatialIndexingSchemeType SpatialIndexOption SpatialIndexRegularOption Sql100ScriptGenerat...
AzureSqlMITableDataset AzureSqlSink AzureSqlSource AzureSqlTableDataset AzureStorageAuthenticationType AzureStorageLinkedService AzureSynapseArtifactsLinkedService AzureTableDataset AzureTableSink AzureTableSource AzureTableStorageLinkedService BigDataPoolParametrizationReference BigDataPoolReferenceType BinaryDataset BinaryR...
空语句在PL/SQL程序中,可以用NULL语句来说明“不用做任何事情”,相当于一个占位符,可以使某些语句变得有意义,提高程序的可读性。 语法 空语句的用法如下: 1 2 3 4 5 6 7 8 9 DECLARE … BEGIN … IF v_num IS 来自:帮助中心 查看更多 →
sql = switch_mprintf ("select call_id from sip_dialogs where call_info='%q' and ((sip_from_user='%q' and sip_from_host='%q') or presence_id='%q@%q') " "and call_id is not null", switch_str_nil(p), user, host, user, host); ...
case $host in *-darwin*) path_push_unique PKG_CONFIG_PATH /usr/local/opt/libpq/lib/pkgconfig path_push_unique PKG_CONFIG_PATH /usr/local/opt/openssl/lib/pkgconfig ;; esac if test "$PKG_CONFIG" = "no" \ || test x"$enable_core_pgsql_pkgconfig" = x"no" \ || !