CREATE INDEX IDX_Users_UserName ON #Users(UserName) [/cc] Even though you can implicitly create a clustered index on a table variable (@table) by defining a primary key or unique constraint, it is generally more efficient to use a temp table. The downside is recompilation, however this ca...
ORA-14452: attempt to create, alter or drop an index on temporary table already in use : Temporary Table « Table « Oracle PL / SQL
Index on a local temp table XML index DROP INDEX Disabled index XML index Nonclustered index Index on a local temp table Multiple indexes cannot be specified within a single statement. ALTER TABLE ADD CONSTRAINT (PRIMARY KEY or UNIQUE) Index on a local temp table Clustered index Only one sub...
Reporter:Yuwei YangEmail Updates: Status:UnsupportedImpact on me: None Category:MySQL ServerSeverity:S3 (Non-critical) Version:5.7.35OS:Any Assigned to:CPU Architecture:Any [23 Nov 2021 10:33] Yuwei Yang Description:Below error received when creating an index on a temp table: Error on rename...
Index on a local temp tableSpecifying the keywordALLcan cause the operation to fail when the table contains an excluded index. Additional restrictions on rebuilding disabled indexes apply. For more information, seeDisable Indexes and Constraints. ...
CREATE [ UNIQUE ] INDEX [ CONCURRENTLY ] [ [ IF NOT EXISTS ] name ] ON [ ONLY ] table_name [ USING method ] ( { column_name | ( expression ) } [ COLLATE collation ] [ opclass [ ( opclass_parameter = value [, ... ] ) ] ] [ ASC | DESC ] [ NULLS { FIRST | LAST } ...
如果没有指定,将会使用 default_tablespac。或者对临时表上的索引使用 temp_tablespaces。 predicate部分索引的约束表达式。 索引存储参数 可选的WITH子句为索引指定存储参数。每一种索引方法都有自己的存储参数集合。B-树、哈希、GiST 以及 SP-GiST 索引方法都接受这个参数: fillfactor (integer) 索引的填充因子是一个...
using System; using System.IO; public class TestLastIndexOf { public static void Main() { string filename; filename = ExtractFilename(@"C:\temp\"); Console.WriteLine("{0}", String.IsNullOrEmpty(filename) ? "<none>" : filename); filename = ExtractFilename(@"C:\temp\delegate.txt")...
using System; using System.IO; public class TestLastIndexOf { public static void Main() { string filename; filename = ExtractFilename(@"C:\temp\"); Console.WriteLine("{0}", String.IsNullOrEmpty(filename) ? "<none>" : filename); filename = ExtractFilename(@"C:\temp\delegate.txt")...
using System; using System.IO; public class TestLastIndexOf { public static void Main() { string filename; filename = ExtractFilename(@"C:\temp\"); Console.WriteLine("{0}", String.IsNullOrEmpty(filename) ? "<none>" : filename); filename = ExtractFilename(@"C:\temp\delegate.txt")...