第七十七章 SQL命令 TRUNCATE TABLE 从表中删除所有数据并重置计数器。 大纲 TRUNCATE TABLE [restriction] tablename 参数 restriction - 可选—以下限制关键字中的一个或多个,用空格隔开:%NOCHECK, %NOLOCK。 tablename - 要从中删除所有行的表。 还可以指定一个可更新视图,通过该
%StatementTypeName," rowcount ",rset.%ROWCOUNT," RowID ",rset.%ROWID,! &sql(DROP TABLE SQLUser.MyStudents1) } 代码语言:javascript 代码运行次数:0 运行 AI代码解释 DHC-APP>d ##class(PHA.TEST.SQLCommand).TruncateTable() CREATE TABLE INSERT rowcount 41 DELETE rowcount 41 INSERT rowcount 1 ...
The TRUNCATE TABLE statement is used to delete the data inside a table, but not the table itself.SyntaxTRUNCATE TABLE table_name; Exercise? What does the SQL DROP TABLE statement do? Deletes a table and all its data from the database Renames an existing table Copies a table and its ...
Here, the SQL command will delete a table namedShippings. Also, make sure you haveadminorDROPpermission to run this command. DROP TABLE Syntax The syntax of the SQLDROP TABLEstatement is: DROPTABLEtable_name; Here,table_nameis the name of the table to be removed. Note:When we delete a ...
TruncateTableStatement TruncateTableStatement Constructors Properties Methods TruncateTargetTableSwitchOption TryCastCall TryCatchStatement TryConvertCall TryParseCall TSEqualCall TSql100Parser TSql110Parser TSql120Parser TSql130Parser TSql140Parser TSql150Parser TSql160Parser TSql80Parser TSql90Parser TS...
第七十七章 SQL命令 TRUNCATE TABLE 从表中删除所有数据并重置计数器。 大纲 TRUNCATE TABLE [restriction] tablename 1. 参数 restriction- 可选—以下限制关键字中的一个或多个,用空格隔开:%NOCHECK,%NOLOCK。 tablename- 要从中删除所有行的表。
Microsoft.SqlServer.TransactSql.ScriptDom.TruncateTableStatement 命名空間:Microsoft.SqlServer.TransactSql.ScriptDom 組件:Microsoft.SqlServer.TransactSql.ScriptDom (在 Microsoft.SqlServer.TransactSql.ScriptDom.dll 中) 語法 C# [SerializableAttribute]publicclassTruncateTableStatement:TSqlStatement ...
To delete all the rows from employee table, the query would be like, TRUNCATE TABLE employee; Difference between DELETE and TRUNCATE Statements:DELETE Statement: This command deletes only the rows from the table based on the condition given in the where clause or deletes all the rows from ...
The T-SQL (Transact-SQL) TRUNCATE TABLE statement is used to delete complete data from an existing table. The T-SQL (Transact-SQL) DROP TABLE statement can also be used to delete complete data of a table but it will delete whole table structure from the database. Hence, TRUNCATE TABLE ...
TruncateTableStatement.Accept 方法项目 2013/04/26 本文内容 语法 请参阅 Accepts visitor. 命名空间: Microsoft.SqlServer.TransactSql.ScriptDom 程序集: Microsoft.SqlServer.TransactSql.ScriptDom(在 Microsoft.SqlServer.TransactSql.ScriptDom.dll 中) 语法 C# 复制 public override void Accept( TSqlFragment...