The TRUNCATE function returns the first argument, truncated as specified. Truncation is to the number of places to the right or left of the decimal point this is specified by the second argument. TRUNCATETRUNC (
TRUNCATE TABLEhas the same function as aDELETEstatement with noWHEREclause, emptying a table. TRUNCATE TABLEuses less system and transaction log resources as compared withDELETE. DELETEdeletes a row each time, and records the deletion of each row in the transaction log. ...
问如何在SQL Server2005用户定义函数中使用truncate table和insert into table？EN众所周知，TRUNCATE TABLE...
Further, we’ll explore the practical usage of the TRUNCATE TABLE statement in SQL and delete thePersonstable data from theAdventureWorks2019database. First, let’s see how many rows the table contains. To do this, we’ll execute the SELECT query with the COUNT(*) function that returns the...
The name of the table to truncate or from which all rows are removed.table_namemust be a literal.table_namecan't be theOBJECT_ID()function or a variable. WITH ( PARTITIONS ( { <partition_number_expression> | <range> } [ , ...n ] ) ) ...
0.5075不能精确表示为DOUBLE--带或不带（16,2）DOUBLE(16,2)在存储到二进制文件之前，添加一个额外...
SQL DQL :Data Query DML :Data Manipulation DDL :Data Definition create alter truncate drop TCL :Transaction Control DCL :Data Control SQL others SQL FunctionSQL Truncate Table Truncate command in sql is used to delete all the entries from table. But this command will not destroy the table'...
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If scale_expr is larger than the input expression scale, the function does not have any effect. If either the input_expr or the scale_expr is NULL, then the result is NULL. Truncation is performed towards 0, not towards the smaller number. For example, TRUNCATE(-9.6) results in -9, ...