Here's an example of how you might construct a query to truncate all tables in a SQL Server database.DECLARE @TableName NVARCHAR(128) DECLARE @TruncateQuery NVARCHAR(MAX) DECLARE tableCursor CURSOR FOR SELECT T
TRUNCATE TABLE dbo.T1 SELECT * FROM dbo.T1 AS T ROLLBACK A solution that can TRUNCATE all tables In order to truncate all tables in your database you must first remove all the foreign key constraints, truncate the tables, and then restore all the constraints. The below script accomplishes ...
4) Reseed the identities of all tables to its initial value.5) Enable all the constraints/triggers for all the tables.Note: This is a batch t-sql code which does not create any object in database. If any error occurs, re-run the code again. It does not use TRUNCATE statement to ...
Write SQL DDL corresponding to the schema in Figure 3.17. Make any reasonable assumptions about data types, and be sure to declare primary and foreign keys. Solution 代码语言:javascript 代码运行次数:0 运行 AI代码解释 create table person (driver_id varchar(50), name varchar(50), address varchar...
TRUNCATE TABLE [schema_name.]table_name [ PRESERVE MATERIALIZED VIEW LOG | PURGE MATERIALIZED VIEW LOG ] [ DROP STORAGE | REUSE STORAGE ] ; The following table describes the Oracle TRUNCATE TABLE statement parameters. To illustrate the usage of TRUNCATE TABLE in practice, we’ll are going to ...
The name of the schema to which the table belongs. table_name 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> } ...
TRUNCATE TABLE [ { database_name.[ schema_name ]. | schema_name . } ] table_name [ ; ] 参数 database_name 数据库的名称。 schema_name 表所属架构的名称。 table_name 要截断的表的名称,或要删除其全部行的表的名称。 注释 与DELETE 语句相比,TRUNCATE TABLE 具有以下优点: ...
where a.CONSTRAINT_NAME=b.CONSTRAINT_NAMEand a.R_CONSTRAINT_NAME=c.CONSTRAINT_NAMEand a.CONSTRAINT_TYPE='R'and c.TABLE_NAMElike'T_PROD%'; 2、查询一段时间内 sql 单次执行时间 代码语言:javascript 代码运行次数:0 运行 AI代码解释 select sql_id,s.SQL_TEXT,s.ELAPSED_TIME/s.EXECUTIONSfrom v$...
0 FROM SYSCAT.TABLES TABLES WHERE TABLES.TABSCHEMA='<schema name>' AND TABLES.TABNAME='<table name>' UNION ALL SELECT TABDEP.TABSCHEMA, TABDEP.TABNAME, TABDEP.DTYPE, TABLES.PROPERTY, TABLES.REFRESH, TABLES.STATUS, TABLES.CONST_CHECKED, DEP_TAB.LEVEL + 1 FROM SYSCAT.TABDEP TABDEP, DEP...
Optional. If specified, it is the name of the schema that the table belongs to. table_name The table that you wish to truncate. WITH ( PARTITIONS ( partition_number | partition_number TO partition_number ) Optional and can only be used with partitioned tables. If specified,partition_number...