Connection-level settings that are set by using the SET statement override the default database setting for CURSOR_CLOSE_ON_COMMIT. ODBC and OLE DB clients issue a connection-level SET statement setting CURSOR_CLOSE_ON_COMMIT to OFF for the session, by default. The clients run the statement ...
SET_CONFIG Funções de informação do sistema CURRENT_AWS_ACCOUNT CURRENT_DATABASE CURRENT_NAMESPACE CURRENT_SCHEMA CURRENT_SCHEMAS CURRENT_SESSION_ARN CURRENT_USER CURRENT_USER_ID DEFAULT_IAM_ROLE GET_MOUNTED_ROLE HAS_ASSUMEROLE_PRIVILEGE HAS_DATABASE_PRIVILEGE HAS_SCHEMA_PRIVILEGE HAS_TABLE_...
SET NULL: The update or delete goes ahead in the parent table, and the corresponding foreign key fields in the child table are set toNULL. (They must not be defined asNOT NULLfor this to succeed). SET DEFAULT: This option is implemented only for the legacy PBXT storage engine, which is...
so a simple security fix to allow more control of access to objects in the database is to not use the schema to connect the application to the database and create a connect user for each application and make grants on only the needed objects and then use ALTER SESSION SET CURRENT_SCHEMA=...
SQL> alter session set events '10046 trace name context forever, level 12'; 会话已更改。 SQL> alter index ind_wwftest rebuild; 索引已更改。 SQL> alter session set events '10046 trace name context off'; 会话已更改。 检查导出文件,我们可以在其中发现: ...
For existing rows, the value is the CURRENT USER, SESSION_USER, or SYSTEM_USER of the ALTER TABLE statement. CURRENT SCHEMA Specifies the value of the CURRENT SCHEMA special register at the time of INSERT, UPDATE, or LOAD as the default for the column. If CURRENT SCHEMA is specified, the...
SESSION_USER VARCHAR(128) USER VARCHAR(18) The column cannot have a DEFAULT clause or a field procedure. For existing rows, if the column is nullable, the null value is assigned as the value of the column. Otherwise, the value of the column is set to a string with length 0. built-in...
BEGIN TRAN; -- Set SYSTEM_VERSIONING to OFF ALTER TABLE [dbo].[YourTable] SET (SYSTEM_VERSIONING = OFF); -- Drop Primary Key ALTER TABLE [dbo].[YourTable] DROP CONSTRAINT [PK_YourTable]; -- Alter table to update int to bigint on the PK column ALTER TABLE [dbo].[YourTable] A...
通过:符号,可以连续设置多个事件,也可以通过连续使用alter session set events来设置多个事件。 格式说明: eventnumber指触发dump的事件号,事件号可以是Oracle错误号(出现相应错误时跟踪指定的事件)或oralce内部事件号,内部事件号在10000到10999之间,不能与immediate关键字同用。
(and dropped). *Session variables are reinitialized to the values of the corresponding variables. This also affects variables that are set implicitly by statements such as SET NAMES. *User variable settings are lost. *Prepared statements are released. *HANDLER variables are closed. *The value of...