SQL> ALTER TABLE tb_cons2 2 ADD CONSTRIANT nn_tb_cons2_ename NOT NULL(ename); ADD CONSTRIANT nn_tb_cons2_ename NOT NULL * ERROR at line 2: ORA-00902: invalid datatype SQL> ALTER TABLE tb_cons2 2 ADD CONSTRIANT nn_tb_cons2_ename ename NOT NULL; ADD CONSTRIANT nn_tb_cons2_en...
SQL> SELECT owner,constraint_name,constraint_type,table_name,status,deferrable,validated 2 FROM user_constraints 3 ORDER BY table_name; OWNER CONSTRAINT_NAME C TABLE_NAME STATUS DEFERRABLE VALIDATED --- --- - --- --- --- --- ROBINSON SYS_C005543 C TB_CONSTRAINT_1 ENABLED NOT DEFERRABLE ...
);--查询TB_CONSTRAINT_3的约束信息SQL>SELECTowner,constraint_name,constraint_type,table_name,status,deferrable,validatedFROMuser_constraintsWHEREtable_name='TB_CONSTRAINT_3'; OWNER CONSTRAINT_NAME C TABLE_NAME STATUS DEFERRABLE VALIDATED--- --- - --- --- --- ---ROBINSON PK_TB_CONS3_EMPNO_E...
创建与删除SQL约束或字段约束SQL约束控制 ### 创建与删除SQL约束或字段约束SQL约束控制 在数据库管理中,SQL约束是一种非常重要的机制,用于确保存储在表中的数据的有效性和一致性。通过合理地应用这些约束,可以有效地防止错误数据的插入,从而提高数据... tomcat文档 <res-type>javax.sql.DataSource</...
#defineSQLITE_ERROR1/* SQL错误 或 丢失数据库 | SQL error or missing database */ #defineSQLITE_INTERNAL2/* SQLite 内部逻辑错误 | Internal logic error in SQLite */ #defineSQLITE_PERM3/* 拒绝访问 | Access permission denied */ #defineSQLITE_ABORT4/* 回调函数请求取消操作 | Callback routine ...
Currently, we're getting this in generated code: public static final Domain<Integer> D_YEAR = Internal.createDomain( schema() , DSL.name("d_year") , DSL.comment("") , SQLDataType.INTEGER , Internal.createCheck(null, null, "CHECK (((VALUE >= 1900) AND (VALUE <= 2050)))") , ...
Arduino and SQL Server Are there any Bitmap(ped) indexes in SQL Server? Are there MIN(A,B) or MAX(A,B) functions in SQL? Argument data type datetime is invalid for argument 3 of json_modify function Argument data type sql_variant is invalid for argument 1 of like function Argument dat...
Verzia Microsoft.SqlServer.TransactSql.ScriptDom Hľadať Microsoft.SqlServer.TransactSql.ScriptDom Microsoft.SqlServer.TransactSql.ScriptDom AbortAfterWaitType AcceleratedDatabaseRecoveryDatabaseOption AddAlterFullTextIndexAction AddFileSpec AddMemberAlterRoleAction AddSearchPropertyListAction...
SqlServer.TransactSql.ScriptDom AbortAfterWaitType AddAlterFullTextIndexAction AddFileSpec AddMemberAlterRoleAction AddSearchPropertyListAction AddSignatureStatement AdHocDataSource AdHocTableReference AffinityKind AlgorithmKeyOption AllowConnectionsOptionKind AlterAction AlterA...
SqlServer.TransactSql.ScriptDom AbortAfterWaitType AcceleratedDatabaseRecoveryDatabaseOption AddAlterFullTextIndexAction AddFileSpec AddMemberAlterRoleAction AddSearchPropertyListAction AddSensitivityClassificationStatement AddSignatureStatement AdHocDataSource AdHocTableReference AffinityKind Algorithm...