If neither IGNORE nor REPLACE is specified, duplicate unique key values result in an error. For more information, see The Effect of IGNORE on Statement Execution. You can also use a VALUES statement in the SELECT part of CREATE TABLE ... SELECT; the VALUES portion of the statement must ...
mysql> create table t9(name char(4)); # 超出四个字符报错,不够四个 就用字符空格补全 Query OK, 0 rows affected (0.04 sec) mysql> create table t10(name varchar(4)); # 超出四个字符报错,不够四个有几个就存几个 Query OK, 0 rows affected (0.04 sec) mysql> insert into t9 values('...
On_duplicatePT_create_table_stmt::on_duplicate private bool PT_create_table_stmt::only_if_not_exists private constMem_root_array<PT_create_table_option*>* PT_create_table_stmt::opt_create_table_options private Table_ident* PT_create_table_stmt::opt_like_clause ...
Bug #68713 create_duplicate_weedout_tmp_table() leaves key_part_flag uninitialized Submitted: 19 Mar 2013 7:53Modified: 25 Mar 2015 14:45 Reporter: Alexey Kopytov Email Updates: Status: Closed Impact on me: None Category: MySQL Server: OptimizerSeverity: S3 (Non-critical) Version: 5.6...
是指在使用pyodbc库调用数据库存储过程时,如果CREATE PROCEDURE语句执行失败,pyodbc不会抛出异常或显示错误信息,而是静默地失败。 pyodbc是一个用于连接和操作数据库的Python库,它提供了一个简单的接口来执行SQL查询和操作数据库对象。当使用pyodbc执行CREATE PROCEDURE语句时,如果语句存在错误或不符合数据库的语法规则...
And, from connection 2 immediately: mysql> INSERT INTO Table1 ( data ) SELECT c1 FROM t1; Query OK, 524288 rows affected (23.23 sec) Records: 524288 Duplicates: 0 Warnings: 0 at the same time I've got in connection 1: ERROR 1062 (23000): Duplicate entry '15763' for key 1 mysql> ...
mysql> create temporary table students_tmp(idint,name varchar(10)); Query OK,0rows affected (0.01sec) mysql>show tables;+---+ | Tables_in_monitor | +---+ | students2 | +---+1rowinset(0.00sec) mysql>select*fromstudents_tmp; #==>本地终端连接: Emptyset(0.00sec) mysql...
: t1 Create Table: CREATE TABLE `t1` ( `a` int DEFAULT NULL ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin 1 row in set (0.00 sec) mysql> INSERT INTO t1 (a) VALUES (1); Query OK, 1 row affected (0.03 sec) mysql> SELECT * FROM t1; +---+ | a | +---+ ...
When Inserting Data Into a Table, An Error Is Reported: "duplicate key value violates unique constraint "%s"" Error could not determine which collation to use for string hashing Reported During Service Execution When the ODBC Driver of GaussDB(DWS) Is Used, Content of Fields of the Characte...
Mysql 中很多数据类型与 openGauss 有差别,对于表中的数据类型,可以进行转换成为 openGauss 的数据类型。 CREATE TABLE 删除if CREATE [TEMPORARY] TABLE [IF NOT EXISTS] tbl_name select_statement 对于create table as 语句,openGauss 不支持使用 if not exists 判断,因此会删除 if 判断。