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17 cze 2009 · This tool allows to CREATE OR REPLACE table in Oracle. It looks like: create /*# or replace */ table MyTable( ... -- standard table definition ); It preserves data.
You cannot replace into a table and select from the same table in a subquery. MySQL uses the following algorithm for REPLACE (and LOAD DATA ... REPLACE ):
To define a column that includes a fractional seconds part, use the syntax type_name (fsp), where type_name is TIME, DATETIME, or TIMESTAMP, and fsp is the fractional seconds precision. For example: CREATE TABLE t1 (t TIME(3), dt DATETIME(6), ts TIMESTAMP(0)); The fsp value, if given, must be in the range 0 to 6.
In this tutorial, you will learn how to use the MySQL REPLACE statement to insert data into a table or update existing data of a table.
You cannot replace into a table and select from the same table in a subquery. MySQL uses the following algorithm for REPLACE (and LOAD DATA ... REPLACE): Try to insert the new row into the table. While the insertion fails because a duplicate-key error occurs for a primary key or unique index:
12 lip 2012 · Need to convert the following oracle queries to MySQL queries. 1) select to_char(to_date(?,'DD-MM-YY')) from dual; 2) select to_char(next_day(to_date(?,'DD-MM-YY'),'FRIDAY')) from dual; 3) select to_char(to_date(?,'DD-MM-YY'),'DAY') from dual;
24 wrz 2011 · Just use TO_DATE() function to convert string to DATE. For Example: create table Customer( CustId int primary key, CustName varchar(20), DOB date); insert into Customer values(1,'Vishnu', TO_DATE('1994/12/16 12:00:00', 'yyyy/mm/dd hh:mi:ss'));
