create table command

From: http://www.2cto.com/database/201206/134514.html 0. Create a database tableMysql> create database if not exists my_db default charset utf8 COLLATE utf8_general_ci;# Pay attention to the following sentence "COLLATE utf8_general_ci", which

Command CREATE table–sql command Creates a table has the specified fields. CREATE TABLE | DBF TableName1 [NAME longtablename] [free] (FieldName1 FieldType [(Nfieldwidth [, Nprecision])] [NULL | Not NULL] [CHECK lExpression1 [ERROR cMessageText1]]

In SQL server performance optimization, there is an incomparable problem: that is, how to process temporary datasets in a code that requires a long time or frequently called code? Table variables and temporary tables are two options. I remember

Oracle Update Data Tip Custom "ORA-20010: Cannot drop/truncate the table" errorJava.sql.batchupdateexception:ora-00604:error occurred at recursive SQL Level 2ORA-20010: The table cannot be drop/truncate.Ora-06512:at Line

Table partitioning is only recently known Oh, I used to do is the table to achieve the billion level of data, I would like to give you a description of the MySQL table partition to create and use it, I hope to be helpful to you classmates. Table

A, create table-a new table CREATE [Temporary | TEMP] Table Table (Column type[NULL | Not NULL] [UNIQUE] [DEFAULT value][Column_constraint_clause | PRIMARY KEY} [...]][, ... ][, PRIMARY KEY (column [, ...])][, CHECK (condition)][,

Copying data between data tables is one of the tasks that Oracle DBAs often face. Oracle provides a variety of solutions for this task. The SQL * Plus Copy command is one of them. The SQL * Plus Copy command uses SQL * Net to copy or move data

Once you have finished designing the Access2007 table, you can begin creating the Access2007 table, which is to construct the fields in each table, define the data types for each field, and set the properties of the fields. Access2007 Creating a

Database Learning (4) -- create and update a data table 1 Database Learning (3) -- create and delete a database http://www.bkjia.com/database/201305/207489.html data table is a level object for operations in a relational database. In relational

Technical Background:When I first started to learn MySQL, sometimes lazy, I would use show create table name \g to copy table creation statements, but when running, always because "single quotes on table and column names", prompting for a syntax