create table in sql workbench

Tags: workbench flags LOB Tag SQL IMA addition Ted Enc[Intrinsic column Flags] (basic field type identification)-pk:primary Key (column is part of a PK) primary key-Nn:not Null (column is nullable) non-null-Uq:unique (column is part of a unique key) unique-Ai:auto Increment (the column is auto incremented if rows are inserted) self-increment[Additional data type flags, depend on used datatype]-Bin:binary (i

CodeAlter Table Add constraint Foreign Key References on Delete Restrict on Update Restrict;(constraint can be appended with the constraint name)The reason for the error is that the IDs of the previous two tables are of different types, one when int, and one when bigintWorkaround when modifying the table,Alter Table bigint;You can change it after that.Here is

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 [ERRO

This article provides three SQL statement instance codes for table creation, one-to-one test, and explains how to use SQL to create data tables and databases. This article provides three SQL statement instance codes for table crea

SQL Server cannot create table as select directlyTo copy a table under SQL Server, think of Oracle under direct CREATE TABLE XXX as SELECT * from .... Can.But the result is wrong, Baidu

Label:1. Understand the database and create new: 1) Open the database and connect to the server. 2) service type without tube. 3) server name: Make a point "." Indicates that the server is on the local computer and, if it is hosted on someone else's server, enter the server IP address. 4) Authentication: If you are Windows authentication, you need administrator privileges. Generally hosted on someone else's server, (including normally), is

withno_logDBCCshrinkdatabase (database name)execsp_dboption \'database name \', \'autoshrink\', \'true\' \\\'Add field General function Sub AddColumn (tablename,columnname,columntype) Conn.execute (\ "Alter Table \" tablename\ "add \" columnname\ "\" columntype\ "\") End Sub \\\'Change the field general function Sub Modcolumn (tablename,columnname,columntype) Conn.Execute(\"Alter Table\"TableName\"Alter C

the merge type table are performed on the internal MyISAM table. Memory type of storage engine is mainly used in those with less frequent changes in the Code table, or as a statistical operation of the intermediate results table, easy to efficiently analyze the heap intermediate results and get the final statistical r

[Table name] Drop constraint name Create Default ValueAlter table [Table name] add constraint default name: '51windows. net' for [field name] Delete default valueAlter table [Table name] Drop constraint default name In addi

table [TABLE name] drop constraint name Create Default ValueAlter table [TABLE name] add constraint default name: DEFAULT \ '51windows. NET \ 'FOR [field name] Delete default valueAlter table [

Label:1. Understand the database and create new: 1) Open the database and connect to the server. 2) service type without tube. 3) server name: Make a point "." Indicates that the server is on the local computer and, if it is hosted on someone else's server, enter the server IP address. 4) Authentication: If you are Windows authentication, you need administrator privileges. Generally hosted on someone else's server, (including normally), is

started and that the round closing parenthesis is used after the last column of the table is defined. You also have to make sure that each column definition is separated by commas. Finally, at the end of the SQL statement, add the semicolon ";". Table and column names must start with a letter, and the second character can begin with letters, numbers, or undersco

The basic syntax for the CREATE TABLE statement in MySQL is: The code is as follows Copy Code CREATE [temporary] TABLE [IF not EXISTS] tbl_name [(create_definition,...)][Table_options] [Select_statement] Temporary: This keyword indicates that the newly created

Tags: des blog http io file data for art"1" SQL Server setting primary key self-growing column SQL Server setting primary key self-growing column 1. Create a new data table with field ID, set ID as primary key www.2cto.com CREATE TABLE