create table in sql workbench

The life cycle of the global temporary table persists until the creation session (not the creation level) terminates. For example, if you create a global temporary table in a stored procedure, the table is not destroyed when the scope of the stored procedure is exceeded. When the creation session terminates,

The SQL CREATE TABLE statement is important in PHP and will be explained in this article. CREATE TABLE Statement The CREATE TABLE statement is used for creating tables in the database.

' primary key ID ',Attr_name varchar (+) NOT null comment ' property name ',type_id smallint unsigned not null comment ' corresponding type ID ',Attr_is_sel tinyint NOT null default 0 comment ' 0: Unique 1: Multi-select ',Attr_write_mod tinyint NOT null default 0 comment ' 0: Manual 1: drop-down list selection ',attr_sel_opt varchar (+) NOT null default ' comment ' Multiple selected item information, multiple values are used with each other, comma separated ',Primary KEY (ATTR_ID),Key (TYPE_ID)

TABNAME add primary key (COL)--delete primary key ALTER TABLE tabname drop p Rimary Key (COL)--Creating an index create [unique] index idxname on tabname (COL)--delete index drop indexes idxname/* create BBSDB database */use Masterif Exists (SELECT * from sysdatabases where name= ' bbsdb ') BeginPrint ' database has been created and cannot be recreated ' endelse

Tags: ast alt int ONS ARC tran Composition Code contains[24] SQL CREATE TABLE StatementThe CREATE TABLE statement is used for creating tables in the database. Tables consist of rows and columns, and each table must have a

The following experiment shows a TXT text file. Based on this text file, use SQL * loader to create an external table. 1. Create a control file [Oracle @ vmoel5u4 ~] $ VI car. ControlLoad dataInfile 'car.txt'Badfile 'car. bad'Discardfile 'car. Discard'AppendInto Table car_in

SQL Server creates a temporary table: Create temporary table Method 1: Create Table # temporary table name (Field 1 constraints, Field 2 constraints, .....)

based on the database that was created in the previous article, we continue to create data tables. T-the syntax for SQL database creation is as follows:CREATE TABLETable name (field name 1 data type constraint, field name 1 data type constraint,...) The first is to create the Learner information table Stuinfo, here ar

After the last write, how do I export the data structure and data ([Tips] exporting table structures and data from DB2). Now I have finally finished writing how to import the table structure. The first step is to create a database. You can use control center or command line. However, for this new database, I prefer command editor.After opening, you can directly w

SQL: Oracle 11g create table, function, trigger, sequence, 11 gtrigger -- Place directory drop table BookPlaceList; create table BookPlaceList (BookPlaceID int primary key, -- NUMBERBookPlaceName nvarchar2 (500) not null, BookPlac

Tables are the basic framework for storing data in a database. In most cases, it is not possible for a database vendor to know how you need to store your data, so you will usually need to create a table in your database. Although many database tools allow you to create tables without the need for SQL, we decided to inc

Tags: Document learning ges DDR Select RES data varchar TPS1. Select the database you want to use (select the test database created in the previous article) The existing database Mysql>use test; Select the test database; 2. Create a table 2.1column represents the name of each column, datatype represents the data type of each column (available data type: https://www.w3schools.com/

The following SQL statements include: Create a table and specify the tablespace Add Table remarks add field remarks Add Constraints Add Index Assign and revoke permissions -- Create TableCreate Table user name.

Creation of tables1. Create column (field): Column name + type2. Set the primary key column: the ability to uniquely represent a single piece of data3. Set Unique key: Design--index/Key--add--Unique key (select column)--OKThe contents of a unique key cannot be duplicated4. Foreign key Relationship: a table (from a table) where one of the columns refers to the pri

column directly.Splitedstring=(String) row;} } } In this way, compile the library and use the following SQL statement to create the DLL into the database:Create Assembly arrayassemblyFrom 'd: \ stringsplit. dll'With permission_set = safe;Change the address of the DLL.Then, if it is the first time for CLR integration application, you need to enable the CLR function by using the following statement:Exec

Today, while reading Oracle Advanced SQL Programming, there is a section in the chapter on global indexing of Oracle. If you create a unique index on a partitioned table, and the index itself is partitioned, you must also add the partition column to the index list, and certainly not the first column. Then I went to SQL

DB2 does not exist in the explain table of the SQL Execution Plan by default. Therefore, you need to create an explain table as needed during use. How can you create it? In fact, DB2 still provides a variety of methods for you to use. The first method is to use the script EX

To create an index on a table in SQL Server #!/usr/bin/perl Use DBI; Use Switch; Use Encode; Use ENCODE::CN; # my $source _name = "Zoe"; # my $source _user_name = "sa"; # my $source _user_psd = "123"; # my $db _name= "MySQLdb"; # my $location = "192.168.0.46"; # my $port = "3306"; # my $db _user= "Zoe"; # my $db _pass= "123"; My $source _name = "Zoe

(See MySQL temp table before temporary table) first, the temporary table is visible only on the current connection, and when the connection is closed, MySQL automatically deletes the table and frees all the space. Therefore, a temporary table with the same name can be create

Create table T_ERRORLOGTABLE_TB (eltid int identity (primary) key,--number Elttime Date,--error occurred eltaddress nvarchar (50),- -Error occurrence address eltmessage nvarchar (200)--error message)--The table comment @value as the comment @leve12name the comment table name exec sys.sp_addextendedproperty @name =n ' m