1.[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-incrementwww.2cto.com[Additional data type flags, depend on used datatype]-Bin:binary (if DT is a blob or similar, this indicates is binary data, rather than text) binary (larger binary than text) -un:unsigned (for int
When designing a MySQL database, you always pay attention to the length and precision when designing floating-point types. Types such as int are automatically displayed as int (11) after they are added.This 11 is actually only a display width, does not affect the actual storage footprint. However, MySQL's ' stupid ' design is often misleading, thinking that a floating-point type represents a storage-length!!!So that they often see the designINT (10),BIGINT (20)....Of course, can not say that the
Label:Pk:primary Key (column is part of a PK) primary keyNn:not Null (column is nullable) non-nullUq:unique (column is part of a unique key) uniqueAi:auto Increment (the column is auto incremented when rows are inserted) self-incrementBin:binary (if DT is a blob or similar, this indicates, which is binary data, rather than text) binary (larger binary than text)un:unsigned (for-integer types, see docs: "10.2.) Numeric Types ") integerZf:zero Fill (rather a display related flag, see docs: "10.2. T
Tags: mysql[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 uni Que 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 (if DT is a blob or similar, this indicates is binary data, rather than text) binary (larger binary than text)-UN: unsigned (for-integ
[Intrinsic column flags] (basic field type identifier)-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
The activation mechanism of myeclipse 9.0 is finally cracked. The cracking steps are more complex than those of the old version, but they can be cracked.ProgramWithout any modification, replace only the public key. If a hacker can quickly reverse
Webmatrix contains four different integrated design workspaces for your site. Each workspace can be accessed through the tab on the left of the screen. Note that different labels are selected, and the functional area at the top of the window will
The activation mechanism of myeclipse 9.0 has finally been cracked. The cracking steps are more complex than those of the old version, but they can be cracked. This cracking has no modification to the main program and only replaces the public key,
Thousand ox worktable and Wang Xin different place thousand ox and Wang Xin contrast introduction
Thousand cow worktable:
Thousand cattle only for sellers, only Taobao sellers account to login, sellers can not only send and receive messages, but
When the MPs of jetbrains came out, Martin Fowler also made a great effort to write the article "language workbenches: The killer-app for domain specific ages?". Become a general article interested in the lop and DSL fields.
First, it is important
Reporting work zone
The report area is mainly used to execute your site operation report. Currently, only Seo reports are available in the report area of webmatrix 1.0. This report shows how mainstream search engines observe your site.
Have you
The database creation is stuck with the following code, and the last three lines are marked in red. What is the problem? Beginifnew. item_type_id & lt; & gt; old. item_type_idornew.measure_type_id & lt; & gt; old. measure_type_idornew.per_quantity &
Original article:Http://developers.solidot.org/article.pl? SID = 09/02/22/0352226 & from = RSS
Comsharp CMS writes: "Many people are interested in the designers or operators of famous blogs or websites that they often visit and want to know what
In their own hard drive to see the previous collection of a concept design map, feel very interesting, so also did a tutorial for you to reference.
1. Use the duplicate with transform to copy the steps first.
2, scaling a new cube growth strip, to
[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
(1) Click on the small cylinder(2) Edit Schema name ( database name ) click apply-close Database when you are finished.(3) if you want to use this database to build a table (select Database --"right--" Set as Default Schema)(4) Click on the table
I found a lot of information on the Internet. Why is there no example of installing drools5.5.0 plug-in eclipse3.7 .. We can see that eclipse3.6 installs drools5.1 .. The latest version is 5.5.0 .. To keep up with the trend .. I flipped through. The result is successfully sent to brother. Haha! Eventually, we found that the drools plug-in version has nothing to do with the eclipse version. Others do not know, at least I installed is no problem! The te
Drools Official website: http://www.jboss.org/droolsDrools and JBPM consist out of several projects: (Drools package provides several parts of the functionality)Drools Guvnor (Business Rules manager) ( rule set manager)Drools Expert ( Rule engine )JBPM 5 (Process/workflow) ( workflow)
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.