Example

Write 'Hello JavaScript!' with JavaScript:

Script Select Sql

To take a quick look at some of them you can just right-click a database in SSMS select Tasks and Generate Scripts. See the following figure. From there you just have to select some objects to script out and then click the Advanced button when you find the scripting options the SMO has made available to you. As seen in the following figure. As a quick note to self, here is some source code for a simple example PHP script that runs a SQL SELECT query against a MySQL database.

Right-click the original table in Object Explorer, and select Script Table As Create To New Query Window. You should have a CREATE TABLE script for the original table, including all the constraints, etc. Note that you may have to set some of these settings (Tools Options SQL Server Object Explorer Scripting) to true in order to get all of the table attributes you want, so this may take some trial and error. I was wondering if there was a way that I could generate an insert script based on only certain rows returned from a select statement. I know how to script all data from a table into a sql file of inserts however if possible I would like to only script inserts for rows that meet certain search criteria.

Definition and Usage

The <script> tag is used to embed a client-side script (JavaScript).

The <script> element either contains scripting statements, or it points to an external script file through the src attribute.

Common uses for JavaScript are image manipulation, form validation, and dynamic changes of content.

Tips and Notes

Note: There are several ways an external script can be executed:

• If async='async': The script is executed asynchronously with the rest of the page (the script will be executed while the page continues the parsing)
• If async is not present and defer='defer': The script is executed when the page has finished parsing
• If neither async or defer is present: The script is fetched and executed immediately, before the browser continues parsing the page

Tip: Also look at the <noscript> element for users that have disabled scripts in their browser, or have a browser that doesn't support client-side scripting.

Tip: If you want to learn more about JavaScript, visit our JavaScript Tutorial.

Browser Support

Attributes

Differences Between HTML and XHTML

In XHTML, the content inside scripts is declared as #PCDATA (instead of CDATA), which means that entities will be parsed.

This means that in XHTML, all special characters should be encoded, or all content should be wrapped inside a CDATA section:

Global Attributes

The <script> tag also supports the Global Attributes in HTML.

Related Pages

HTML tutorial: HTML Scripts

HTML DOM reference: Script Object

JavaScript Tutorial: Learn JavaScript

Default CSS Settings

Most browsers will display the <script> element with the following default values:

Summary: in this tutorial, you will learn how to use the Oracle CREATE SEQUENCE statement to create a new sequence in Oracle.

Introduction to Oracle CREATE SEQUENCE statement

The CREATE SEQUENCE statement allows you to create a new sequence in the database.

Here is the basic syntax of the CREATE SEQUENCE statement:

CREATE SEQUENCE

Specify the name of the sequence after the CREATE SEQUENCE keywords. If you want to create a sequence in a specific schema, you can specify the schema name in along with the sequence name.

INCREMENT BY

Specify the interval between sequence numbers after the INCREMENT BY keyword.

Script Select

The interval can have less than 28 digits. It also must be less than MAXVALUE - MINVALUE.

If the interval is positive, the sequence is ascending e.g., 1,2,3,…

If the interval is negative, the sequence is descending e.g., -1, -2, -3 …

The default value of interval is 1.

START WITH

Specify the first number in the sequence.

The default value of the first number is the minimum value of the sequence for an ascending sequence and maximum value of the sequence for a descending sequence.

MAXVALUE

Specify the maximum value of the sequence.

The max_value must be equal to or greater than first_number specify after the START WITH keywords.

NOMAXVALUE

Use NOMAXVALUE to denote a maximum value of 10^27 for an ascending sequence or -1 for a descending sequence. Oracle uses this option as the default.

Script Select2

MINVALUE

Specify the minimum value of the sequence.

The min_value must be less than or equal to the first_number and must be less than max_value.

NOMINVALUE

Use NOMINVALUE to indicate a minimum value of 1 for an ascending sequence or -10^26 for a descending sequence. This is the default.

CYCLE

Use CYCLE to allow the sequence to generate value after it reaches the limit, min value for a descending sequence and max value for an ascending sequence.

When an ascending sequence reaches its maximum value, it generates the minimum value.

On the other hand, when a descending sequence reaches its minimum value, it generates the maximum value.

NOCYCLE

Use NOCYCLE if you want the sequence to stop generating the next value when it reaches its limit. This is the default.

CACHE

Specify the number of sequence values that Oracle will preallocate and keep in the memory for faster access.

The minimum of the cache size is 2. The maximum value of the cache size is based on this formula:

In case of a system failure event, you will lose all cached sequence values that have not been used in committed SQL statements.

ORDER

Use ORDER to ensure that Oracle will generate the sequence numbers in order of request.

This option is useful if you are using Oracle Real Application Clusters. When you are using exclusive mode, then Oracle will always generate sequence numbers in order.

NOORDER

Use NOORDER if you do not want to ensure Oracle to generate sequence numbers in order of request. This option is the default.

Oracle CREATE SEQUENCE statement examples

Let’s take some example of using sequences.

1) Basic Oracle Sequence example

The following statement creates an ascending sequence called id_seq, starting from 10, incrementing by 10, minimum value 10, maximum value 100. The sequence returns 10 once it reaches 100 because of the CYCLE option.

To get the next value of the sequence, you use the NEXTVAL pseudo-column:

Here is the output:

To get the current value of the sequence, you use the CURRVAL pseudo-column:

The current value is 10:

This SELECT statement uses the id_seq.NEXTVAL value repeatedly:

Here is the output:

Because we set the CYCLE option for the id_seq sequence, the next value of the id_seq will be 10:

And here is the output:

2) Using a sequence in a table column example

Prior Oracle 12c, you can associate a sequence indirectly with a table column only at the insert time.

See the following example.

Script Select Option Html

First, create a new table called tasks:

Second, create a sequence for the id column of the tasks table:

Third, insert data into the tasks table:

Finally, query data from the tasks table:

In this example, the tasks table has no direct association with the task_id_seq sequence.

3) Using the sequence via the identity column example

From Oracle 12c, you can associate a sequence with a table column via the identity column.

First, drop the tasks table:

Second, recreate the tasks table using the identity column for the id column:

Behind the scenes, Oracle creates a sequence that associates with the id column of the tasks table.

Because Oracle generated the sequence automatically for the id column, in your Oracle instance, the name of the sequence may be different.

Oracle uses the sys.idnseq$ to store the link between the table and the sequence.

This query returns the association of the tasks table and ISEQ$$_74366 sequence:

Third, insert some rows into the tasks table:

Finally, query data from the tasks table:

In this tutorial, you have learned how to use the Oracle CREATE SEQUENCE statement to create a new sequence in the database.