SQL

On the surface, OQL seems remarkably similar to SQL, and thus supposedly just as powerful and easy to use.

You are now ready to switch the SQL execution mode for your selected SQL statements from dynamic SQL to static SQL execution.

At this point, a real application would modify the count column appropriately by issuing the necessary SQL UPDATE statements.

As you work with a database in Sybase Central, the application automatically generates SQL statements depending on your actions.

If you were to include all the messages in an NSF in a single DAV table, it would not be effective for SQL access.

Setting a breakpoint in a T-SQL or SQL CLR object automatically enables the server for multi-tier application debugging, if it is possible.

A recordset constructs a SQL statement by building up the pieces of a SQL statement into a CString.

Identifiers that do not comply with all the rules for identifiers must be delimited in a Transact-SQL statement.

Returns the same rows as if no WHERE clause was specified in an old - style , non-SQL-92-style join .

For those familiar with JDBC concepts and the java. sql. ResultSet interface, the SDO dynamic API mode will be easy to understand.

If you are not comfortable reviewing DRDA information, the key thing to look for is the SQL statement that you are trying to execute.

Information about SQL statements is shown in graphs as well as report format to help you more quickly retrieve statistical information .

With the EXECUTE statement, all parameter values must be converted to character or Unicode and made a part of the Transact-SQL string.

Each of these objects contains either a SQL statement or the name of a stored procedure used to read and write data.

The announcement said the group pulled off the hack using a simple SQL injection vulnerability -- a common website weakness.

At any time while using the Query Editor, you can click SQL at the bottom of the dialog to see the SQL code for the query you are building.

The syntax for OQL is similar to that of SQL but it lets you query the object model rather than directly querying the database.

All SQL statements are compiled into easy-to-read assembly executed in the SQLite virtual machine.

FORCE: Irrespective of whether the tables are present in the front end, the SQL statements are always executed in the back-end database.

SQL Examiner Suite 2008 is a quick and easy-to-use software solution that enables you to compare and synchronize both schema and data.

Counter in System Monitor to determine how much memory is allocated by the instance of SQL Server running in AWE mode.

SQL Anywhere or UltraLite fractional seconds cannot be preserved when using an Oracle DATE data type which has no fractional seconds.

Property allows you to specify an amount of time that the SQL Mobile client will attempt to recover from a failed synchronization.

After you add a LINQ to SQL file to your project, the empty design surface represents a DataContext ready to be configured.

Experiment with using SQL and XML data binding in the same application to understand how the same sort of mapping paradigm is used for both.

It is often the case that the process of building an application originates from having a set of database query statements (i. e. SQL).

The linkage between the application and database tiers typically takes the form of SQL calls into a relational database.

Using objects known as rollback segments, Oracle constructs read-consistent views of data as of the point in time a SQL statement is issued.

I was hoping that this book would be a good introduction to NoSQL in general as well as how to use MongoDB specifically.

Equally important, even the best-tuned SQL can cause a performance drag if it is called too often.

A simple batch consists of a set of SQL statements, separated by semicolons or separated by a separate line with just the word go on it.

By learning and understanding SQL, you'll be able to make better decisions and move poorly performing code out of the database.

You can now use the SQL outline again to see that the cost estimate is reduced just by doing this simple task.

If you would like SQL Express to be installed with a specific account, it is recommended that you do not use the default settings.

Adaptive Server Anywhere uses this capability information to determine how much of a SQL statement can be forwarded to a remote server.

What's more, SQL injection is one of many common avenues of assault that allows attackers to take complete control of a relational database.

Slow SQL is usually caused by an inefficient WHERE clause, which corresponds to inefficient query filter definition in ClearQuest.

End users of the database might be business users who would not touch SQL with a ten foot pole.

Having up-to-date statistics is always necessary to ensure optimal SQL performance.

pureQuery is able to execute a SQL statement on this existing result set, filtering only the products that have the status of bestseller.

SQL Injection attack is a form of attack that comes from user input that has not been checked to see that it is valid.

To stop the HSQLDB server, all that's needed is a SHUTDOWN command as an SQL statement.

So let's take a look at some of the techniques used to "scale" SQL databases, and why they all fail to achieve the criteria above.

SQL Click SQL at the bottom of the dialog to see the SQL code for your query.

You can assign a custom data generator that has no filter attributes to any SQL data type.

Its syntax is similar to that of SQL, and SPARQL queries consist of a series of triple patterns and modifiers.

When bound to a DataGrid control, the result set returned by the SQL command looks like the figure below.

For a customized system, this is usually done using SQL strings with PHP variables injected and passed to it through function parameters.

A stored procedure can be seen as one or more SQL commands that already reside at the database server, prepared and ready to be executed.

Its limitations are easy to understand, and you can work around them by writing the SQL you need.

The second part is the logging stored procedures that are used from within the body of SQL-PL or any other external stored procedures.

The SQL editor control also provides right-click menu options to load the script from a file or to save the script to a file.

The word following Create must be an object type recognized by the SQL syntax of your database.

This makes it easy to see the impact of long running SQL statements while they are still in progress.

An upgrade to a SQL Remote installation needs to be carried out with the same care as an initial deployment.

On UNIX, environment variables must be set for the system to be able to locate SQL Anywhere applications and libraries.

To put it a different way: understanding SQL makes it easy to locate the problem in one of many different layers of your application.

For example, criteria is often equivalent to the WHERE clause in an SQL expression, without the word WHERE.

To see the count of the number of records for an SQL statement, click Next until the number of rows retrieved is displayed.

This tactic is called "SQL injection" and is a very common form of attack.

I would also like a bid to create two contact forms that would be stored into an SQL data base as well as being sent to us by email.

If it is not able to find the tables, it passes the SQL query to the back-end database and returns the results accordingly.

For each of the measures that are to be in the query, add the SQL expression generated for the measure as a column in the SELECT list.

The iBATIS SQL Maps framework provides a simple means of moving data between Java objects and a relational database.

If one of the SQL queries requires a user-specified input, the user is prompted with a question asking about the value to be entered.

Due to the non-SQL nature of the command, it is not directly available in a unit of work (transaction) of the database system.

The less-than-ideal scenario of using a DPSI to access multiple partitions can be very painful from a SQL performance perspective.

Most of the time you can take advantage of any order that makes the SQL more readable and easier to maintain without affecting performance.

Not checking for SQL-specific characters can open your application up to a wide range of vulnerabilities.

Finally, in the improved example, you can see that the SQL statement and output do not include a dynamic column selection.

Remember that this matches each CD with each artist, producing the equivalent with a SQL join.

In this case, all unqualified SQL statements (statements that did not qualify database objects with a schema) would use the schema U1.

The actual syntax of the SQL statement depends on the schema of your data and on which database you are using .

For multiple SQL statements in a command string , the escape sequence needs to be at the end of each relevant SQL statement .

The previous sections describe how you can use the pureQuery outline view to see all the SQL in an application.

Because DB2 is going to rearrange your predicates before applying them, and that new order may be exactly right for your SQL.

When the syntax of an SQL statement is fully known at compile time, the statement is referred to as static SQL.

And while it's often easy to rewrite calls to the shell so that the shell isn't even involved, it's not practical to avoid SQL requests.

Of course the SQL would have worked with a SORT as well, but that would be a bad plan.

The pureQuery outline view provides an easy-to-read summary of all the SQL in the Java class.

A simple modification of the XSL file allows for the appropriate set of SQL statements to be selected at runtime.

However, to design an efficient database application with a minimal amount of frustration, you need to understand the basic concepts of SQL.

Query drill down allows you to gather statistical information about each SQL statement executed on the system and analyze statement history.

If you're using a framework to work with your database, there is a chance that your framework does the SQL validation for you already.

You should check each index name to see if it conflicts with the same name on any index before running the generated SQL.

This method of SQL debugging is known as Direct Database Debugging, and can be done in Visual Studio outside of any project if need be.

The bcp utility can be used to import large numbers of new rows into SQL Server tables or to export data out of tables into data files.

Notice that you once again use a SQL string for this, just as you would in JDBC.

No SQL is used, but rest assured that data is being stored and can be retrieved, albeit just a bit differently.

A SQL Server failover cluster instance always appears on the network as if it were a single computer.

No SQL is used, but rest assured that data is being stored and can be retrieved, albeit just a bit differently.

A SQL Server failover cluster instance always appears on the network as if it were a single computer.

All the raw SQL statements need to be analyzed to see whether they work on both databases, or if changes are needed.

If you attempt to run an unsaved SQL routine, a message prompts you to save it first.

Look at the simplest SQL data binding task: mapping an object that doesn't refer to any other objects to a single table.

You are now ready to set up the SQL Remote Open Server.

Often this takes the form of references to SQL statements or stored procedures that are invoked to read or write to a database .

To see only the SQL statements using private columns, use the filter as shown in Figure 11.

To execute the SQL Command constructed so far, you don't have to use any of the other special dbExpress components.

SET options that are set by a user within a dynamic SQL batch apply only for the duration of that batch .

SET options that are set by a user within a dynamic SQL batch apply only for the duration of that batch .

Just like any other built-in function, table functions can be used in a SQL SELECT statement.

Because even deadlock errors can be trapped in the CATCH block , the batch is no longer aborted and T-SQL code can continue to work .

The Java editor cannot detect errors in SQL syntax, nor can it tell you that SQL statements refer to database objects that do not exist.

The DeleteCommand can be an SQL string or the name of a stored procedure, if the underlying database supports stored procedures.

Because both of these views are defined with a single SQL select statement on the underlying table, the query performance will not suffer.

Plain XQuery does not allow you to call SQL user defined functions (UDFs) or external UDFs written in C or Java.

Clicking on the SQL Toolbox takes you to a screen consisting of a text box where you enter queries.

Commonly abbreviated to "FLWOR" these expressions may be used for performing joins across multiple XML streams in a similar manner to SQL.

Specifying the nickname, the remote table can be queried in SQL statements on the target database like any other local table.

Specifying the nickname, the remote table can be queried in SQL statements on the target database like any other local table.

The ClearQuest software can be on the same system as the Oracle client and SQL*Plus interface, but it does not have to be.

Also known as common table expression, this table is temporary table within the duration of a SQL statement.

Do not wish to stop error-free SQL development till the database server becomes available again?

For a list of columns that this view inherits, see sys. Objects (Transact-SQL).

Select-statement The SQL statement to which the rewrite optimizations are applied to generate the function's results.

Stored procedures are groupings of SQL statements that have been compiled together into a single execution plan.

However, the trigger does not fire when any Transact-SQL statements on which it was programmed are executed.

The result is likely to be a language with a more complex semantic definition than that of a relational language such as SQL.

If this is not possible, an error SQL0142N is returned to indicate that this SQL statement cannot be supported.

If this is not possible, an error SQL0142N is returned to indicate that this SQL statement cannot be supported.

Typically, a module also accesses an underlying database. Some experience with a relational database and SQL is helpful, as well.

That implies that the function is called multiple times during the execution of the SQL statement.

The package cache sets the amount of database global memory to be used for caching a package's static and dynamic SQL statements.

Property has been set to the name of a stored procedure , the adapter does not construct an SQL statement .

Because SQL packages are a shared resource, the information built when a statement is prepared is available to all the users of the package.

If you are performing a join of two or more tables, rewrite GetDefaultSQL to customize the table list used in the SQL FROM clause.

This script creates optimized SQL to be used for the queries, without needing extra views or tables created in the database.

Pointer to a. Sql file that the Merge Agent runs before any of the replication object scripts when applying the snapshot at the Subscriber.

Of course, generating XML from an SQL query is usually just half the job; the other half involves doing something with it.

Of course, generating XML from an SQL query is usually just half the job; the other half involves doing something with it.

Data is only replicated by SQL Apply when a subscription set periodically "wakes up" and performs a single cycle of replication processing.

Much of the time, data management work is all about schemas and SQL, or TCO and ROI.

When imported into a column with a data type other than sql_variant, the data is converted from char by using implicit conversion.

The wizard displays the SQL statement that you are creating in a box at the bottom of the page.

GO signals both the end of a batch and the execution of any cached Transact-SQL statements.

Grouping SQL statements into a stored procedure can reduce the number of network interactions to complete a transaction.

Data processing is usually accomplished with the standard SQL statement in many projects.

A data adapter contains SQL commands that your application can use to read data into a dataset from a database and write it back again.

The queue messages that do not contain SQL commands or are part of a spanning SQL command are not displayed.

The queue messages that do not contain SQL commands or are part of a spanning SQL command are not displayed.

Imagine running a SQL SELECT statement and merging the results directly into an HTML table marked up to your specifications.

To see a list of currently created event notifications, use sys. Event_notifications (Transact-SQL).

Choose this button to specify that you want to accept the SQL statement, either to edit it further or to execute it.

The most interesting scenario is to use SQL Compact Edition database file as a local cache of data that do not change often.

The SQL statements and commands submitted in a pass-through session do not go through the federated query compiler.

If this option is not available, enable SQL Mail using the Surface Area Configuration tool, and set up a mail profile.

The SQL required to perform such a complex set of transformations would prove unwieldy and difficult to maintain.

Describes installing SQL Native Client Net-Libraries on the server and client computers and enabling a matching pair of network protocols.

Scheduler functions collect information and monitor and adjust the server, using an SQL-based administrative system and a set of tasks.

Scheduler functions collect information and monitor and adjust the server, using an SQL-based administrative system and a set of tasks.

You can use the bottom pane for designing what you want your SQL statement to contain.

Secure your development SQL Server as if it was a production server.

The following example returns the SQL text of all cached entries that have been used more than once.

Even choosing only a subset of the columns from the view would be a simple SQL query.

Should be easy to edit and add topics to the forum from backend by using SQL queries.

The data mining model object is structured like an SQL table, with columns, data types, and meta information that describe the model.

The SQL compiler uses them to transform a statement into a more optimized form, thus improving the access path to the required data.

If all the data that a SQL query asks for is contained in the index, DB2 might be able to satisfy the request using only the index.

All data of this system are managed by SQL Server2000 . And a lot of storage procedures are used for faster system's executive efficiency.

All data of this system are managed by SQL Server2000 . And a lot of storage procedures are used for faster system's executive efficiency.

The first step in this package is an Execute SQL task, which checks to see if the destination table already exists.

Escape sequences are used within an SQL statement to tell the driver that the escaped part of the SQL string should be handled differently .

As you build your query, the SQL pane automatically updates and reformats to be easily read.

As I mentioned , SQL specifies what data to retrieve or manipulate , but does not specify how the database accomplishes these tasks .

If you don't know immediately what your SQL Query formula is going to be, enter double-quotes into the formula box.

Sometimes , the data modification statements are collectively known as the data modification language (DML) part of SQL .

For a list of conditions that must be met before a function can be schema bound, see CREATE FUNCTION (Transact-SQL).

The information provided by SQuirreL SQL client can be particularly useful for the Java programmer who wishes to interact with a database.

Even richer SQL Adaptive Server Anywhere's SQL language has been extended to enable you to do more with your data.

Even richer SQL Adaptive Server Anywhere's SQL language has been extended to enable you to do more with your data.

SQL syntax for other database systems might vary but the statements are easy to adapt.

Furthermore, the departing end user might be an owner for a particular SQL object.

An error is raised if you set the SQL Native Client OLE DB provider to run out of process and try to run a distributed query.

Table functions enable you to efficiently use relational operations and the power of SQL on data that is not in an actual table.

Query Builder includes graphical panes that compose your query visually and a text pane that displays the SQL text of your query.

In a minute, you will see me reference that nickname in a SQL statement that I provide to a Blox tag to create the report in Figure 4.

You can populate every elements array with a separate SQL query, thus allowing for SQL result sets to be nested to an unlimited depth.

It's quite easy to execute an SQL query and then create spreadsheet cells from each field of the query result set.

By placing SQL commands in a script file, you gain the additional benefit of being able to execute the commands as many times as necessary.

By placing SQL commands in a script file, you gain the additional benefit of being able to execute the commands as many times as necessary.

This tutorial introduces you to embedded SQL programming and walks you through the basic steps of constructing an embedded SQL application .

Also, they typically required non-standard SQL extensions to understand how to parse the data into a XML column.

Like the SQL injection attack, you can often easily deal with the threat if you follow best practices to develop secure applications.

When doing the performance testing, it becomes much more interesting to see users, SQL, buffer pool hit rates, etc.

A SQL Remote setup can be seen as a single dispersed database, spread out over many sites, maintaining a loose form of consistency.

A package associated with a persistent stored module (PSM) (SQL) stored procedure cannot be transferred.

The usage of SQL Table Functions allows you to push procedural logic into the FROM clause of a query.

I hate to say it, but learning SQL may mean that you get to keep your job when Ted in the next cube gets canned during layoff season.

Our tool makes all this unnecessary by automatically creating database data, objects and sets of SQL statements, if necessary.

The first line is an SQL clause specifying that you only want to retrieve information in the "name" column of the "clients" table.

Service Packs: Since MSDE is often embedded in applications, users might not know that they have an instance of SQL Server installed.

SQL gives users access to data in relational DBMSs by describing the data they may wish to see.

SQL injection is still one of the most common types of an injection flaw.

After the macro is interpreted, the connection is active and ready to execute SQL statements (see Listing 2).

To allow that, you might specify an SQL statement like the following as the CommandText property of a SelectCommand.

SQLServerPreparedStatement - (inherited from SQLServerStatement), used for running compiled SQL statements that might contain IN parameters.

SQL is also commonly known as a DML, but it cannot be directly used from an application program.

SQL Mail can be enabled by using the Surface Area Configuration tool or by launching the Properties dialog from the SQL Mail node.

A few weeks ago, the Wintellect Web site was under attack through a sophisticated form of SQL injection.

UML can help bridge the gap between the database schema, which might be expressed in SQL or something similar, and the user's model.

SQL Azure will be rolling out new features over the next few months including MARS support, spatial data, and a 50 GB option.

As mentioned previously in the section "Creating a Database, " the manipulative component of SQL is called Data Manipulation Language (DML).

The SQL Maps framework will help you to significantly reduce the amount of Java code that you normally need to access a relational database.

Using SQL group by and aggregation functions on that table is usually more efficient than producing the same result in plain XQuery.

The specification for browser-based SQL data is still in flux, with its specifics still being ironed out.

These products provide a set of advisors and tools to help make it easier to tune SQL.

Both MobiLink and SQL Remote provide data replication between a consolidated database and a set of remote databases.

The SQL DELETE statement enables you to identify (or restrict) the rows you want to delete through a WHERE clause.

That is, all the statements in an SQL script must use the same statement terminator.

This doubles the number of Transact-SQL statements that must be coded to implement a given piece of logic.

The IN operator is one of four SQL operators that you can use with a table subquery.

But a statement object submits different SQL statements to batch, while prepared statement submits a set of parameters to batch.

Shows the threshold exception log, drilling down to see periodic exception details for SQL activity.

They fail to realize that understanding the SQL is fundamental to turning the database from a difficult necessity into a powerful ally.

First, CGTT behaves more like a regular table for SQL programmers, but with the potential of a performance advantage.

Now you need to tell Castor which Java properties map to which SQL columns.

Whether the XQueries were embedded in SQL or executed stand-alone did not make a performance difference in our tests.

The SQL Anywhere Studio online documentation features a number of tools to help you navigate through the information.

The understanding is even clearer if you say "SQL database, " because an ISO standard lays out exactly what such a database must provide.

You might have noticed that the SQL query was forced to only include the columns needed.

The OLE DB destination loads data into a variety of OLE DB- compliant databases using a database table or view or an SQL command .

The implementation of the stored procedure described in this section addresses those needs because CALL is a SQL statement of its own.

The capability to get additional statistical information about the elapsed execution time of each edition, including for non-SQL type steps.

The command includes the actual text of an SQL statement or the name of a stored procedure to execute.

Reasonable skills with SQL and know at least one of wildly used data base.

If you can remember the set-at-a-time orientation of a relational database, you will begin to grasp SQL's essence and nature.

XQuery is good for XML-only applications that do not need (or do not wish) to use SQL or relational structures.

The FOR statement is a control statement that allows you to execute a list of SQL statements once for each row in a cursor.

Applications can be configured to run the database SQL statically without any change in programming or user experience.

XQuery looks like SQL and solves many of the SQL problems that cause me to run back to my bookshelf for answers.

Structured Query Language (SQL): A standardized language used to define objects and manipulate data in a relational database.

You can use it from the shell prompt, specifying the name of a table, or an SQL statement, or just the name of a database.

In a WHERE or HAVING clause , predicates that specify the conditions that the source rows must meet to be included in the SQL statement .

Use the generic query designer when you want to control the exact Transact-SQL used for a query.

This function, as mentioned in SQL standards, is used to find the length of a character string in character semantics.

You can use an Execute SQL task at the beginning of each package to create this new row and to record the start time.

The reference dataset can be an existing table or view, a new table, or the result of an SQL statement.

As you'll learn, it's actually quite amazing what you can do once you're freed from the constraints of SQL.

As a result, up to five T-SQL scripts can be run during execution of a single database unit test.

This script should contain a set of Transact-SQL statements that execute against the database or databases that you want to tune.

Selecting a SQL statement from the list brings up additional information for the statement as shown in the detail area for SQL statements.

Before beginning this tutorial, you should be familiar with the concept of a SQL access plan.

All SQL comparisons, SQL query execution, and SQL casting takes place in the database code page.

This can be desirable if you think SQL 2005 is promoting transactions too often, but the preferred method is TransactionScope.

Directly using SQL makes caching problematic, since the caching layer must deal with full result sets rather than single database rows.

They must have valid data types (see SQL Data Types), and can be prefixed with one of the keywords IN, OUT or INOUT.

A cursor is a database structure that allows you to iterate through the results of an SQL query.

Must be the owner of the table on which the index is created, have DBA authority, or have REMOTE DBA authority (SQL Remote).

SQL queries and commands can be parameterized, in that they contain placeholders for values that are bound to the query at run time.