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CREATE TABLE (Transact-SQL)
Probably, you know well enough about it or have some ideas, if you are on our website. Better yet, use the Ask Question button on the upper-right. Any certificates that are signed with the certificate at this point are trusted by the computer. So, this tutorial will help you get acquainted with how to access YOPMail and get around the site — no account needed. If filegroup is specified, the index is stored in the named filegroup.

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The Database Engine determines when row locks are used. When OFF, row locks are not used. The default is ON. The Database Engine determines when page locks are used. When OFF, page locks are not used. Specifies the windows-compatible FileTable directory name. This name should be unique among all the FileTable directory names in the database. Uniqueness comparison is case-insensitive, regardless of collation settings. If this value is not specified, the name of the filetable is used.

Specifies the name of the collation to be applied to the Name column in the FileTable. The collation must be case-insensitive to comply with Windows file naming semantics. If this value is not specified, the database default collation is used. This collation must be case-insensitive.

Specifies the name to be used for the primary key constraint that is automatically created on the FileTable. If this value is not specified, the system generates a name for the constraint. Enables system versioning of the table if the datatype, nullability constraint, and primary key constraint requirements are met.

By default, the history table is PAGE compressed. If current table is partitioned, the history table is created on default file group because partitioning configuration is not replicated automatically from the current table to the history table. If the name of a history table is specified during history table creation, you must specify the schema and table name. When creating a link to an existing history table, you can choose to perform a data consistency check.

This data consistency check ensures that existing records do not overlap. Performing the data consistency check is the default. Creates the new table with Stretch Database enabled or disabled. For more info, see Stretch Database. For more info about enabling Stretch for a table, see Enable Stretch Database for a table.

Before you enable Stretch for a table, you have to enable Stretch on the server and on the database. For more info, see Enable Stretch Database for a database. Optionally specifies a filter predicate to select rows to migrate from a table that contains both historical and current data. The predicate must call a deterministic inline table-valued function. For more info, see Enable Stretch Database for a table and Select rows to migrate by using a filter function.

If you provide a filter predicate that performs poorly, data migration also performs poorly. For more info, see Disable Stretch Database and bring back remote data. For more info, see Pause and resume data migration Stretch Database. The value ON indicates that the table is memory optimized. Memory-optimized tables are part of the In-Memory OLTP feature, which is used to optimized the performance of transaction processing. For more in-depth information about memory-optimized tables see Memory-Optimized Tables.

The table schema is persisted but any data updates are not persisted upon a restart or failover of the database. Indicates the number of buckets that should be created in the hash index. For more information about bucket counts, see Indexes for Memory-Optimized Tables. For details about adding and removing indexes on memory-optimized tables see: For information about the number of allowed tables, columns, constraints and indexes, see Maximum Capacity Specifications for SQL Server.

Space is generally allocated to tables and indexes in increments of one extent at a time. After it has enough pages to fill a uniform extent, another extent is allocated every time the currently allocated extents become full.

You can create local and global temporary tables. Local temporary tables are visible only in the current session, and global temporary tables are visible to all sessions. Temporary tables cannot be partitioned. If more than one temporary table is created inside a single stored procedure or batch, they must have different names.

If a local temporary table is created in a stored procedure or application that can be executed at the same time by several users, the Database Engine must be able to distinguish the tables created by the different users. The Database Engine does this by internally appending a numeric suffix to each local temporary table name. A local temporary table created in a stored procedure is dropped automatically when the stored procedure is finished.

The table can be referenced by any nested stored procedures executed by the stored procedure that created the table. The table cannot be referenced by the process that called the stored procedure that created the table.

Global temporary tables are automatically dropped when the session that created the table ends and all other tasks have stopped referencing them.

The association between a task and a table is maintained only for the life of a single Transact-SQL statement. This means that a global temporary table is dropped at the completion of the last Transact-SQL statement that was actively referencing the table when the creating session ended.

A local temporary table created within a stored procedure or trigger can have the same name as a temporary table that was created before the stored procedure or trigger is called. However, if a query references a temporary table and two temporary tables with the same name exist at that time, it is not defined which table the query is resolved against.

Nested stored procedures can also create temporary tables with the same name as a temporary table that was created by the stored procedure that called it. However, for modifications to resolve to the table that was created in the nested procedure, the table must have the same structure, with the same column names, as the table created in the calling procedure.

This is shown in the following example. If a temporary table is created with a named constraint and the temporary table is created within the scope of a user-defined transaction, only one user at a time can execute the statement that creates the temp table.

For example, if a stored procedure creates a temporary table with a named primary key constraint, the stored procedure cannot be executed simultaneously by multiple users. Azure SQL Database supports global temporary tables that are also stored in tempdb and scoped to the database level. User sessions from other databases cannot access global temporary tables.

Similarly, global temporary stored procedures are also scoped to the database level in Azure SQL Database. See the above section on Temporary Tables. For the troubleshooting the tempdb, see Troubleshooting Insufficient Disk space in tempdb. Any user can create global temporary objects. Users can only access their own objects, unless they receive additional permissions. Second, you must create a partition scheme to specify the filegroups that will hold the partitions indicated by the partition function.

For more information, see Partitioned Tables and Indexes. If a primary key is defined on a CLR user-defined type column, the implementation of the type must support binary ordering. The number of UNIQUE constraints cannot cause the number of indexes on the table to exceed nonclustered indexes and 1 clustered index.

If a unique constraint is defined on a CLR user-defined type column, the implementation of the type must support binary or operator-based ordering. Cross-database referential integrity must be implemented through triggers. This is referred to as a self-reference. This column must have the same data type as the column on which the constraint is defined. The data type of each reference column must also be the same as the corresponding column in the column list.

The effective limit for you may be more or less depending on the application and hardware. If a foreign key is defined on a CLR user-defined type column, the implementation of the type must support binary ordering.

Columns participating in a foreign key relationship must be defined with the same length and scale. The following table shows the niladic functions and the values they return for the default during an INSERT statement. DEFAULT definitions cannot be created for columns with alias data types if the alias data type is bound to a default object.

When a rule and one or more CHECK constraints exist for a column or columns, all restrictions are evaluated. CHECK constraints cannot be defined on text , ntext , or image columns. For more information, see Reorganize and Rebuild Indexes. Constraint names must follow the rules for identifiers , except that the name cannot start with a number sign.

The constraint name appears in any error message about constraint violations. The Database Engine chooses the appropriate lock and can escalate the lock from a row or page lock to a table lock. For a report on the views and stored procedures that depend on a table, use sys. The nullability of a column determines whether that column can allow a null value NULL as the data in that column. I added the word temporary so create temporary table mytable as select Or, perhaps you can change the "default engine of new tables".

I imagine this can be done in a session level variable. Better yet, use the Ask Question button on the upper-right. It doesn't require knowing about the column names and types, which was the questioner's reason for wanting to avoid using Create Table. In addition to psparrow's answer if you need to add an index to your temporary table do: RafaSashi 9, 5 55 See the following example: Really useful answer guys, thanks. This issue has been addressed in the following post: I found it strange.

I need a "virtual" table. Can I create it inside the procedure itself? Gik25 whether you use an actual temp table or use other approaches depends on your specific situation. Maybe post a new question with your specifics, you'll most likely get some good responses. This is generally a really bad practice in Oracle. Tables do not simply disappear willy-nilly. Why add extra slow code, force dynamic SQL everywhere, and lose all hope of configuration management?

Temporary tables are almost never useful anyway. They can usually be replaced by regular tables, inline views, or a collection.

In the last week, I have come to a better understanding of Oracles implementation of temp tables. The more I use Oracle, the more I like it. Create or replace procedure myprocedure is stmt varchar2 ; stmt2 varchar2 ; begin stmt: HaveNoDisplayName 6, 13 23

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