free barcode generator source code in vb.net The System Catalog in Software

Generation Code 128 Code Set B in Software The System Catalog

The System Catalog
Code 128 Code Set B Decoder In None
Using Barcode Control SDK for Software Control to generate, create, read, scan barcode image in Software applications.
Encoding USS Code 128 In None
Using Barcode drawer for Software Control to generate, create Code-128 image in Software applications.
I Columns. The catalog describes each column in the database, giving the column s name, the table to which it belongs, its data type, its size, whether NULLs are allowed, and so on. I Users. The catalog describes each authorized database user, including the user s name, an encrypted form of the user s password, and other data. I Views. The catalog describes each view defined in the database, including its name, the name of its owner, the query that defines the view, and so on. I Privileges. The catalog describes each set of privileges granted in the database, including the names of the grantor and grantee, the privileges granted, the object on which the privileges have been granted, and so on. Table 16-1 shows the names of the system tables that provide this information in each of the major SQL-based DBMS products. The remainder of this chapter describes some typical system tables in more detail and gives examples of system catalog access. Because of the wide variations in system catalogs among DBMS brands, a complete description of the system catalogs and complete examples for all of the major DBMS brands is beyond the scope of this book. With the information provided here, you should be able to consult the system documentation for your DBMS brand and construct the appropriate system catalog queries.
Decode ANSI/AIM Code 128 In None
Using Barcode scanner for Software Control to read, scan read, scan image in Software applications.
Code128 Generation In Visual C#.NET
Using Barcode creator for .NET framework Control to generate, create Code 128 image in Visual Studio .NET applications.
DBMS
Code 128A Printer In VS .NET
Using Barcode maker for ASP.NET Control to generate, create Code 128 image in ASP.NET applications.
Print Code 128 Code Set B In Visual Studio .NET
Using Barcode generation for .NET Control to generate, create Code 128 Code Set B image in VS .NET applications.
DB21
Draw Code 128A In Visual Basic .NET
Using Barcode generation for .NET framework Control to generate, create Code 128A image in VS .NET applications.
Bar Code Generation In None
Using Barcode creation for Software Control to generate, create barcode image in Software applications.
Tables
UPC-A Supplement 2 Creation In None
Using Barcode printer for Software Control to generate, create GTIN - 12 image in Software applications.
EAN / UCC - 13 Creator In None
Using Barcode drawer for Software Control to generate, create EAN / UCC - 13 image in Software applications.
SCHEMATA TABLES REFERENCES KEYCOLUSE USER_ CATALOG USER_TABLES ALL_TABLES USER_ SYNONYMS SYSTABLES SYSREFER ENCES SYSSYNONYMS
Generating Code 39 Full ASCII In None
Using Barcode encoder for Software Control to generate, create Code 3/9 image in Software applications.
Code 128A Drawer In None
Using Barcode creation for Software Control to generate, create Code 128 Code Set A image in Software applications.
Columns
Making Postnet In None
Using Barcode creation for Software Control to generate, create Delivery Point Barcode (DPBC) image in Software applications.
Encoding EAN128 In Java
Using Barcode generator for Java Control to generate, create UCC-128 image in Java applications.
COLUMNS
Barcode Generator In Objective-C
Using Barcode generation for iPhone Control to generate, create bar code image in iPhone applications.
European Article Number 13 Maker In VB.NET
Using Barcode creator for Visual Studio .NET Control to generate, create EAN / UCC - 13 image in .NET framework applications.
Users
GS1-128 Creation In None
Using Barcode encoder for Online Control to generate, create UCC-128 image in Online applications.
Paint UPC A In Java
Using Barcode creator for Android Control to generate, create GTIN - 12 image in Android applications.
DBAUTH
USS Code 39 Creation In VB.NET
Using Barcode printer for .NET framework Control to generate, create Code 39 Extended image in .NET applications.
Code 3 Of 9 Creation In C#.NET
Using Barcode encoder for VS .NET Control to generate, create Code-39 image in .NET framework applications.
Views
VIEWS VIEWDEP
Privileges
SCHEMAAUTH TABAUTH COLAUTH USER_TAB_ PRIVS USER_COL_ PRIVS USER_SYS_ PRIVS SYSTABAUTH SYSCOLAUTH
DATABASE STRUCTURE
Oracle
USER_TAB_ COLUMNS ALL_TAB_ COLUMNS
ALL_USERS
USER_VIEWS ALL_VIEWS
Informix
SYSCOLUMNS SYSUSERS
SYSVIEWS SYSDEPEND
Table 16-1.
Selected System Tables in Popular SQL-Based Products
SQL: The Complete Reference
DBMS
Sybase
Tables
SYSDATABASES SYSOBJECTS SYSKEYS
Columns
Users
Views
SYSOBJECTS SYSCOMMENTS
Privileges
SYSCOLUMNS SYSUSERS
SQL Server
SYSDATASYSCOLUMNS SYSUSERS SYSOBJECTS SYSPROTECTS BASES SYSLOGINS SYSDEPENDS SYSOBJECTS SYSMEMBERS SYSCOMMENTS SYSFOREIGNKEYS SYSREFERENCES
DB2 tables have the qualifier SYSCAT (e.g., SYSCAT.TABLES).
Table 16-1.
Selected System Tables in Popular SQL-Based Products (continued)
Table Information
Each of the major SQL products has a system table or view that keeps track of the tables in the database. In DB2, for example, this information is provided by a system catalog view named SYSCAT.TABLES. (All of the DB2 system catalog views are part of a schema named SYSCAT, so they all have qualified table/view names of the form SYSCAT.xxx.) Table 16-2 shows some of the columns of the SYSCAT.TABLES view. It contains one row for each table, view, or alias defined in the database. The information in this view is typical of that provided by the corresponding views in other major DBMS products.
Column Name
TABSCHEMA TABNAME DEFINER TYPE Table 16-2.
Data Type
CHAR(8) VARCHAR(18) CHAR(8) CHAR(1)
Information
Schema containing the table, view, or alias Name of the table, view, or alias User-id of table/view/alias creator T = table, V = view, A = alias
The SYSCAT.TABLES View (DB2)
16:
The System Catalog
Column Name
STATUS BASE_TABNAME CREATE_TIME STATS_TIME COLCOUNT TABLEID TBSPACEID CARD NPAGES FPAGES OVERFLOW TBSPACE INDEX_TBSPACE LONG_TBSPACE PARENTS CHILDREN SELFREFS KEYCOLUMNS KEYINDEXID KEYUNIQUE CHECKCOUNT DATACAPTURE CONST_CHECKED PMAP_ID
Data Type
CHAR(1) VARCHAR(18) TIMESTAMP TIMESTAMP SMALLINT SMALLINT SMALLINT INTEGER INTEGER INTEGER INTEGER VARCHAR(18) VARCHAR(18) VARCHAR(18) SMALLINT SMALLINT SMALLINT SMALLINT SMALLINT SMALLINT SMALLINT CHAR(1) CHAR(32) SMALLINT
Information
Status of object (system use) Schema of base table for an alias Name of base table for an alias Time of object creation Time when last statistics computed Number of columns in table Internal table-id number ID of primary tablespace for this table Number of rows in table (cardinality) Number of disk pages containing table data Total number of disk pages for table Number of overflow records for table Primary tablespace for storing table data Tablespace for storing table indexes Tablespace for storing large object data Number of parent tables for this table Number of child tables for this table Number of self-references for this table Number of columns in table s primary key Internal ID for primary key index Number of unique constraints for table Number of check constraints for table Table is replicated (Yes/No) Constraint-checking flags Internal ID for table s partitioning map Mode for partitioned database tables
Copyright © OnBarcode.com . All rights reserved.