170 lines
4.3 KiB
Plaintext
170 lines
4.3 KiB
Plaintext
=[http://www.firebirdsql.org/ Firebird]=
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[http://www.ibphoenix.com/main.nfs?a=ibphoenix&s=1155387578:153600&page=ibp_60_sqlref Referenz-Dokumentation]
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==Meta-Daten abfragen==
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===Liste der Prozeduren===
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*SELECT * FROM RDB$PROCEDURES;
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===Liste der Spalten in einer Tabelle===
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*SELECT RDB$FIELD_NAME FROM RDB$RELATION_FIELDS WHERE RDB$RELATION_NAME='<table_name>';
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===Liste der Tabellen===
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*SELECT RDB$RELATION_NAME FROM RDB$RELATIONS;
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===Liste der User===
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*SELECT DISTINCT RDB$USER FROM RDB$USER_PRIVILEGES;
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===Liste der Userrechte===
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*SELECT * FROM RDB$USER_PRIVILEGES;
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=[http://www.mimer.com/ Mimer SQL]=
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Referenz-Dokumentation: [http://developer.mimer.com/documentation/html_92/Mimer_SQL_Engine_DocSet/Mimer_SQL_Engine.htm Mimer SQL 9.2]
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=[http://www.microsoft.com/sql/default.mspx MSSQL]=
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Referenz-Dokumentation: [http://msdn.microsoft.com/library/en-us/tsqlref/ts_tsqlcon_6lyk.asp SQL Server 2000]
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[http://msdn2.microsoft.com/en-us/library/ms189826.aspx SQL Server 2005]
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MS SQL unterstützt auch das Information_schema Schema.
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=[http://www.mysql.com/products/database/ MySQL]=
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Referenz-Dokumentation:
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[http://dev.mysql.com/doc/refman/4.1/en/sql-syntax.html MySQL 3.23, 4.0, 4.1]
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[http://dev.mysql.com/doc/refman/5.0/en/sql-syntax.html MySQL 5.0]
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[http://dev.mysql.com/doc/refman/5.1/en/sql-syntax.html MySQL 5.1]
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==Funktionen==
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{| border="1" cellspacing="0" cellpadding="3" style="border-collapse: collapse;"
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|---- bgcolor="lightblue"
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!Beschreibung
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!Beispiel
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!Ergebnis
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|-
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| ASCII-Code -> Text
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| SELECT char(42);
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| '*'
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|-
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| Strings verketten
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| SELECT concat('chunky','bacon');
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| 'chunkybacon'
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|-
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| Text ersetzen
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| SELECT replace('funky bacon', 'funky', 'chunky');
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| 'chunky bacon'
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|}
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==Meta-Daten abfragen==
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===Liste der Datenbanken===
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*SHOW DATABASES;
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===Liste der Prozeduren===
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*SELECT * FROM information_schema.routines; (ab MySQL 5)
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===Liste der Spalten in einer Tabelle===
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*SHOW COLUMNS FROM <table_name>;
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*SELECT * FROM information_schema columns; (ab MySQL 5)
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===Liste der Tabellen===
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*SHOW TABLES;
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*SELECT * FROM information_schema.tables; (ab MySQL 5)
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===Liste der User===
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*SELECT * FROM mysql.user;
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===Liste der Userrechte===
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*SHOW GRANTS;
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*SELECT * FROM information_schema.user_privileges; (ab MySQL 5)
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=[http://www.oracle.com/database/index.html Oracle]=
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Referenz-Dokumentation:
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[http://download-uk.oracle.com/docs/cd/B19306_01/server.102/b14200/toc.htm Oracle 10.2]
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=[http://www.postgresql.org PostgreSQL]=
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Referenz-Dokumentation:
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[http://www.postgresql.org/docs/7.4/static/sql-commands.html PostgreSQL 7.4]
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[http://www.postgresql.org/docs/8.0/static/sql-commands.html PostgreSQL 8.0]
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[http://www.postgresql.org/docs/8.1/static/sql-commands.html PostgreSQL 8.1]
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==Administration==
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===Ändern eines User-Passwortes===
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ALTER USER <user-name> PASSWORD '<new-password>';
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==Funktionen==
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{| border="1" cellspacing="0" cellpadding="3" style="border-collapse: collapse;"
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|---- bgcolor="lightblue"
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!Beschreibung
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!Beispiel
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!Ergebnis
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|-
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| ASCII-Code -> Text
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| SELECT chr(42);
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| '*'
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|-
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| Strings verketten
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| SELECT 'chunky' || 'bacon';
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| 'chunkybacon'
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|-
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| Text ersetzen
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| SELECT replace('funky bacon', 'funky', 'chunky');
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| 'chunky bacon'
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|}
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==Meta-Daten abfragen==
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===Liste der Datenbanken===
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*SELECT * FROM pg_database;
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===Liste der Prozeduren===
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*SELECT * FROM pg_proc;
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*SELECT * FROM information_schema.routines; (ab PostgreSQL 7.4)
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===Liste der Spalten in einer Tabelle===
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*SELECT * FROM information_schema.columns; (ab PostgreSQL 7.4)
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===Liste der Tabellen===
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*SELECT * FROM pg_tables;
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*SELECT * FROM information_schema.tables; (ab PostgreSQL 7.4)
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===Liste der User===
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*SELECT * FROM pg_user;
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*SELECT * FROM information_schema.enabled_roles; (ab PostgreSQL 7.4)
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===Liste der Userrechte===
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*SELECT * FROM information_schema.table_privileges; (ab PostgreSQL 7.4)
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===Version der Datenbank===
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*SELECT version();
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=[http://www.sqlite.org/ SQLite]=
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[http://www.sqlite.org/lang.html Referenz-Dokumentation]
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==Funktionen==
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===Strings verknüpfen===
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SELECT 'string1' || 'string2';
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==Meta-Daten abfragen==
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*SELECT * FROM SQLite_Master;
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===Liste der Datenbanken===
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*PRAGMA database_list;
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===Felder einer Tabelle===
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*PRAGMA table_info(<table_name>);
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=[http://www.sybase.com/products/informationmanagement Sybase]=
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[http://infocenter.sybase.com/help/index.jsp Referenz-Dokumentation]
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