в 13:45, 26 мая 2010

2010-05-26T13:45:46Z

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2010-05-26T10:07:54Z

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== Query cat for table name and type==



<source lang="sql">
SQL>
SQL> create table emp
2 ( empno NUMBER(4) constraint E_PK primary key
3 , ename VARCHAR2(8)
4 , init VARCHAR2(5)
5 , job VARCHAR2(8)
6 , mgr NUMBER(4)
7 , bdate DATE
8 , sal NUMBER(6,2)
9 , comm NUMBER(6,2)
10 , deptno NUMBER(2) default 10
11 ) ;
Table created.
SQL> create synonym e for emp;
Synonym created.
SQL>
SQL> describe e
Name Null? Type
----------------------------------------- -------- ----------------------------
EMPNO NOT NULL NUMBER(4)
ENAME VARCHAR2(8)
INIT VARCHAR2(5)
JOB VARCHAR2(8)
MGR NUMBER(4)
BDATE DATE
SAL NUMBER(6,2)
COMM NUMBER(6,2)
DEPTNO NUMBER(2)
SQL>
SQL> select * from e;
no rows selected
SQL>
SQL> select * from cat;
TABLE_NAME TABLE_TYPE
--------------- -----------
MYSTATS TABLE
S SEQUENCE
WORKING_CUSTOME TABLE
RS

EMP_HQ VIEW
CUST_WITH_VARRA TABLE
Y_TEMP_TABLE

P1 TABLE
V VIEW
IT TABLE
TABLE_NAME TABLE_TYPE
--------------- -----------
CUST_NO_KEY_TAB TABLE
LE

AVG_SAL VIEW
DEMO TABLE
EMPDEPT_V VIEW
CUSTLOG TABLE
IX TABLE
EMP_DELTAS TABLE
PARMS TABLE

TABLE_NAME TABLE_TYPE
--------------- -----------
PASSWORD_AUDIT TABLE
WO_SEQ SEQUENCE
DEPT_SAL VIEW
DEPT$AUDIT TABLE
ALL_ORACLE_ERRO VIEW
RS

INVENTORY_TBL TABLE
INVENTORY_VIE VIEW
TMP TABLE
SEQ SEQUENCE
TABLE_NAME TABLE_TYPE
--------------- -----------
FRIENDIDSEQ SEQUENCE
TOP_EMP VIEW
EMP_BONUS VIEW
SHARED VIEW
SYSTEM_STATS TABLE
EMP TABLE
EMPLOYEETEMPTAB TABLE
LE

TEMP_TABLE TABLE

TABLE_NAME TABLE_TYPE
--------------- -----------
PHONE_LIST VIEW
EMPTEMPTABLE TABLE
P TABLE
WORKING_EMPLOYE TABLE
ES

E SYNONYM
WORKING_EMPS TABLE
MYTABLE1 TABLE

40 rows selected.
SQL>
SQL> select synonym_name, table_owner, table_name
2 from user_synonyms;
SYNONYM_NAME TABLE_OWNER TABLE_NAME
------------------------------ ------------------------------ ---------------
E sqle EMP

SQL>
SQL> drop synonym e;
Synonym dropped.
SQL>
SQL> drop table emp;
Table dropped.</source>

== select * from cat==



<source lang="sql">
SQL>
SQL>
SQL> create table employees(
2 empno NUMBER(4)
3 , ename VARCHAR2(8)
4 , init VARCHAR2(5)
5 , job VARCHAR2(8)
6 , mgr NUMBER(4)
7 , bdate DATE
8 , msal NUMBER(6,2)
9 , comm NUMBER(6,2)
10 , deptno NUMBER(2) ) ;
Table created.
SQL>
SQL>
SQL> insert into employees values(1,"Jason", "N", "TRAINER", 2, date "1965-12-18", 800 , NULL, 10);
1 row created.
SQL> insert into employees values(2,"Jerry", "J", "SALESREP",3, date "1966-11-19", 1600, 300, 10);
1 row created.
SQL> insert into employees values(3,"Jord", "T" , "SALESREP",4, date "1967-10-21", 1700, 500, 20);
1 row created.
SQL> insert into employees values(4,"Mary", "J", "MANAGER", 5, date "1968-09-22", 1800, NULL, 20);
1 row created.
SQL> insert into employees values(5,"Joe", "P", "SALESREP",6, date "1969-08-23", 1900, 1400, 30);
1 row created.
SQL> insert into employees values(6,"Black", "R", "MANAGER", 7, date "1970-07-24", 2000, NULL, 30);
1 row created.
SQL> insert into employees values(7,"Red", "A", "MANAGER", 8, date "1971-06-25", 2100, NULL, 40);
1 row created.
SQL> insert into employees values(8,"White", "S", "TRAINER", 9, date "1972-05-26", 2200, NULL, 40);
1 row created.
SQL> insert into employees values(9,"Yellow", "C", "DIRECTOR",10, date "1973-04-27", 2300, NULL, 20);
1 row created.
SQL> insert into employees values(10,"Pink", "J", "SALESREP",null,date "1974-03-28", 2400, 0, 30);
1 row created.
SQL>
SQL>
SQL>
SQL> create synonym e for employees;
Synonym created.
SQL>
SQL>
SQL> select * from cat;
TABLE_NAME TABLE_TYPE
------------------------------ -----------
BIN$50P9fUVyS3CVhoJ8p86aww==$0 TABLE
BIN$A2IWocWXS/mUCrAdQt9RoQ==$0 TABLE
BIN$9NVb8X4RQD++Dre0uN5ukA==$0 TABLE
BIN$cVJWgW8YSn6s3cAxBuliGQ==$0 TABLE
BIN$qf21D14XRemOOpMbQAFcmA==$0 TABLE
HAZARD_LEVEL_T TABLE
PUBLICATION TABLE
SALES_BY_ATLAS_V VIEW
DEPT20_V VIEW
SALES_PER_PERSON_V VIEW
AVG_EVALUATIONS VIEW
CRS_OFFERINGS VIEW
COURSE_DAYS VIEW
DDL_AUDIT TABLE
SITE_TAB TABLE
HRC_ORG_SITE VIEW
HOME_ADDRESS_LIST TABLE
AUTHOR_PUBLICATION VIEW
I1 TABLE
T1_TIMES TABLE
I2 TABLE
MAP TABLE
AVAIL_TRACE_FILES TABLE
USER_AVAIL_TRACE_FILES VIEW
PARTS TABLE
LOG_TABLE TABLE
DUMMY TABLE
WORKING_CUSTOMERS TABLE
OUTRAIN TABLE
INTEREST TABLE
TEST_BFILE TABLE
APPLICATION_USERS VIEW
EMP_V VIEW
P TABLE
DEPT_OR VIEW
EMP_VIEW VIEW
EMPLOYEES TABLE
E SYNONYM
38 rows selected.
SQL>
SQL> drop synonym e;
Synonym dropped.
SQL> drop table employees;
Table dropped.
SQL></source>

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Oracle PL/SQL Tutorial/System Tables Data Dictionary/cat - История изменений

в 13:45, 26 мая 2010

Admin: 1 версия