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Research on Bootstrap $, data dictionary structure information and open correlation

). What does objno 4 tabno 1 mean? Parsing in cursor #2 Len = 827 Dep = 1 uid = 0 Oct = 1 lid = 0 Tim = 18717834472 HV = 4071397944 ad = '33ebc484 'create table tab $ ("OBJ #" number not null, "dataobj #" number, "ts #" number not null, "file #" number not null, "block #" number not null, "bobj #" number, "tab #" number, "Cols" number not null, "clucols" number, "pctfree $" number not null, "pctused $" number not null, "initrans" number not null, "maxtrans" number not null, "Flags" number not nu

Oracle12c Learning Series-Rowlimits & InvisibleColumn

, /* unusable before edition */unusablebeginning# number, /* unusable beginning with edition */spare1 number, /* fractional seconds precision */spare2 number, /* interval leading field precision */spare3 number, /* maximum number of characters in string */spare4 varchar2(1000), /* NLS settings for this expression */spare5 varc

SQL Custom Sorting

Label: SELECTID, User_mobile, start_province_id, start_city_id, start_county_id, Start_station, end_province_id, end_city_id, end_county_id, End_station, Send_date, Start_time, End_time , Case whenTimestampdiff (MINUTE, Sysdate (), CONCAT (Send_date,' ', SUBSTR (End_time from 1 for 2), ':', SUBSTR (End_time from 3 for 4), ': xx' ) ) Lt0 Then '2' ELSEStatusEND asstatus, line_id, Create_time, Update_time, Del_flag, Spare1, Spare2, Spare

How to change the schema or user name in Oracle

# NUMBER DEFGRP_SEQ # NUMBER ASTATUSNOTNULLNUMBER LCOUNTNOTNULLNUMBER DEFSCHCLASS VARCHAR2 (30) EXT_USERNAME VARCHAR2 (4000) SPARE1 NUMBER SPARE2 NUMBER SPARE3 NUMBER SPARE4 VARCHAR2 (1000) SPARE5 VARCHAR2 (1000) SPARE6DATE SQL>SelectUser#,NameFromUser$WhereName='Scott';-- Find the user to change USER#NAME ---------------------------------------- 84 SCOTT SQL>SelectCount(*)FromScott. emp; COUNT(*) ---------- 14 SQL>Updat

ORA-28000 the account is locked error Simulation

cannot be found, the system prompts that the user does not exist.4. How Does oracle record user login times?The base table user $ in dba_users records the number of user logins. Let's look at the creation syntax of the user $ table.[Oracle @ ora10g db_1] $ cd rdbms/admin/[Oracle @ ora10g admin] $ ls-ltr SQL. bsq-Rw-r -- 1 oracle oinstall 445473 Apr 2 2010 SQL. bsqCreate table user $(User # number not null,Name varchar2 ("M_IDEN") not null,Type # number not null,Password varchar2 ("M_IDEN "),Dat

Case: Oracle dul Data Mining non-regular recovery drop deleted data table without backup

# "= ' A" and "NAME" = ' t_dul_drop ' and ' NAMESPACE ' = ' 1 ' and "SubName" is NULL and "type#" = ' 2 ' and "CTIME" = to_date (' 04-feb-13 ', ' dd-mon-rr ') and "MTIME" = to_date (' 04-feb-13 ', ' DD-MON-RR ') and "stime" = to_date (' 04-feb-13 ', ' dd-mon-rr ') and "STATUS" = ' 1 ' and ' Remoteowner ' is NULL and "Linkname" I S null and "FLAGS" = ' 0 ' and "oid$" is null and "SPARE1" = ' 6 ' and "SPARE2" = ' 1 ' and "SPARE3" = ' A "and" SPARE4 "is null and "

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