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  • pdf文档 Firebird 2.5 Language Reference

    . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 339 8.3.14. RIGHT(). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . it became clear that the open source, non-commercial Firebird community would never be granted right of use. The two important books from the InterBase 6 published set were the Data Definition Guide they are evaluated in an expression. Operators with the same precedence are evaluated from left to right. To force a different evaluation Chapter 4. Common Language Elements 54 order, operations can be
    0 码力 | 521 页 | 2.30 MB | 1 年前
    3
  • pdf文档 firebird 40 language reference

    . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 450 8.3.20. RIGHT(). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . escape the quote. The keyword q or Q preceding a quoted string informs the parser that certain left-right pairs or pairs of identical characters within the string are the delimiters of the embedded string they are evaluated in an expression. Operators with the same precedence are evaluated from left to right. To force a different evaluation order, operations can be grouped by means of parentheses. Table
    0 码力 | 778 页 | 3.43 MB | 1 年前
    3
  • pdf文档 Firebird 2.5 LangRef Update Russian

    по языку SQL POSITION() POWER() RAND() RDB$GET_CONTEXT() RDB$SET_CONTEXT() REPLACE() REVERSE() RIGHT() ROUND() RPAD() SIGN() SIN() SINH() SQRT() SUBSTRING() TAN() TANH() TRIM() TRUNC() UPPER() UUID_TO_CHAR() floor getExactTimestamp i64round i64truncate ln log log10 lower lpad ltrim mod *nullif *nvl pi rand right round, i64round rpad rtrim sdow sign sin sinh sqrt srand sright string2blob strlen substr substrlen ::= {table | view | cte | (select_stmt)} [[AS] alias] ::= INNER | {LEFT | RIGHT | FULL} [OUTER] Пример: SELECT * FROM BOOKS JOIN SHELVES USING (SHELF, BOOKCASE) Это эквивалентно
    0 码力 | 364 页 | 1.45 MB | 1 年前
    3
  • pdf文档 firebird language reference 30 rus

    ............................................................................................ 434 RIGHT ................................................................................................. NATURAL [] JOIN | {CROSS JOIN | ,} ::= INNER | {LEFT | RIGHT | FULL} [OUTER] ::= ON condition | USING (column-list) Таблица те записи из правого набора, которые удовлетворяют условию соединения. Внешнее правое соединение (RIGHT OUTER) включает все записи из правого набора данных и те записи из левого набора данных, которые удовлетворяют
    0 码力 | 719 页 | 3.98 MB | 1 年前
    3
  • pdf文档 Firebird Null Guide: NULL behaviour and pitfalls in Firebird SQL

    comparisons return false) false If you think these results look a lot like what we saw with IN(), you’re right: with the ‘=’ operator, ANY is the same as IN. In the same way, “<> ALL” is equivalent to NOT IN Under the “right” circumstances, this can lead to wrong results with expressions of the type “NOT A = ANY( … )”. On the bright side, “<> ALL” is not affected and will always return the right result. Now, it’s tempting to think that this will return “all the other records” from the Farms table, right? But it won’t — not if the Cows column contains any NULLs. Remember that not(NULL) is itself NULL
    0 码力 | 69 页 | 479.63 KB | 1 年前
    3
  • pdf文档 firebird 5 quickstartguide

    you didn’t opt to start the server at the end of the installation process, you may do so now by right-clicking on the Firebird entry (or the Guardian) and choosing Start. Server check: Windows, running Sometimes a reboot is necessary. You can shut the server down via the menu that appears if you right-click on the tray icon. Notice that this also makes the icon disappear; you can restart Firebird it somewhere else, create a system-wide permanent FIREBIRD environment variable pointing to the right directory, so that the API routines can locate the messages. 4. Optionally copy the Firebird command-line
    0 码力 | 49 页 | 396.21 KB | 1 年前
    3
  • pdf文档 Firebird 2 QuickStart

    the System32 directory is reserved for 64-bit libraries. 32-bit libraries go into SysWOW64. That's right: 64-bit libraries are in System32, 32-bit libraries in SysWOW64. If you're not aware of this, you Superserver with or without Guardian. You can shut the server down via the menu that appears if you right-click on the tray icon. Notice that this also makes the icon disappear; you can restart Firebird via place it somewhere else, create a system-wide permanent FIREBIRD environment variable pointing to the right directory, so that the API routines can locate the messages. 4. Optionally copy some of the Firebird
    0 码力 | 40 页 | 218.42 KB | 1 年前
    3
  • pdf文档 firebird 30 sprachreferenz

    . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 430 8.3.14. RIGHT(). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . NATURAL [] JOIN | {CROSS JOIN | ,} ::= INNER | {LEFT | RIGHT | FULL} [OUTER] ::= ON | USING () Tabelle 71. Argumente Datensätze aus dem linken Satz, aber nur übereinstimmende Datensätze aus dem rechten Satz. Bei einem RIGHT Outer Join ist es umgekehrt. FULL Outer Joins beinhalten alle Datensätze aus beiden Sets. In allen
    0 码力 | 701 页 | 3.12 MB | 1 年前
    3
  • pdf文档 firebird isql

    in the Control Panel → System → Advanced → Environment Variables, or through Windows Explorer → right-click on This PC → Properties → Advanced System Settings → Environment Variables. Any changes made a different format where each column heading is displayed on the left and the column data on the right. This repeats for each and every row returned by the query. As with other commands, not providing ND Converted from a chapter in the Command Line Utilities manual to stand alone manual in its own right. Changed title to Firebird Interactive SQL Utility to bring it in line with the other utility manuals
    0 码力 | 76 页 | 369.92 KB | 1 年前
    3
  • pdf文档 Firebird Docwriting Guide German

    align="left" colname="col–dbname" colwidth="2*"/> two columns Yes, here I am And there I go!
    0 码力 | 49 页 | 228.41 KB | 1 年前
    3
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